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Posted to commits@cassandra.apache.org by "Marcus Eriksson (JIRA)" <ji...@apache.org> on 2016/03/07 14:55:40 UTC
[jira] [Updated] (CASSANDRA-10805) Additional Compaction Logging
[ https://issues.apache.org/jira/browse/CASSANDRA-10805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcus Eriksson updated CASSANDRA-10805:
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Fix Version/s: 3.x
> Additional Compaction Logging
> -----------------------------
>
> Key: CASSANDRA-10805
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10805
> Project: Cassandra
> Issue Type: New Feature
> Components: Compaction, Observability
> Reporter: Carl Yeksigian
> Assignee: Carl Yeksigian
> Priority: Minor
> Fix For: 3.x
>
>
> Currently, viewing the results of past compactions requires parsing the log and looking at the compaction history system table, which doesn't have information about, for example, flushed sstables not previously compacted.
> This is a proposal to extend the information captured for compaction. Initially, this would be done through a JMX call, but if it proves to be useful and not much overhead, it might be a feature that could be enabled for the compaction strategy all the time.
> Initial log information would include:
> - The compaction strategy type controlling each column family
> - The set of sstables included in each compaction strategy
> - Information about flushes and compactions, including times and all involved sstables
> - Information about sstables, including generation, size, and tokens
> - Any additional metadata the strategy wishes to add to a compaction or an sstable, like the level of an sstable or the type of compaction being performed
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