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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-5746) HHOM.countPendingHints is a trap for the unwary
Date Tue, 16 Jul 2013 20:34:49 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-5746:
--------------------------------------

    Fix Version/s:     (was: 2.0.1)
                   2.0 beta 2

Sounds good to me.  Let's try to get this into b2 so we don't rip it out of a stable release.
                
> HHOM.countPendingHints is a trap for the unwary
> -----------------------------------------------
>
>                 Key: CASSANDRA-5746
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5746
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core, Tools
>            Reporter: Jonathan Ellis
>            Assignee: Tyler Hobbs
>             Fix For: 2.0 beta 2
>
>
> countPendingHints can OOM the server fairly easily since it does a per-target seq scan
without paging.
> More generally, countPendingHints is far too slow to be useful for routine monitoring.

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