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new b6649a8 HBASE-23887 Bug fix heavyEvictionMbSizeLimit (ADDENDUM)
(#2957)
b6649a8 is described below
commit b6649a8784d13b66463e354d586daeed3955961a
Author: pustota2009 <[email protected]>
AuthorDate: Mon Feb 15 18:13:33 2021 +0300
HBASE-23887 Bug fix heavyEvictionMbSizeLimit (ADDENDUM) (#2957)
Signed-off-by: Viraj Jasani <[email protected]>
---
.../org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java
index 083f109..99a3a2b 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruAdaptiveBlockCache.java
@@ -388,6 +388,12 @@ public class LruAdaptiveBlockCache implements
FirstLevelBlockCache {
* @param singleFactor percentage of total size for single-access
blocks
* @param multiFactor percentage of total size for multiple-access
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,
int mapInitialSize, float mapLoadFactor, int mapConcurrencyLevel,
@@ -434,7 +440,7 @@ public class LruAdaptiveBlockCache implements
FirstLevelBlockCache {
// check the bounds
this.heavyEvictionCountLimit = Math.max(heavyEvictionCountLimit, 0);
- this.heavyEvictionMbSizeLimit = Math.max(heavyEvictionCountLimit, 1);
+ this.heavyEvictionMbSizeLimit = Math.max(heavyEvictionMbSizeLimit, 1);
this.cacheDataBlockPercent = 100;
heavyEvictionOverheadCoefficient =
Math.min(heavyEvictionOverheadCoefficient, 1.0f);
heavyEvictionOverheadCoefficient =
Math.max(heavyEvictionOverheadCoefficient, 0.001f);
