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fb84c49a36
rocksdb/util
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Lei Jin fb84c49a36 convert Tickers back to array with padding and alignment 
Summary:
Pad each Ticker structure to be 64 bytes and make them align on 64 bytes
boundary to avoid cache line false sharing issue.
Please refer to task 3615553 for more details

Test Plan:
db_bench

LevelDB:    version 2.0s
Date:       Wed Jan 29 12:23:17 2014
CPU:        32 * Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
CPUCache:   20480 KB
rocksdb.build.overwrite.qps 49638
rocksdb.build.overwrite.p50_micros 58.73
rocksdb.build.overwrite.p75_micros 210.56
rocksdb.build.overwrite.p99_micros 733.28
rocksdb.build.fillseq.qps 366729
rocksdb.build.fillseq.p50_micros 1.00
rocksdb.build.fillseq.p75_micros 1.00
rocksdb.build.fillseq.p99_micros 2.65
rocksdb.build.readrandom.qps 1152995
rocksdb.build.readrandom.p50_micros 11.27
rocksdb.build.readrandom.p75_micros 15.69
rocksdb.build.readrandom.p99_micros 33.59
rocksdb.build.readrandom_smallblockcache.qps 956047
rocksdb.build.readrandom_smallblockcache.p50_micros 15.23
rocksdb.build.readrandom_smallblockcache.p75_micros 17.31
rocksdb.build.readrandom_smallblockcache.p99_micros 31.49
rocksdb.build.readrandom_memtable_sst.qps 1105183
rocksdb.build.readrandom_memtable_sst.p50_micros 12.04
rocksdb.build.readrandom_memtable_sst.p75_micros 15.78
rocksdb.build.readrandom_memtable_sst.p99_micros 32.49
rocksdb.build.readrandom_fillunique_random.qps 487856
rocksdb.build.readrandom_fillunique_random.p50_micros 29.65
rocksdb.build.readrandom_fillunique_random.p75_micros 40.93
rocksdb.build.readrandom_fillunique_random.p99_micros 78.68
rocksdb.build.memtablefillrandom.qps 91304
rocksdb.build.memtablefillrandom.p50_micros 171.05
rocksdb.build.memtablefillrandom.p75_micros 196.12
rocksdb.build.memtablefillrandom.p99_micros 291.73
rocksdb.build.memtablereadrandom.qps 1340411
rocksdb.build.memtablereadrandom.p50_micros 9.48
rocksdb.build.memtablereadrandom.p75_micros 13.95
rocksdb.build.memtablereadrandom.p99_micros 30.36
rocksdb.build.readwhilewriting.qps 491004
rocksdb.build.readwhilewriting.p50_micros 29.58
rocksdb.build.readwhilewriting.p75_micros 40.34
rocksdb.build.readwhilewriting.p99_micros 76.78

Reviewers: igor, haobo

Reviewed By: igor

CC: leveldb

Differential Revision: https://reviews.facebook.net/D15573
2014-01-29 15:08:41 -08:00
..
arena_impl.cc Separate the aligned and unaligned memory allocation 2014-01-08 15:11:42 -08:00
arena_impl.h Separate the aligned and unaligned memory allocation 2014-01-08 15:11:42 -08:00
arena_test.cc fix compile warning 2014-01-10 17:56:35 +08:00
auto_roll_logger_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
auto_roll_logger.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
auto_roll_logger.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
autovector_test.cc Fix issue #57 2014-01-06 11:11:19 -08:00
autovector.h Fix all the comparison issue in fb dev servers 2013-12-26 16:13:49 -08:00
bit_set.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
blob_store_test.cc Move the compiler back to 4.8.1 + more small fixes 2013-11-18 11:40:16 -08:00
blob_store.cc Fixing the warning messages captured under mac os # Consider using git commit -m 'One line title' && arc diff. # You will save time by running lint and unit in the background. 2013-11-12 20:05:28 -08:00
blob_store.h Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
bloom_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
bloom.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
build_version.h Fixed typos 2013-11-16 11:21:34 +00:00
cache_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
cache.cc Add a call DisownData() to Cache, which should speed up shutdown 2014-01-24 14:57:52 -08:00
coding_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
coding.cc Moving Some includes from options.h to forward declaration 2014-01-24 17:16:22 -08:00
coding.h Moving Some includes from options.h to forward declaration 2014-01-24 17:16:22 -08:00
comparator.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env_hdfs.cc Fsync directory after we create a new file 2014-01-27 11:02:21 -08:00
env_posix.cc Fsync directory after we create a new file 2014-01-27 11:02:21 -08:00
env_test.cc make util/env_posix.cc work under mac 2013-11-16 23:44:39 -08:00
env.cc Flush the log outside of lock 2013-11-07 11:31:56 -08:00
filelock_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
filter_policy.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
hash_skiplist_rep.cc Remove the unnecessary use of shared_ptr 2014-01-15 18:22:01 -08:00
hash_skiplist_rep.h Remove the unnecessary use of shared_ptr 2014-01-15 18:22:01 -08:00
hash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
hash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram.cc Statistics code cleanup 2014-01-17 12:46:06 -08:00
histogram.h Statistics code cleanup 2014-01-17 12:46:06 -08:00
ldb_cmd_execute_result.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
ldb_cmd.cc Make VersionSet::ReduceNumberOfLevels() static 2014-01-24 14:57:04 -08:00
ldb_cmd.h Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type 2013-11-01 13:59:14 -07:00
ldb_tool.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
logging.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
logging.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
manual_compaction_test.cc Fix CompactRange to apply filter to every key 2014-01-14 16:19:09 -08:00
murmurhash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
mutexlock.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
options.cc Moving Some includes from options.h to forward declaration 2014-01-24 17:16:22 -08:00
perf_context_imp.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
perf_context.cc Revert "Allow users to profile a query and see bottleneck of the query" 2013-11-21 17:40:39 -08:00
posix_logger.h only try to use fallocate if it's actually present on the system 2013-12-10 22:34:19 -08:00
random.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
signal_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
skiplistrep.cc Remove the unnecessary use of shared_ptr 2014-01-15 18:22:01 -08:00
slice.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
stack_trace.h Print stack trace on assertion failure 2013-12-06 17:11:09 -08:00
statistics.cc convert Tickers back to array with padding and alignment 2014-01-29 15:08:41 -08:00
statistics.h convert Tickers back to array with padding and alignment 2014-01-29 15:08:41 -08:00
stats_logger.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
status.cc Avoid malloc in NotFound key status if no message is given. 2013-12-26 16:23:10 -08:00
stl_wrappers.h Killing Transform Rep 2013-12-03 12:42:15 -08:00
stop_watch.h Statistics code cleanup 2014-01-17 12:46:06 -08:00
string_util.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
string_util.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
testharness.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
testharness.h Print stack trace on assertion failure 2013-12-06 17:11:09 -08:00
testutil.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
testutil.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
vectorrep.cc Remove the unnecessary use of shared_ptr 2014-01-15 18:22:01 -08:00