hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14793) Allow limiting size of block into L1 block cache.
Date Thu, 12 Nov 2015 19:31:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002720#comment-15002720
] 

Andrew Purtell commented on HBASE-14793:
----------------------------------------

bq. Emm, what about a metric to count the blocks which couldn't be cached because of this
new threshold. Can that be useful? Maybe for tuning? what do you think?

+1, I'd like that

> Allow limiting size of block into L1 block cache.
> -------------------------------------------------
>
>                 Key: HBASE-14793
>                 URL: https://issues.apache.org/jira/browse/HBASE-14793
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0, 1.1.2
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14793-v1.patch, HBASE-14793.patch
>
>
> G1GC does really badly with long lived large objects. Lets allow limiting the size of
a block that can be kept in the block cache.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message