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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2011/06/10 18:28:59 UTC

[jira] [Commented] (CASSANDRA-2759) Scrub could lose increments and replicate that loss

    [ https://issues.apache.org/jira/browse/CASSANDRA-2759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047273#comment-13047273 ] 

Jonathan Ellis commented on CASSANDRA-2759:
-------------------------------------------

what is "renewing a node id?"

> Scrub could lose increments and replicate that loss
> ---------------------------------------------------
>
>                 Key: CASSANDRA-2759
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2759
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.0
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>              Labels: counters
>             Fix For: 0.8.1
>
>         Attachments: 0001-Renew-nodeId-in-scrub-when-skipping-rows.patch
>
>
> If scrub cannot 'repair' a corrupted row, it will skip it. On node A, if the row contains some sub-count for A id, those will be lost forever since A is the source of truth on it's current id. We should thus renew node A id when that happens to avoid this (not unlike we do in cleanup).

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