hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15554) StoreFile$Writer.appendGeneralBloomFilter generates extra KV
Date Tue, 10 May 2016 12:46:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15278035#comment-15278035
] 

Anoop Sam John commented on HBASE-15554:
----------------------------------------

It can avoid copy when the entire Key is in one buffer only right? The KeyValue way?  The
hash function deals with bytes and so we make it with special KV with CF empty. (as we know
what will be cf name for a store file) ..  So how exactly we will avoid the need of copy?

> StoreFile$Writer.appendGeneralBloomFilter generates extra KV
> ------------------------------------------------------------
>
>                 Key: HBASE-15554
>                 URL: https://issues.apache.org/jira/browse/HBASE-15554
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Performance
>            Reporter: Vladimir Rodionov
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15554.patch
>
>
> Accounts for 10% memory allocation in compaction thread when BloomFilterType is ROWCOL.



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

Mime
View raw message