You are viewing a plain text version of this content. The canonical link for it is here.

Posted to commits@cassandra.apache.org by "Yuki Morishita (JIRA)" <ji...@apache.org> on 2013/12/05 19:57:35 UTC

[jira] [Created] (CASSANDRA-6455) Improve concurrency of repair process

Yuki Morishita created CASSANDRA-6455:
-----------------------------------------

             Summary: 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


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
(v6.1#6144)