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Posted to commits@cassandra.apache.org by "Sammy Yu (JIRA)" <ji...@apache.org> on 2009/10/08 22:51:31 UTC
[jira] Updated: (CASSANDRA-482) Expose out additional metrics for
the thread pools: active threads, pool size, and completed tasks
[ https://issues.apache.org/jira/browse/CASSANDRA-482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sammy Yu updated CASSANDRA-482:
-------------------------------
Attachment: 0001--CASSANDRA-482-Expose-out-additional-metrics-for-th.patch
The new output of tpstats (disregard the spacing):
Pool Name Active Size Pending Completed
MESSAGING-SERVICE-POOL 0 4 0 0
FILEUTILS-DELETE-POOL 0 1 0 0
RESPONSE-STAGE 0 4 0 0
BOOT-STRAPPER 0 1 0 0
ROW-READ-STAGE 0 8 0 0
LB-OPERATIONS 0 1 0 0
COMMITLOG 1 1 0 344
GMFD 0 1 0 0
MESSAGE-DESERIALIZER-POOL 0 4 0 0
LB-TARGET 0 1 0 0
CONSISTENCY-MANAGER 0 4 0 0
ROW-MUTATION-STAGE 0 32 0 0
MESSAGE-STREAMING-POOL 0 1 0 0
LOAD-BALANCER-STAGE 0 1 0 0
FLUSH-SORTER-POOL 0 1 0 0
MEMTABLE-POST-FLUSHER 0 1 0 0
COMPACTION-POOL 0 1 0 4
FLUSH-WRITER-POOL 0 2 0 0
HINTED-HANDOFF-POOL 0 1 0 0
The CommitLogExecutorService mapping hacks probably need to be looked at.
> Expose out additional metrics for the thread pools: active threads, pool size, and completed tasks
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-482
> URL: https://issues.apache.org/jira/browse/CASSANDRA-482
> Project: Cassandra
> Issue Type: New Feature
> Affects Versions: 0.5
> Reporter: Sammy Yu
> Assignee: Sammy Yu
> Attachments: 0001--CASSANDRA-482-Expose-out-additional-metrics-for-th.patch
>
>
> It would be nice to expose out additional metrics in the threadpools via nodeprobe's tpstats to understand how busy the system is.
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