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HBASE-23887 Bug fix heavyEvictionMbSizeLimit (ADDENDUM) (#2957) 

Signed-off-by: Viraj Jasani <vjasani@apache.org>
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pustota2009 2021-02-15 18:13:33 +03:00 committed by GitHub
parent b2f85e5fd2
commit b6649a8784
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1 changed files with 7 additions and 1 deletions
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8
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java
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@ -388,6 +388,12 @@ public class LruAdaptiveBlockCache implements FirstLevelBlockCache {
* @param singleFactor percentage of total size for single-access blocks * @param singleFactor percentage of total size for single-access blocks
* @param multiFactor percentage of total size for multiple-access blocks * @param multiFactor percentage of total size for multiple-access blocks
* @param memoryFactor percentage of total size for in-memory blocks * @param memoryFactor percentage of total size for in-memory blocks
* @param hardLimitFactor hard capacity limit
* @param forceInMemory in-memory hfile's data block has higher priority when evicting
* @param maxBlockSize maximum block size for caching
* @param heavyEvictionCountLimit when starts AdaptiveLRU algoritm work
* @param heavyEvictionMbSizeLimit how many bytes desirable putting into BlockCache
* @param heavyEvictionOverheadCoefficient how aggressive AdaptiveLRU will reduce GC
*/ */
public LruAdaptiveBlockCache(long maxSize, long blockSize, boolean evictionThread, public LruAdaptiveBlockCache(long maxSize, long blockSize, boolean evictionThread,
int mapInitialSize, float mapLoadFactor, int mapConcurrencyLevel, int mapInitialSize, float mapLoadFactor, int mapConcurrencyLevel,
@ -434,7 +440,7 @@ public class LruAdaptiveBlockCache implements FirstLevelBlockCache {
// check the bounds // check the bounds
this.heavyEvictionCountLimit = Math.max(heavyEvictionCountLimit, 0); this.heavyEvictionCountLimit = Math.max(heavyEvictionCountLimit, 0);
this.heavyEvictionMbSizeLimit = Math.max(heavyEvictionCountLimit, 1); this.heavyEvictionMbSizeLimit = Math.max(heavyEvictionMbSizeLimit, 1);
this.cacheDataBlockPercent = 100; this.cacheDataBlockPercent = 100;
heavyEvictionOverheadCoefficient = Math.min(heavyEvictionOverheadCoefficient, 1.0f); heavyEvictionOverheadCoefficient = Math.min(heavyEvictionOverheadCoefficient, 1.0f);
heavyEvictionOverheadCoefficient = Math.max(heavyEvictionOverheadCoefficient, 0.001f); heavyEvictionOverheadCoefficient = Math.max(heavyEvictionOverheadCoefficient, 0.001f);