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Add -enable_pipelined_write to db_bench and add two defaults

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Summary:
Expose pipeline write in db_bench and change the default to parallel memtable inserts
Closes https://github.com/facebook/rocksdb/pull/2527

Differential Revision: D5359825

Pulled By: siying

fbshipit-source-id: e30755feb07ff19a731c4058acf101e02de4e197
This commit is contained in:
Siying Dong 2017-06-30 15:21:02 -07:00 committed by Facebook Github Bot
parent 7604b463b5
commit 1cb8c6de63
1 changed files with 6 additions and 2 deletions
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8
tools/db_bench_tool.cc
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@ -776,10 +776,13 @@ DEFINE_uint64(delayed_write_rate, 8388608u,
"Limited bytes allowed to DB when soft_rate_limit or "
"level0_slowdown_writes_trigger triggers");
DEFINE_bool(allow_concurrent_memtable_write, false,
DEFINE_bool(enable_pipelined_write, true,
"Allow WAL and memtable writes to be pipelined");
DEFINE_bool(allow_concurrent_memtable_write, true,
"Allow multi-writers to update mem tables in parallel.");
DEFINE_bool(enable_write_thread_adaptive_yield, false,
DEFINE_bool(enable_write_thread_adaptive_yield, true,
"Use a yielding spin loop for brief writer thread waits.");
DEFINE_uint64(
@ -3105,6 +3108,7 @@ void VerifyDBFromDB(std::string& truth_db_name) {
FLAGS_allow_concurrent_memtable_write;
options.enable_write_thread_adaptive_yield =
FLAGS_enable_write_thread_adaptive_yield;
options.enable_pipelined_write = FLAGS_enable_pipelined_write;
options.write_thread_max_yield_usec = FLAGS_write_thread_max_yield_usec;
options.write_thread_slow_yield_usec = FLAGS_write_thread_slow_yield_usec;
options.rate_limit_delay_max_milliseconds =