cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Yuki Morishita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6455) Improve concurrency of repair process
Date Tue, 07 Oct 2014 16:27:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162072#comment-14162072
] 

Yuki Morishita commented on CASSANDRA-6455:
-------------------------------------------

CASSANDRA-7795 is one that I improved to prevent OOM during streaming.

> Improve concurrency of repair process
> -------------------------------------
>
>                 Key: CASSANDRA-6455
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6455
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Yuki Morishita
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 3.0
>
>         Attachments: 6455-3.0-v2.txt, 6455-3.0.txt, 6455.txt
>
>
> Currently, most of the repair tasks (taking snapshots, send/receiving merkle tree, compute
MT difference, etc) are done on single threaded AntiEntropyStage.
> This causes a problem like CASSANDRA-6415 and likely to cause unnecessary wait.
> Also, repair is done one CF at the time. I think we can parallelize this(concurrency
is configurable by a user based on # of CF and load of the nodes) for faster processing.



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

Mime
View raw message