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Posted to issues@hbase.apache.org by "Michael Stack (Jira)" <ji...@apache.org> on 2020/01/17 23:56:00 UTC

[jira] [Updated] (HBASE-19452) Turn ON off heap Bucket Cache by default

     [ https://issues.apache.org/jira/browse/HBASE-19452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Stack updated HBASE-19452:
----------------------------------
    Fix Version/s:     (was: 2.3.0)

> Turn ON off heap Bucket Cache by default
> ----------------------------------------
>
>                 Key: HBASE-19452
>                 URL: https://issues.apache.org/jira/browse/HBASE-19452
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>            Priority: Major
>         Attachments: HBASE-19452.patch, HBASE-19452_V2.patch, HBASE-19452_V3.patch
>
>
> BC's hbase.bucketcache.ioengine by default is empty now. Means now BC.
> Make this default to be 'offheap'.  And the default off heap size for the BC also to be provided. This can be 8 GB?  Better to make it also a % of the Xmx. Lets continue to be 40% of Xmx as LRU cache default size.
> When user has to disable BC, configure size as 0. An empty value of this config will be treated as default size.



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