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From "Eric Evans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-78) Interrupted recovery requires manual intervention to fix
Date Mon, 04 May 2009 15:53:31 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-78?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705634#action_12705634
] 

Eric Evans commented on CASSANDRA-78:
-------------------------------------

+1

> Interrupted recovery requires manual intervention to fix
> --------------------------------------------------------
>
>                 Key: CASSANDRA-78
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-78
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Critical
>             Fix For: 0.3
>
>         Attachments: 0001-clean-up-anticompaction-code-a-little.patch, 0002-use-getTempFileName-closeRename-to-avoid-problems.patch
>
>
> Originally reported by Alexander Staubo: "If you kill the server while it is going through
its initial "row recovery" phase, you risk ending up with a database that's corrupt and will
fail with "negative seek" exceptions and similar."
> Prashant replied:
> "The commit logs are only deleted after a successful recovery. You should still have
teh commit log if u killed the server while recovering ? When u restart the server it should
generate a new file , for compactions we name intermediate files with a .tmp and only on successful
dump do we place them as usable files , this same logic is required at recovery and there
is a fix coming up which will do it .
> "So with the state that u have today there will  be no data loss ass commit logs still
exist but its a round about process to recover it since now u haave to delete the intermediate
file and then do teh recovery again."

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