make util/env_posix.cc work under mac
Summary: This diff invoves some more complicated issues in the posix environment. Test Plan: works under mac os. will need to verify dev box. Reviewers: dhruba Reviewed By: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D14061
This commit is contained in:
kailiu
parent
7604e2f70c
commit
97d8e573a6
6
Makefile
6
Makefile
@ -369,7 +369,11 @@ endif
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# the correct path prefix.
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%.d: %.cc
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$(CXX) $(CXXFLAGS) $(PLATFORM_SHARED_CFLAGS) -MM $< -o $@
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@sed -i -e 's|.*:|$*.o:|' $@
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ifeq ($(PLATFORM), OS_MACOSX)
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@sed -i '' -e 's,.*:,$*.o:,' $@
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else
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@sed -i -e 's,.*:,$*.o:,' $@
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endif
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DEPFILES = $(filter-out util/build_version.d,$(SOURCES:.cc=.d))
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@ -21,6 +21,15 @@
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# -DLEVELDB_PLATFORM_NOATOMIC if it is not
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# -DSNAPPY if the Snappy library is present
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#
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# Using gflags in rocksdb:
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# Our project depends on gflags, which requires users to take some extra steps
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# before they can compile the whole repository:
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# 1. Install gflags. You may download it from here:
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# https://code.google.com/p/gflags/
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# 2. Once install, add the include path/lib path for gflags to CPATH and
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# LIBRARY_PATH respectively. If installed with default mode, the
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# lib and include path will be /usr/local/lib and /usr/local/include
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# Mac user can do this by running build_tools/mac-install-gflags.sh
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OUTPUT=$1
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if test -z "$OUTPUT"; then
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@ -64,6 +73,10 @@ PLATFORM_SHARED_LDFLAGS="${EXEC_LDFLAGS_SHARED} -shared -Wl,-soname -Wl,"
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PLATFORM_SHARED_CFLAGS="-fPIC"
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PLATFORM_SHARED_VERSIONED=true
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if test -z "$GFLAGS_LIBS"; then
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lgflags"
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fi
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# generic port files (working on all platform by #ifdef) go directly in /port
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GENERIC_PORT_FILES=`find $ROCKSDB_ROOT/port -name '*.cc' | tr "\n" " "`
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25
build_tools/mac-install-gflags.sh
Executable file
25
build_tools/mac-install-gflags.sh
Executable file
@ -0,0 +1,25 @@
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#!/bin/sh
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# Install gflags for mac developers.
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set -e
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DIR=`mktemp -d /tmp/rocksdb_gflags_XXXX`
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cd $DIR
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wget https://gflags.googlecode.com/files/gflags-2.0.tar.gz
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tar xvfz gflags-2.0.tar.gz
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cd gflags-2.0
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./configure
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make
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make install
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# Add include/lib path for g++
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echo 'export LIBRARY_PATH+=":/usr/local/lib"' >> ~/.bash_profile
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echo 'export CPATH+=":/usr/local/include"' >> ~/.bash_profile
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echo ""
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echo "-----------------------------------------------------------------------------"
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echo "| Installation Completed |"
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echo "-----------------------------------------------------------------------------"
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echo "Please run `. ~/bash_profile` to be able to compile with gflags"
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@ -143,8 +143,6 @@ static bool ValidateKeySize(const char* flagname, int32_t value) {
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return true;
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}
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DEFINE_int32(key_size, 16, "size of each key");
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static const bool FLAGS_key_size_dummy =
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google::RegisterFlagValidator(&FLAGS_key_size, &ValidateKeySize);
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DEFINE_double(compression_ratio, 0.5, "Arrange to generate values that shrink"
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" to this fraction of their original size after compression");
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@ -225,9 +223,6 @@ static bool ValidateCacheNumshardbits(const char* flagname, int32_t value) {
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DEFINE_int32(cache_numshardbits, -1, "Number of shards for the block cache"
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" is 2 ** cache_numshardbits. Negative means use default settings."
