cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7866) Negative space stats
Date Wed, 03 Sep 2014 10:03:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119718#comment-14119718
] 

Robert Stupp commented on CASSANDRA-7866:
-----------------------------------------

/cc [~krummas]

> 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



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message