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add direct_io and compaction_readahead_size in db_stress

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Summary:
add direct_io and compaction_readahead_size in db_stress
test direct_io under db_stress with compaction_readahead_size enabled to capture bugs found in production.
`./db_stress --allow_concurrent_memtable_write=0 --use_direct_reads --use_direct_writes --compaction_readahead_size=4096`
Closes https://github.com/facebook/rocksdb/pull/1906

Differential Revision: D4604514

Pulled By: IslamAbdelRahman

fbshipit-source-id: ebbf0ee
This commit is contained in:
Aaron Gao 2017-02-23 11:21:23 -08:00 committed by Facebook Github Bot
parent 1ef5f50e84
commit e7d902e693
1 changed files with 15 additions and 0 deletions
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15
tools/db_stress.cc
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@ -110,6 +110,8 @@ DEFINE_int32(ttl, -1,
DEFINE_int32(value_size_mult, 8,
"Size of value will be this number times rand_int(1,3) bytes");
DEFINE_int32(compaction_readahead_size, 0, "Compaction readahead size");
DEFINE_bool(verify_before_write, false, "Verify before write");
DEFINE_bool(histogram, false, "Print histogram of operation timings");
@ -270,6 +272,15 @@ DEFINE_bool(verify_checksum, false,
DEFINE_bool(mmap_read, rocksdb::EnvOptions().use_mmap_reads,
"Allow reads to occur via mmap-ing files");
DEFINE_bool(mmap_write, rocksdb::EnvOptions().use_mmap_writes,
"Allow writes to occur via mmap-ing files");
DEFINE_bool(use_direct_reads, rocksdb::EnvOptions().use_direct_reads,
"Use O_DIRECT for reading data");
DEFINE_bool(use_direct_writes, rocksdb::EnvOptions().use_direct_writes,
"Use O_DIRECT for writing data");
// Database statistics
static std::shared_ptr<rocksdb::Statistics> dbstats;
DEFINE_bool(statistics, false, "Create database statistics");
@ -2141,7 +2152,11 @@ class StressTest {
options_.statistics = dbstats;
options_.env = FLAGS_env;
options_.use_fsync = FLAGS_use_fsync;
options_.compaction_readahead_size = FLAGS_compaction_readahead_size;
options_.allow_mmap_reads = FLAGS_mmap_read;
options_.allow_mmap_writes = FLAGS_mmap_write;
options_.use_direct_reads = FLAGS_use_direct_reads;
options_.use_direct_writes = FLAGS_use_direct_writes;
options_.target_file_size_base = FLAGS_target_file_size_base;
options_.target_file_size_multiplier = FLAGS_target_file_size_multiplier;
options_.max_bytes_for_level_base = FLAGS_max_bytes_for_level_base;