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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-1112) broker can not start itself after kafka is killed with -9
Date Tue, 05 Nov 2013 18:57:19 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13814134#comment-13814134

Guozhang Wang commented on KAFKA-1112:

Attached another stack trace with more debugging turned on. The root cause is that when we
load the index file, the initial size is set to the limit of the file, and hence the position
is pointing to the last entry. In most cases the last entry will be 0, and the recoveryLog
process will skip since it shows the latest offset is smaller than the checkpoint. But when
doing the sanity check it finds the number of entries is non-zero (actually the max number
of entries) while the last offset is equal to the base offset since reading the last entry
gives you 0 relative offset.

> broker can not start itself after kafka is killed with -9
> ---------------------------------------------------------
>                 Key: KAFKA-1112
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1112
>             Project: Kafka
>          Issue Type: Bug
>          Components: log
>    Affects Versions: 0.8, 0.8.1
>            Reporter: Kane Kim
>            Assignee: Jay Kreps
>            Priority: Critical
> When I kill kafka with -9, broker cannot start itself because of corrupted index logs.
I think kafka should try to delete/rebuild indexes itself without manual intervention. 

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