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From "Yuki Morishita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9119) Nodetool rebuild creates an additional rebuild session even if there is one already running
Date Wed, 10 Jun 2015 20:17:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14581014#comment-14581014
] 

Yuki Morishita commented on CASSANDRA-9119:
-------------------------------------------

Patch here: https://github.com/yukim/cassandra/tree/9119
dtest is added for the patch: https://github.com/yukim/cassandra-dtest/tree/rebuild_test
(dtest pull request here: https://github.com/riptano/cassandra-dtest/pull/319)

> Nodetool rebuild creates an additional rebuild session even if there is one already running
> -------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-9119
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9119
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Cassandra 2.0.12.200
> Cassandra 2.1.2.98
>            Reporter: Jose Martinez Poblete
>            Assignee: Yuki Morishita
>             Fix For: 2.1.x
>
>
> If a nodetool rebuild session is started and the shell session is finished for whatever
reason, a second nodetool rebuild will spawn a second rebuild filestream
> {noformat}
> DC2-S1-100-29:~ # ps aux | grep nodetool 
> root 10304 0.0 0.0 4532 560 pts/3 S+ 05:23 0:00 grep nodetool 
> dds-user 20946 0.0 0.0 21180 1880 ? S 04:39 0:00 /bin/sh /usr/share/dse/resources/cassandra/bin/nodetool
rebuild group10 <---- there is only one rebuild running
> DC2-S1-100-29:~ # nodetool netstats | grep -v /var/local/cassandra 
> Mode: NORMAL 
> Rebuild 818307b0-d9ba-11e4-8d4c-7bce93ffad70 <------ does this represent one rebuild?

> /10.96.100.22 
> Receiving 63 files, 221542605741 bytes total 
> /10.96.100.26 
> Receiving 48 files, 47712285610 bytes total 
> /10.96.100.25 
> /10.96.100.23 
> Receiving 57 files, 127515362783 bytes total 
> /10.96.100.27 
> /10.96.100.24 
> Rebuild 7bf9fcd0-d9bb-11e4-8d4c-7bce93ffad70 <------- does this represent a second
rebuild? 
> /10.96.100.25 
> /10.96.100.26 
> Receiving 56 files, 47717905924 bytes total 
> /10.96.100.24 
> /10.96.100.22 
> Receiving 61 files, 221558642440 bytes total 
> /10.96.100.23 
> Receiving 62 files, 127528841272 bytes total 
> /10.96.100.27 
> Read Repair Statistics: 
> Attempted: 0 
> Mismatch (Blocking): 0 
> Mismatch (Background): 0 
> Pool Name Active Pending Completed 
> Commands n/a 0 2151322 
> Responses n/a 0 3343981
> {noformat}



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