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From "Vladimir Rodionov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18138) HBase named read caches
Date Wed, 31 May 2017 16:48:10 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16031496#comment-16031496

Vladimir Rodionov commented on HBASE-18138:

Good idea, especially to support multiple tenants.

> HBase named read caches
> -----------------------
>                 Key: HBASE-18138
>                 URL: https://issues.apache.org/jira/browse/HBASE-18138
>             Project: HBase
>          Issue Type: New Feature
>          Components: BlockCache, BucketCache
>            Reporter: Biju Nair
> Instead of a single read(block) cache, if HBase can support creation of named read caches
and use by tables it will help common scenarios like
> - Assigning a chunk of the cache to tables with data which are critical to performance
so that they don’t get swapped out due to other less critical table data being read
> - To be able to guarantee a percentage of the cache to tenants in a multi tenant environment
by assigning named caches to each tenant

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