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" This is applied only if FLAGS_cache_size is non-negative.");
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static const bool FLAGS_cache_numshardbits_dummy =
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google::RegisterFlagValidator(&FLAGS_cache_numshardbits,
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&ValidateCacheNumshardbits);
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DEFINE_int32(cache_remove_scan_count_limit, 32, "");
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@ -295,16 +290,12 @@ DEFINE_int32(readwritepercent, 90, "Ratio of reads to reads/writes (expressed"
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" as percentage) for the ReadRandomWriteRandom workload. The "
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"default value 90 means 90% operations out of all reads and writes"
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" operations are reads. In other words, 9 gets for every 1 put.");
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static const bool FLAGS_readwritepercent_dummy =
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google::RegisterFlagValidator(&FLAGS_readwritepercent, &ValidateInt32Percent);
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DEFINE_int32(deletepercent, 2, "Percentage of deletes out of reads/writes/"
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"deletes (used in RandomWithVerify only). RandomWithVerify "
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"calculates writepercent as (100 - FLAGS_readwritepercent - "
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"deletepercent), so deletepercent must be smaller than (100 - "
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"FLAGS_readwritepercent)");
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static const bool FLAGS_deletepercent_dummy =
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google::RegisterFlagValidator(&FLAGS_deletepercent, &ValidateInt32Percent);
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DEFINE_int32(disable_seek_compaction, false, "Option to disable compaction"
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" triggered by read.");
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@ -348,9 +339,6 @@ static bool ValidateTableCacheNumshardbits(const char* flagname,
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return true;
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}
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DEFINE_int32(table_cache_numshardbits, 4, "");
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static const bool FLAGS_table_cache_numshardbits_dummy =
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google::RegisterFlagValidator(&FLAGS_table_cache_numshardbits,
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&ValidateTableCacheNumshardbits);
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DEFINE_string(hdfs, "", "Name of hdfs environment");
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// posix or hdfs environment
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@ -372,14 +360,10 @@ static bool ValidateRateLimit(const char* flagname, double value) {
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return true;
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}
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DEFINE_double(soft_rate_limit, 0.0, "");
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static const bool FLAGS_soft_rate_limit_dummy =
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google::RegisterFlagValidator(&FLAGS_soft_rate_limit, &ValidateRateLimit);
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DEFINE_double(hard_rate_limit, 0.0, "When not equal to 0 this make threads "
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"sleep at each stats reporting interval until the compaction"
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" score for all levels is less than or equal to this value.");
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static const bool FLAGS_hard_rate_limit_dummy =
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google::RegisterFlagValidator(&FLAGS_hard_rate_limit, &ValidateRateLimit);
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DEFINE_int32(rate_limit_delay_max_milliseconds, 1000,
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"When hard_rate_limit is set then this is the max time a put will"
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@ -448,8 +432,6 @@ static bool ValidatePrefixSize(const char* flagname, int32_t value) {
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return true;
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}
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DEFINE_int32(prefix_size, 0, "Control the prefix size for PrefixHashRep");
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static const bool FLAGS_prefix_size_dummy =
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google::RegisterFlagValidator(&FLAGS_prefix_size, &ValidatePrefixSize);
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enum RepFactory {
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kSkipList,
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@ -480,6 +462,35 @@ DEFINE_string(merge_operator, "", "The merge operator to use with the database."
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" database The possible merge operators are defined in"
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" utilities/merge_operators.h");
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static const bool FLAGS_soft_rate_limit_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_soft_rate_limit,
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&ValidateRateLimit);
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static const bool FLAGS_hard_rate_limit_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_hard_rate_limit, &ValidateRateLimit);
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static const bool FLAGS_prefix_size_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_prefix_size, &ValidatePrefixSize);
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static const bool FLAGS_key_size_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_key_size, &ValidateKeySize);
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static const bool FLAGS_cache_numshardbits_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_cache_numshardbits,
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&ValidateCacheNumshardbits);
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static const bool FLAGS_readwritepercent_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_readwritepercent,
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&ValidateInt32Percent);
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static const bool FLAGS_deletepercent_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_deletepercent,
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&ValidateInt32Percent);
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static const bool
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FLAGS_table_cache_numshardbits_dummy __attribute__((unused)) =
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google::RegisterFlagValidator(&FLAGS_table_cache_numshardbits,
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&ValidateTableCacheNumshardbits);
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namespace rocksdb {
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// Helper for quickly generating random data.
