[jira] [Updated] (HBASE-23296) Add CompositeBucketCache to support tiered BC
[ https://issues.apache.org/jira/browse/HBASE-23296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anoop Sam John updated HBASE-23296: --- Issue Type: New Feature (was: Improvement) > Add CompositeBucketCache to support tiered BC > - > > Key: HBASE-23296 > URL: https://issues.apache.org/jira/browse/HBASE-23296 > Project: HBase > Issue Type: New Feature > Components: BlockCache >Reporter: chenxu >Assignee: chenxu >Priority: Major > > LruBlockCache is not suitable in the following scenarios: > (1) cache size too large (will take too much heap memory, and > evictBlocksByHfileName is not so efficient, as HBASE-23277 mentioned) > (2) block evicted frequently, especially cacheOnWrite & prefetchOnOpen are > enabled. > Since block‘s data is reclaimed by GC, this may affect GC performance. > So how about enabling a Bucket based L1 Cache. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (HBASE-23296) Add CompositeBucketCache to support tiered BC
[ https://issues.apache.org/jira/browse/HBASE-23296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] chenxu updated HBASE-23296: --- Summary: Add CompositeBucketCache to support tiered BC (was: Support Bucket based L1 Cache) > Add CompositeBucketCache to support tiered BC > - > > Key: HBASE-23296 > URL: https://issues.apache.org/jira/browse/HBASE-23296 > Project: HBase > Issue Type: Improvement > Components: BlockCache >Reporter: chenxu >Priority: Major > > LruBlockCache is not suitable in the following scenarios: > (1) cache size too large (will take too much heap memory, and > evictBlocksByHfileName is not so efficient, as HBASE-23277 mentioned) > (2) block evicted frequently, especially cacheOnWrite & prefetchOnOpen are > enabled. > Since block‘s data is reclaimed by GC, this may affect GC performance. > So how about enabling a Bucket based L1 Cache. -- This message was sent by Atlassian Jira (v8.3.4#803005)
