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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-2182) Cassandra doesn't startup on single core boxes.
Date Thu, 17 Feb 2011 17:23:24 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12995936#comment-12995936
] 

Hudson commented on CASSANDRA-2182:
-----------------------------------

Integrated in Cassandra-0.7 #287 (See [https://hudson.apache.org/hudson/job/Cassandra-0.7/287/])
    read repair stage requires a minimum of 2 threads
patch by tjake for CASSANDRA-2182


> Cassandra doesn't startup on single core boxes.
> -----------------------------------------------
>
>                 Key: CASSANDRA-2182
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2182
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.3
>            Reporter: T Jake Luciani
>            Assignee: T Jake Luciani
>            Priority: Minor
>             Fix For: 0.7.3
>
>         Attachments: 0001-CASSANDRA-2182-rr-pool-needs-at-least-two-threads.txt
>
>
> I happened to run cassandra in a VM and got the following error, caused by the single
core:
> ERROR 10:47:30,304 Exception encountered during startup.
> java.lang.AssertionError: multi-threaded stages must have at least 2 threads
>         at org.apache.cassandra.concurrent.StageManager.multiThreadedStage(StageManager.java:60)
>         at org.apache.cassandra.concurrent.StageManager.<clinit>(StageManager.java:53)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:303)
>         at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:159)
>         at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:175)
>         at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:316)
>         at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:79)

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