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From "Robert Coli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9643) Warn when an extra-large partition is compacted
Date Thu, 09 Jul 2015 18:11:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14620964#comment-14620964
] 

Robert Coli commented on CASSANDRA-9643:
----------------------------------------

Just a quick comment to say "thanks" on behalf of operators and those in the "support" community;
this message is very useful when dealing with people having problems with imperfect schema
design.

> Warn when an extra-large partition is compacted
> -----------------------------------------------
>
>                 Key: CASSANDRA-9643
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9643
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Stefania
>             Fix For: 2.2.0 rc2, 2.1.8
>
>
> We used to log a warning when compacting an extra-large partition (CompactionController.getCompactedRow)
but took that out as part of CASSANDRA-6142.  Let's add back a warning.  (Perhaps in SSTW.append,
since MetadataCollector.update doesn't know the partition key and we will want to include
that in the log.)
> Size threshold should be configurable in cassandra.yaml and default to 100MB.



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