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@ -514,18 +525,6 @@ class RandomGenerator {
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}
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};
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static Slice TrimSpace(Slice s) {
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unsigned int start = 0;
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while (start < s.size() && isspace(s[start])) {
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start++;
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}
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unsigned int limit = s.size();
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while (limit > start && isspace(s[limit-1])) {
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limit--;
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}
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return Slice(s.data() + start, limit - start);
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}
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static void AppendWithSpace(std::string* str, Slice msg) {
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if (msg.empty()) return;
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if (!str->empty()) {
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@ -867,6 +866,21 @@ class Benchmark {
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}
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}
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// Current the following isn't equivalent to OS_LINUX.
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#if defined(__linux)
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static Slice TrimSpace(Slice s) {
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unsigned int start = 0;
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while (start < s.size() && isspace(s[start])) {
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start++;
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}
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unsigned int limit = s.size();
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while (limit > start && isspace(s[limit-1])) {
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limit--;
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}
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return Slice(s.data() + start, limit - start);
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}
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#endif
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void PrintEnvironment() {
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fprintf(stderr, "LevelDB: version %d.%d\n",
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kMajorVersion, kMinorVersion);
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@ -2403,7 +2417,6 @@ class Benchmark {
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} // namespace rocksdb
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int main(int argc, char** argv) {
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rocksdb::InstallStackTraceHandler();
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google::SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
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@ -54,12 +54,6 @@ static std::string RandomString(Random* rnd, int len) {
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return r;
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}
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static std::string CompressibleString(Random* rnd, int len) {
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std::string r;
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test::CompressibleString(rnd, 0.8, len, &r);
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return r;
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}
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namespace anon {
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class AtomicCounter {
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private:
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@ -680,6 +674,12 @@ class DBTest {
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}
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};
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static std::string Key(int i) {
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char buf[100];
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snprintf(buf, sizeof(buf), "key%06d", i);
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return std::string(buf);
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}
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TEST(DBTest, Empty) {
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do {
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ASSERT_TRUE(db_ != nullptr);
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@ -755,12 +755,6 @@ TEST(DBTest, IndexAndFilterBlocksOfNewTableAddedToCache) {
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options.statistics.get()->getTickerCount(BLOCK_CACHE_FILTER_HIT));
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}
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static std::string Key(int i) {
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char buf[100];
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snprintf(buf, sizeof(buf), "key%06d", i);
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return std::string(buf);
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}
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TEST(DBTest, LevelLimitReopen) {
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Options options = CurrentOptions();
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Reopen(&options);
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@ -1820,6 +1814,9 @@ TEST(DBTest, CompactionsGenerateMultipleFiles) {
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}
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}
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// TODO(kailiu) disable the in non-linux platforms to temporarily solve
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// the unit test failure.
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#ifdef OS_LINUX
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TEST(DBTest, CompressedCache) {
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int num_iter = 80;
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@ -1903,6 +1900,7 @@ TEST(DBTest, CompressedCache) {
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}
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}
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}
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#endif
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TEST(DBTest, CompactionTrigger) {
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Options options = CurrentOptions();
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@ -2145,6 +2143,15 @@ TEST(DBTest, UniversalCompactionOptions) {
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}
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}
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// TODO(kailiu) disable the in non-linux platforms to temporarily solve
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// the unit test failure.
