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https://issues.apache.org/jira/browse/CASSANDRA-406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752777#action_12752777
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Jonathan Ellis commented on CASSANDRA-406:
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Map<String, String> getDataLocationSpaceInfo()
should be <String, Long> -- just give the raw byte count, let the consuming
agent decide how to reformat if at all.
also -- to play devil's advocate, should this really be in cassandra?
am-i-running-out-of-disk-space is better gotten from the OS which actually
knows the device layout.
Map<String, Long> getSSTablesInfo()
I'm having trouble imagining how this would be useful. What did you have in
mind?
int getQueueLengthOfSSTableLock
note that CASSANDRA-414 will probably be removing sstablelock Real Soon Now.
Map<Long, List<String>> getCompactionBucketInfo
It seems to me that we need min/max/mean/stdev for this to really be useful,
not just mean. What do you think?
> SSTable File Metrics per CF
> ---------------------------
>
> Key: CASSANDRA-406
> URL: https://issues.apache.org/jira/browse/CASSANDRA-406
> Project: Cassandra
> Issue Type: New Feature
> Affects Versions: 0.5
> Reporter: Chris Goffinet
> Assignee: Sammy Yu
> Priority: Minor
> Fix For: 0.5
>
> Attachments:
> 0001-Expose-out-queue-length-of-sstable-lock-in-MBean-int.patch,
> 0002-CASSANDRA-406-Added-sstable-and-data-location-instru.patch
>
>
> We should add sstable-physical-files per CF in cfstats mbean
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