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D2018-08-23-data-block-hash-index.markdown43 …nd comparison are needed. Each binary search branching triggers CPU cache miss, causing much CPU u…
82 …miss ratio. Therefore, a very small util ratio will result in a large data block cache miss ratio,…
108 …ent block cache sizes are used, ranging from 14GB down to 2GB, with an increasing cache miss ratio.
113 ![](/static/images/data-block-hash-index/perf-cache-miss.png)
115 …eater than 8GB can be translated to a cache miss ratio smaller than 40%. So if the workload has a …
D2017-05-12-partitioned-index-filter.markdown8 …asing the load on the disk storage by loading them into the cache after a miss. Here we illustrate…
16 …ch other out of the block cache more often and exacerbate their own cache miss rate too. This is w…
18 After the cache miss of an index/filter, it has to be reloaded from the disk, and its large size is…
D2017-03-02-rocksdb-5-2-1-released.markdown22 * Fix a regression bug which can cause Seek() to miss some keys if the return key has been updated …
D2014-06-23-plaintable-a-new-file-format.markdown37 … we added a bloom filter check before the query. This adds only one cache miss for non-empty cases…
/rocksdb-6.9/tools/block_cache_analyzer/
Dblock_cache_trace_analyzer.cc424 uint64_t miss = num_miss.second; in WriteMissRatioTimeline() local
428 cs_name_timeline[port::kMaxUint64]["trace"][time] = percent(miss, access); in WriteMissRatioTimeline()
447 uint64_t miss = num_miss.second; in WriteMissRatioTimeline() local
452 percent(miss, access); in WriteMissRatioTimeline()
501 uint64_t miss = num_miss.second; in WriteMissTimeline() local
502 cs_name_timeline[port::kMaxUint64]["trace"][time] = miss; in WriteMissTimeline()
517 uint64_t miss = num_miss.second; in WriteMissTimeline() local
518 cs_name_timeline[config.cache_capacities[i]][cache_label][time] = miss; in WriteMissTimeline()
/rocksdb-6.9/db/
Ddb_test2.cc2005 auto miss = options.statistics->getTickerCount(PERSISTENT_CACHE_MISS); in TEST_F() local
2008 ASSERT_GT(miss, 0); in TEST_F()
/rocksdb-6.9/
DHISTORY.md62 …e user keys are for merge operands. In this case, Get() the exact key may miss some merge operands.
114 …into the block cache of the same size, which would result to higher cache miss rates. This can be …