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Posted to commits@cassandra.apache.org by "Stu Hood (JIRA)" <ji...@apache.org> on 2010/08/17 23:40:15 UTC
[jira] Created: (CASSANDRA-1404) Allow 'nodetool cleanup' to run
when disk is more than 50% full
Allow 'nodetool cleanup' to run when disk is more than 50% full
---------------------------------------------------------------
Key: CASSANDRA-1404
URL: https://issues.apache.org/jira/browse/CASSANDRA-1404
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Stu Hood
Priority: Minor
Compaction sums the sizes of all ranges to estimate the output size in order to pick a target drive. Anti-compactions directly drop ranges from sstables, and the volume of data dropped can easily be calculated using the SSTable index. Using this knowledge in our estimate in ColumnFamilyStore.getExpectedCompactedFileSize would allow 'nodetool cleanup' to run when less than 50% of disk is available, in the case where ranges are being dropped (post node-move).
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[jira] Updated: (CASSANDRA-1404) Allow 'nodetool cleanup' to run
when disk is more than 50% full
Posted by "Stu Hood (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CASSANDRA-1404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stu Hood updated CASSANDRA-1404:
--------------------------------
Fix Version/s: 0.7.1
> Allow 'nodetool cleanup' to run when disk is more than 50% full
> ---------------------------------------------------------------
>
> Key: CASSANDRA-1404
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1404
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Stu Hood
> Priority: Minor
> Fix For: 0.7.1
>
>
> Compaction sums the sizes of all ranges to estimate the output size in order to pick a target drive. Anti-compactions directly drop ranges from sstables, and the volume of data dropped can easily be calculated using the SSTable index. Using this knowledge in our estimate in ColumnFamilyStore.getExpectedCompactedFileSize would allow 'nodetool cleanup' to run when less than 50% of disk is available, in the case where ranges are being dropped (post node-move).
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