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#ifdef OS_LINUX
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static std::string CompressibleString(Random* rnd, int len) {
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std::string r;
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test::CompressibleString(rnd, 0.8, len, &r);
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return r;
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}
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TEST(DBTest, UniversalCompactionCompressRatio1) {
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Options options = CurrentOptions();
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options.compaction_style = kCompactionStyleUniversal;
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@ -2205,7 +2212,7 @@ TEST(DBTest, UniversalCompactionCompressRatio1) {
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dbfull()->TEST_WaitForFlushMemTable();
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dbfull()->TEST_WaitForCompact();
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}
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ASSERT_GT((int ) dbfull()->TEST_GetLevel0TotalSize(),
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ASSERT_GT((int) dbfull()->TEST_GetLevel0TotalSize(),
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120000 * 12 * 0.8 + 110000 * 2);
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}
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@ -2235,6 +2242,7 @@ TEST(DBTest, UniversalCompactionCompressRatio2) {
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ASSERT_LT((int ) dbfull()->TEST_GetLevel0TotalSize(),
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120000 * 12 * 0.8 + 110000 * 2);
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}
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#endif
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TEST(DBTest, ConvertCompactionStyle) {
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Random rnd(301);
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@ -4049,6 +4057,9 @@ TEST(DBTest, TransactionLogIteratorMoveOverZeroFiles) {
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} while (ChangeCompactOptions());
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}
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// TODO(kailiu) disable the in non-linux platforms to temporarily solve
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// // the unit test failure.
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#ifdef OS_LINUX
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TEST(DBTest, TransactionLogIteratorStallAtLastRecord) {
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do {
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Options options = OptionsForLogIterTest();
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@ -4066,6 +4077,7 @@ TEST(DBTest, TransactionLogIteratorStallAtLastRecord) {
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ASSERT_TRUE(iter->Valid());
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} while (ChangeCompactOptions());
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}
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#endif
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TEST(DBTest, TransactionLogIteratorJustEmptyFile) {
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do {
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@ -45,23 +45,22 @@ struct EnvOptions {
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explicit EnvOptions(const Options& options);
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// If true, then allow caching of data in environment buffers
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bool use_os_buffer;
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bool use_os_buffer = true;
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// If true, then use mmap to read data
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bool use_mmap_reads;
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bool use_mmap_reads = false;
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// If true, then use mmap to write data
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bool use_mmap_writes;
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bool use_mmap_writes = true;
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// If true, set the FD_CLOEXEC on open fd.
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bool set_fd_cloexec;
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bool set_fd_cloexec= true;
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// Allows OS to incrementally sync files to disk while they are being
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// written, in the background. Issue one request for every bytes_per_sync
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// written. 0 turns it off.
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// Default: 0
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uint64_t bytes_per_sync;
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uint64_t bytes_per_sync = 0;
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};
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class Env {
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@ -273,7 +273,7 @@ Status BlockBasedTable::Open(const Options& options,
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auto err_msg =
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"[Warning] Encountered error while reading data from stats block " +
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s.ToString();
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Log(rep->options.info_log, err_msg.c_str());
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Log(rep->options.info_log, "%s", err_msg.c_str());
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}
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}
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@ -70,8 +70,10 @@ static void ReplicationThreadBody(void* arg) {
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for(;iter->Valid(); iter->Next(), t->no_read++, currentSeqNum++) {
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BatchResult res = iter->GetBatch();
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if (res.sequence != currentSeqNum) {
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fprintf(stderr, "Missed a seq no. b/w %ld and %ld\n", currentSeqNum,
