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From "Pau Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2795) Autodelete empty rows
Date Mon, 20 Jun 2011 10:57:47 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051924#comment-13051924
] 

Pau Rodriguez commented on CASSANDRA-2795:
------------------------------------------

In IRC {{ntelford}} tells me not to worry about this topic, ghosts rows size is too low to
worry about (little more than the size of the key). And reducing the compaction/flush timers
will likely hurt performance more than it'll improve it.

So I close this issue.

Sorry for the inconveniences.

> Autodelete empty rows
> ---------------------
>
>                 Key: CASSANDRA-2795
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2795
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core, Tools
>    Affects Versions: 0.8.0
>            Reporter: Pau Rodriguez
>
> In a system where every column expire using TTL. The rows persist, and they are empty.
> If is possible to also delete them if empty when last column had expired.
> I understand that this may be difficult to synchronize between all the cluster.
> If this behavior isn't good for all cases, maybe can be configured in a variable per
Column Family.
> Alternatively could be a tool to removed empty rows along all the cluster, the problem
to do that using the API is the time between the check is done and the remove is send.
> I think that is preferable to be done when last column has expired.
> Thanks in advance.

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