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https://issues.apache.org/jira/browse/CASSANDRA-7866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Stupp resolved CASSANDRA-7866.
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Resolution: Duplicate
Resolving as duplicate for now.
[~tecbot] feel free to reopen or comment on CASSANDRA-7239 if the issue still
exists.
> Negative space stats
> --------------------
>
> Key: CASSANDRA-7866
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7866
> Project: Cassandra
> Issue Type: Bug
> Reporter: Thomas Adam
>
> Hi folks,
> I played with the 2.1.0rc7 and observed wrong space/load stats after some
> compactions.
> {code}
> $ bin/nodetool status bench_1
> UN 10.2.0.133 -111945897565 bytes 256 42,7%
> f2d14317-b52c-4d0a-9276-0ac71c263269 rack1
> UN 10.2.0.134 -74341626598 bytes 256 43,0%
> 6e263f2e-2220-4c14-8bb1-f8d55aceb25c rack1
> UN 10.2.0.135 -81553517188 bytes 256 44,4%
> bae17a16-e541-47bf-af5c-2a98dbfa6db5 rack1
> UN 10.2.0.136 -112538823395 bytes 256 42,3%
> 40ec60db-7566-46a4-a87d-39e7cdad7568 rack1
> UN 10.2.0.137 -52321927763 bytes 256 41,4%
> 97c5bcc3-2ecf-4305-abed-3f5e4cc434e5 rack1
> UN 10.2.0.138 -1451999899 bytes 256 41,6%
> 8a15196e-9acb-41a6-b1f1-0e24e47bfa5a rack1
> UN 10.2.0.139 -121058278557 bytes 256 44,6%
> 05a06af8-6cd3-47b8-8e24-2660064d265c rack1
> {code}
> {code}
> $ bin/nodetool cfstats bench_1.assoc_list
> Keyspace: bench_1
> Read Count: 177810
> Read Latency: 0.8124693324334964 ms.
> Write Count: 9726101
> Write Latency: 0.014907714818096173 ms.
> Pending Flushes: 0
> Table: assoc_list
> SSTable count: 9
> Space used (live), bytes: -773872869
> Space used (total), bytes: -773872869
> Space used by snapshots (total), bytes: 0
> SSTable Compression Ratio: 0.33017935017332883
> Memtable cell count: 789054
> Memtable data size, bytes: 56618328
> Memtable switch count: 18
> Local read count: 177812
> Local read latency: 0,813 ms
> Local write count: 9726127
> Local write latency: 0,015 ms
> Pending flushes: 0
> Bloom filter false positives: 2522
> Bloom filter false ratio: 0,05585
> Bloom filter space used, bytes: 5030400
> Compacted partition minimum bytes: 150
> Compacted partition maximum bytes: 25109160
> Compacted partition mean bytes: 12720
> Average live cells per slice (last five minutes):
> 30.33307088385486
> Average tombstones per slice (last five minutes): 0.0
> {code}
> Regards,
> Thomas
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