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res.sequence);
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fprintf(stderr,
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"Missed a seq no. b/w %ld and %ld\n",
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(long)currentSeqNum,
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(long)res.sequence);
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exit(1);
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}
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}
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@ -49,7 +49,10 @@ static const long KB = 1024;
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static bool ValidateUint32Range(const char* flagname, uint64_t value) {
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if (value > std::numeric_limits<uint32_t>::max()) {
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fprintf(stderr, "Invalid value for --%s: %lu, overflow\n", flagname, value);
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fprintf(stderr,
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"Invalid value for --%s: %lu, overflow\n",
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flagname,
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(unsigned long)value);
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return false;
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}
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return true;
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@ -1279,7 +1282,9 @@ class StressTest {
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fprintf(stdout, "LevelDB version : %d.%d\n",
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kMajorVersion, kMinorVersion);
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fprintf(stdout, "Number of threads : %d\n", FLAGS_threads);
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fprintf(stdout, "Ops per thread : %lu\n", FLAGS_ops_per_thread);
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fprintf(stdout,
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"Ops per thread : %lu\n",
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(unsigned long)FLAGS_ops_per_thread);
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std::string ttl_state("unused");
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if (FLAGS_ttl > 0) {
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ttl_state = NumberToString(FLAGS_ttl);
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@ -1291,8 +1296,12 @@ class StressTest {
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fprintf(stdout, "Delete percentage : %d%%\n", FLAGS_delpercent);
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fprintf(stdout, "Iterate percentage : %d%%\n", FLAGS_iterpercent);
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fprintf(stdout, "Write-buffer-size : %d\n", FLAGS_write_buffer_size);
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fprintf(stdout, "Iterations : %lu\n", FLAGS_num_iterations);
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fprintf(stdout, "Max key : %ld\n", FLAGS_max_key);
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fprintf(stdout,
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"Iterations : %lu\n",
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(unsigned long)FLAGS_num_iterations);
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fprintf(stdout,
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"Max key : %lu\n",
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(unsigned long)FLAGS_max_key);
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fprintf(stdout, "Ratio #ops/#keys : %f\n",
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(1.0 * FLAGS_ops_per_thread * FLAGS_threads)/FLAGS_max_key);
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fprintf(stdout, "Num times DB reopens: %d\n", FLAGS_reopen);
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@ -1519,9 +1528,11 @@ int main(int argc, char** argv) {
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exit(1);
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}
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if ((unsigned)FLAGS_reopen >= FLAGS_ops_per_thread) {
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fprintf(stderr, "Error: #DB-reopens should be < ops_per_thread\n"
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"Provided reopens = %d and ops_per_thread = %lu\n", FLAGS_reopen,
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FLAGS_ops_per_thread);
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fprintf(stderr,
|
||||
"Error: #DB-reopens should be < ops_per_thread\n"
|
||||
"Provided reopens = %d and ops_per_thread = %lu\n",
|
||||
FLAGS_reopen,
|
||||
(unsigned long)FLAGS_ops_per_thread);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
|
||||
@ -19,10 +19,11 @@
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
#ifdef OS_LINUX
|
||||
#include <sys/statfs.h>
|
||||
#endif
|
||||
#include <sys/time.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/vfs.h>
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
#if defined(OS_LINUX)
|
||||
@ -41,6 +42,12 @@
|
||||
#include "util/random.h"
|
||||
#include <signal.h>
|
||||
|
||||
// Get nano time for mach systems
|
||||
#ifdef __MACH__
|
||||
#include <mach/clock.h>
|
||||
#include <mach/mach.h>
|
||||
#endif
|
||||
|
||||
#if !defined(TMPFS_MAGIC)
|
||||
#define TMPFS_MAGIC 0x01021994
|
||||
#endif
|
||||
@ -51,15 +58,34 @@
|
||||
#define EXT4_SUPER_MAGIC 0xEF53
|
||||
#endif
|
||||
|
||||
// For non linux platform, the following macros are used only as place
|
||||
// holder.
|
||||
#ifndef OS_LINUX
|
||||
#define POSIX_FADV_NORMAL 0 /* [MC1] no further special treatment */
|
||||
#define POSIX_FADV_RANDOM 1 /* [MC1] expect random page refs */
|
||||
#define POSIX_FADV_SEQUENTIAL 2 /* [MC1] expect sequential page refs */
|
||||
#define POSIX_FADV_WILLNEED 3 /* [MC1] will need these pages */
|
||||
#define POSIX_FADV_DONTNEED 4 /* [MC1] dont need these pages */
|
||||
#endif
|
||||
|
||||
// This is only set from db_stress.cc and for testing only.
|
||||
// If non-zero, kill at various points in source code with probability 1/this
|
||||
int rocksdb_kill_odds = 0;
|
||||
|
||||
namespace rocksdb {
|
||||
|
||||
|
||||
namespace {
|
||||
|
||||
// A wrapper for fadvise, if the platform doesn't support fadvise,
|
||||
// it will simply return Status::NotSupport.
