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Date: Fri, 2 Jun 2017 10:17:04 +0000 (UTC)
From: "Biju Nair (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.13076076.1496203669000.350459.1496398624285@Atlassian.JIRA>
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References: <JIRA.13076076.1496203669000@Atlassian.JIRA> <JIRA.13076076.1496203669077@jira-lw-us.apache.org>
Subject: [jira] [Comment Edited] (HBASE-18138) HBase named read caches
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archived-at: Fri, 02 Jun 2017 10:17:09 -0000


    [ https://issues.apache.org/jira/browse/HBASE-18138?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D160=
34449#comment-16034449 ]=20

Biju Nair edited comment on HBASE-18138 at 6/2/17 10:16 AM:
------------------------------------------------------------

Can this get ticket assigned to me? Looks like my id doesn't have the requi=
red permission.


was (Author: gsbiju):
Can this ticket assigned to me? Looks like my id doesn't have the required =
permission.

> 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
>         Attachments: HBASE-18138.txt
>
>
> Instead of a single read(block) cache, if HBase can support creation of n=
amed 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 t=
o performance so that they don=E2=80=99t 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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