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db_bench add an option of --base_background_compactions

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Summary: As title.

Test Plan: Run the benchmark with and without the parameter.

Reviewers: yiwu, andrewkr, lightmark, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D61491
This commit is contained in:
sdong 2016-08-03 16:02:41 -07:00
parent c3a4bea5dc
commit f35b16f246
1 changed files with 6 additions and 0 deletions
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6
tools/db_bench_tool.cc
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@ -303,6 +303,11 @@ DEFINE_int32(max_background_compactions,
"The maximum number of concurrent background compactions"
" that can occur in parallel.");
DEFINE_int32(base_background_compactions,
rocksdb::Options().base_background_compactions,
"The base number of concurrent background compactions"
" to occur in parallel.");
DEFINE_uint64(subcompactions, 1,
"Maximum number of subcompactions to divide L0-L1 compactions "
"into.");
@ -2524,6 +2529,7 @@ class Benchmark {
FLAGS_min_write_buffer_number_to_merge;
options.max_write_buffer_number_to_maintain =
FLAGS_max_write_buffer_number_to_maintain;
options.base_background_compactions = FLAGS_base_background_compactions;
options.max_background_compactions = FLAGS_max_background_compactions;
options.max_subcompactions = static_cast<uint32_t>(FLAGS_subcompactions);
options.max_background_flushes = FLAGS_max_background_flushes;