|
||||
int Fadvise(int fd, off_t offset, size_t len, int advice) {
|
||||
#ifdef OS_LINUX
|
||||
return posix_fadvise(fd, offset, len, advice);
|
||||
#else
|
||||
return 0; // simply do nothing.
|
||||
#endif
|
||||
}
|
||||
|
||||
// list of pathnames that are locked
|
||||
static std::set<std::string> lockedFiles;
|
||||
static port::Mutex mutex_lockedFiles;
|
||||
@ -161,7 +187,7 @@ class PosixSequentialFile: public SequentialFile {
|
||||
if (!use_os_buffer_) {
|
||||
// we need to fadvise away the entire range of pages because
|
||||
// we do not want readahead pages to be cached.
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED); // free OS pages
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED); // free OS pages
|
||||
}
|
||||
return s;
|
||||
}
|
||||
@ -174,12 +200,16 @@ class PosixSequentialFile: public SequentialFile {
|
||||
}
|
||||
|
||||
virtual Status InvalidateCache(size_t offset, size_t length) {
|
||||
#ifndef OS_LINUX
|
||||
return Status::OK();
|
||||
#else
|
||||
// free OS pages
|
||||
int ret = posix_fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
int ret = Fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
if (ret == 0) {
|
||||
return Status::OK();
|
||||
}
|
||||
return IOError(filename_, errno);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
@ -210,12 +240,12 @@ class PosixRandomAccessFile: public RandomAccessFile {
|
||||
if (!use_os_buffer_) {
|
||||
// we need to fadvise away the entire range of pages because
|
||||
// we do not want readahead pages to be cached.
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED); // free OS pages
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED); // free OS pages
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
#if defined(OS_LINUX)
|
||||
#ifdef OS_LINUX
|
||||
virtual size_t GetUniqueId(char* id, size_t max_size) const {
|
||||
return GetUniqueIdFromFile(fd_, id, max_size);
|
||||
}
|
||||
@ -224,19 +254,19 @@ class PosixRandomAccessFile: public RandomAccessFile {
|
||||
virtual void Hint(AccessPattern pattern) {
|
||||
switch(pattern) {
|
||||
case NORMAL:
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_NORMAL);
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_NORMAL);
|
||||
break;
|
||||
case RANDOM:
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_RANDOM);
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_RANDOM);
|
||||
break;
|
||||
case SEQUENTIAL:
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_SEQUENTIAL);
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_SEQUENTIAL);
|
||||
break;
|
||||
case WILLNEED:
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_WILLNEED);
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_WILLNEED);
|
||||
break;
|
||||
case DONTNEED:
|
||||
posix_fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED);
|
||||
Fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED);
|
||||
break;
|
||||
default:
|
||||
assert(false);
|
||||
@ -245,12 +275,16 @@ class PosixRandomAccessFile: public RandomAccessFile {
|
||||
}
|
||||
|
||||
virtual Status InvalidateCache(size_t offset, size_t length) {
|
||||
#ifndef OS_LINUX
|
||||
return Status::OK();
|
||||
#else
|
||||
// free OS pages
|
||||
int ret = posix_fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
int ret = Fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
if (ret == 0) {
|
||||
return Status::OK();
|
||||
}
|
||||
return IOError(filename_, errno);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
