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Add db_bench flag to set cache_index_and_filter_blocks

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Summary:
The new flag --cache_index_and_filter_blocks sets
BlockBasedTableOptions.cache_index_and_filter_blocks

Test Plan: make db_bench. Working on benchmarks with the new flag.

Reviewers: igor

Reviewed By: igor

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D41481
This commit is contained in:
Aaron Feldman 2015-07-09 13:36:16 -07:00
parent 4bed00a44b
commit 1f4d565709
1 changed files with 5 additions and 0 deletions
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5
db/db_bench.cc
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@ -310,6 +310,9 @@ DEFINE_int32(universal_compression_size_percent, -1,
DEFINE_int64(cache_size, -1, "Number of bytes to use as a cache of uncompressed"
"data. Negative means use default settings.");
DEFINE_bool(cache_index_and_filter_blocks, false,
"Cache index/filter blocks in block cache.");
DEFINE_int32(block_size,
static_cast<int32_t>(rocksdb::BlockBasedTableOptions().block_size),
"Number of bytes in a block.");
@ -2371,6 +2374,8 @@ class Benchmark {
if (cache_ == nullptr) {
block_based_options.no_block_cache = true;
}
block_based_options.cache_index_and_filter_blocks =
FLAGS_cache_index_and_filter_blocks;
block_based_options.block_cache = cache_;
block_based_options.block_cache_compressed = compressed_cache_;
block_based_options.block_size = FLAGS_block_size;