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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4753) Timeout reporter writes hints for the local node
Date Tue, 20 Nov 2012 21:20:58 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501479#comment-13501479
] 

Jonathan Ellis commented on CASSANDRA-4753:
-------------------------------------------

Here is one solution.

- Created LocalMutationRunnable that retries with hint backpressure if it gets dropped
- Added an updated v3, with an additional assert to make sure we don't introduce a bug if
we decide to allow using the coordinator as a batchlog member in non-single-node clusters
                
> Timeout reporter writes hints for the local node
> ------------------------------------------------
>
>                 Key: CASSANDRA-4753
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4753
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2.0
>
>         Attachments: 4753.txt, 4753-v2.txt, 4753-v3.txt
>
>
> MessagingService.java:330 calls StorageProxy.scheduleLocalHint() without checking if
the local node is the target. This causes StorageProxy.scheduleLocalHint to throw AssertionError
sometimes.
> Got this error when some batches are timed out. This can happen because even local batches
now go through StorageProxy.sendMessages and aren't just rm.apply()'d.

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