@ -268,6 +302,7 @@ class PosixMmapReadableFile: public RandomAccessFile {
|
||||
void* base, size_t length,
|
||||
const EnvOptions& options)
|
||||
: fd_(fd), filename_(fname), mmapped_region_(base), length_(length) {
|
||||
fd_ = fd_ + 0; // suppress the warning for used variables
|
||||
assert(options.use_mmap_reads);
|
||||
assert(options.use_os_buffer);
|
||||
}
|
||||
@ -285,12 +320,16 @@ class PosixMmapReadableFile: public RandomAccessFile {
|
||||
return s;
|
||||
}
|
||||
virtual Status InvalidateCache(size_t offset, size_t length) {
|
||||
#ifndef OS_LINUX
|
||||
return Status::OK();
|
||||
#else
|
||||
// free OS pages
|
||||
int ret = posix_fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
int ret = Fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
if (ret == 0) {
|
||||
return Status::OK();
|
||||
}
|
||||
return IOError(filename_, errno);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
@ -350,6 +389,7 @@ class PosixMmapFile : public WritableFile {
|
||||
}
|
||||
|
||||
Status MapNewRegion() {
|
||||
#ifdef OS_LINUX
|
||||
assert(base_ == nullptr);
|
||||
|
||||
TEST_KILL_RANDOM(rocksdb_kill_odds);
|
||||
@ -373,6 +413,9 @@ class PosixMmapFile : public WritableFile {
|
||||
dst_ = base_;
|
||||
last_sync_ = base_;
|
||||
return Status::OK();
|
||||
#else
|
||||
return Status::NotSupported("This platform doesn't support fallocate()");
|
||||
#endif
|
||||
}
|
||||
|
||||
public:
|
||||
@ -520,12 +563,16 @@ class PosixMmapFile : public WritableFile {
|
||||
}
|
||||
|
||||
virtual Status InvalidateCache(size_t offset, size_t length) {
|
||||
#ifndef OS_LINUX
|
||||
return Status::OK();
|
||||
#else
|
||||
// free OS pages
|
||||
int ret = posix_fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
int ret = Fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
if (ret == 0) {
|
||||
return Status::OK();
|
||||
}
|
||||
return IOError(filename_, errno);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef OS_LINUX
|
||||
@ -693,12 +740,16 @@ class PosixWritableFile : public WritableFile {
|
||||
}
|
||||
|
||||
virtual Status InvalidateCache(size_t offset, size_t length) {
|
||||
#ifndef OS_LINUX
|
||||
return Status::OK();
|
||||
#else
|
||||
// free OS pages
|
||||
int ret = posix_fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
int ret = Fadvise(fd_, offset, length, POSIX_FADV_DONTNEED);
|
||||
if (ret == 0) {
|
||||
return Status::OK();
|
||||
}
|
||||
return IOError(filename_, errno);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef OS_LINUX
|
||||
@ -956,7 +1007,13 @@ class PosixEnv : public Env {
|
||||
if (options.use_mmap_writes && !forceMmapOff) {
|
||||
result->reset(new PosixMmapFile(fname, fd, page_size_, options));
|
||||
} else {
|
||||
result->reset(new PosixWritableFile(fname, fd, 65536, options));
|
||||
// disable mmap writes
|
||||
EnvOptions no_mmap_writes_options = options;
|
||||
no_mmap_writes_options.use_mmap_writes = false;
|
||||
|
||||
result->reset(
|
||||
new PosixWritableFile(fname, fd, 65536, no_mmap_writes_options)
|
||||
);
|
||||
}
|
||||
}
|
||||
return s;
|
||||
@ -1138,14 +1195,24 @@ class PosixEnv : public Env {
|
||||
|
||||
virtual uint64_t NowMicros() {
|
||||
struct timeval tv;
|
||||
// TODO(kailiu) MAC DON'T HAVE THIS
|
||||
gettimeofday(&tv, nullptr);
|
||||
return static_cast<uint64_t>(tv.tv_sec) * 1000000 + tv.tv_usec;
|
||||
}
|
||||
|
||||
virtual uint64_t NowNanos() {
|
||||
#ifdef OS_LINUX
|
||||
struct timespec ts;
|
||||
clock_gettime(CLOCK_MONOTONIC, &ts);
|
||||
return static_cast<uint64_t>(ts.tv_sec) * 1000000000 + ts.tv_nsec;
|
||||
#elif __MACH__
|
||||
clock_serv_t cclock;
|
||||
mach_timespec_t ts;
|
||||
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
|
||||
clock_get_time(cclock, &ts);
|
||||
mach_port_deallocate(mach_task_self(), cclock);
|
||||
#endif
|
||||
return static_cast<uint64_t>(ts.tv_sec) * 1000000000 + ts.tv_nsec;
|
||||
}
|
||||
|
||||
virtual void SleepForMicroseconds(int micros) {
|
||||
@ -1230,6 +1297,7 @@ class PosixEnv : public Env {
|
||||
}
|
||||
|
||||
bool SupportsFastAllocate(const std::string& path) {
|
||||
#ifdef OS_LINUX
|
||||
struct statfs s;
|
||||
if (statfs(path.c_str(), &s)){
|
||||
return false;
|
||||
@ -1244,6 +1312,9 @@ class PosixEnv : public Env {
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
size_t page_size_;
|
||||
@ -1322,7 +1393,9 @@ class PosixEnv : public Env {
|
||||
nullptr,
|
||||
&ThreadPool::BGThreadWrapper,
|
||||
this));
|
||||
fprintf(stdout, "Created bg thread 0x%lx\n", t);
|
||||
fprintf(stdout,
|
||||
"Created bg thread 0x%lx\n",
|
||||
(unsigned long)t);
|
||||
bgthreads_.push_back(t);
|
||||
}
|
||||
|
||||
@ -1411,7 +1484,11 @@ std::string Env::GenerateUniqueId() {
|
||||
r.Uniform(std::numeric_limits<uint64_t>::max());
|
||||
uint64_t nanos_uuid_portion = NowNanos();
|
||||
char uuid2[200];
|
||||
snprintf(uuid2, 200, "%lx-%lx", nanos_uuid_portion, random_uuid_portion);
|
||||
snprintf(uuid2,
|
||||
200,
|
||||
"%lx-%lx",
|
||||
(unsigned long)nanos_uuid_portion,
|
||||
(unsigned long)random_uuid_portion);
|
||||
return uuid2;
|
||||
}
|
||||
|
||||
|
||||
@ -190,6 +190,7 @@ bool IsSingleVarint(const std::string& s) {
|
||||
return slice.size() == 0;
|
||||
}
|
||||
|
||||
#ifdef OS_LINUX
|
||||
bool IsUniqueIDValid(const std::string& s) {
|
||||
return !s.empty() && !IsSingleVarint(s);
|
||||
}
|
||||
@ -197,6 +198,7 @@ bool IsUniqueIDValid(const std::string& s) {
|
||||
const size_t MAX_ID_SIZE = 100;
|
||||
char temp_id[MAX_ID_SIZE];
|
||||
|
||||
// Only works in linux platforms
|
||||
TEST(EnvPosixTest, RandomAccessUniqueID) {
|
||||
// Create file.
|
||||
const EnvOptions soptions;
|
||||
@ -251,6 +253,7 @@ bool HasPrefix(const std::unordered_set<std::string>& ss) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Only works in linux platforms
|
||||
TEST(EnvPosixTest, RandomAccessUniqueIDConcurrent) {
|
||||
// Check whether a bunch of concurrently existing files have unique IDs.
|
||||
const EnvOptions soptions;
|
||||
@ -288,6 +291,7 @@ TEST(EnvPosixTest, RandomAccessUniqueIDConcurrent) {
|
||||
ASSERT_TRUE(!HasPrefix(ids));
|
||||
}
|
||||
|
||||
// Only works in linux platforms
|
||||
TEST(EnvPosixTest, RandomAccessUniqueIDDeletes) {
|
||||
const EnvOptions soptions;
|
||||
std::string fname = test::TmpDir() + "/" + "testfile";
|
||||
@ -322,6 +326,7 @@ TEST(EnvPosixTest, RandomAccessUniqueIDDeletes) {
|
||||
ASSERT_TRUE(!HasPrefix(ids));
|
||||
}
|
||||
|
||||
// Only works in linux platforms
|
||||
TEST(EnvPosixTest, InvalidateCache) {
|
||||
const EnvOptions soptions;
|
||||
std::string fname = test::TmpDir() + "/" + "testfile";
|
||||
@ -361,6 +366,7 @@ TEST(EnvPosixTest, InvalidateCache) {
|
||||
// Delete the file
|
||||
ASSERT_OK(env_->DeleteFile(fname));
|
||||
}
|
||||
#endif
|
||||
|
||||
TEST(EnvPosixTest, PosixRandomRWFileTest) {
|
||||
EnvOptions soptions;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user