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https://issues.apache.org/jira/browse/CASSANDRA-14523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520414#comment-16520414
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ASF GitHub Bot commented on CASSANDRA-14523:
--------------------------------------------
GitHub user clohfink opened a pull request:
https://github.com/apache/cassandra/pull/237
Virtual table of thread pool stats for CASSANDRA-14523
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clohfink/cassandra virtual_tpstats
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cassandra/pull/237.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #237
----
commit 3d1d75e014b6262a4c37e9eb607559825a945d4d
Author: Chris Lohfink <clohfink@...>
Date: 2018-06-14T06:45:06Z
wip
commit 7b6762f9ddb4afcec458134dd32dbb46cccfcc3e
Author: Chris Lohfink <clohfink@...>
Date: 2018-06-14T19:09:26Z
wip
----
> Thread pool stats virtual table
> -------------------------------
>
> Key: CASSANDRA-14523
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14523
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Chris Lohfink
> Assignee: Chris Lohfink
> Priority: Minor
> Labels: virtual-tables
>
> Expose the thread pools like in status logger/tpstats. Additionally be nice
> to include the scheduled executor pools that are currently unmonitored.
> {code:java}
> cqlsh> select * from system_views.thread_pools;
> thread_pool | active | active_max | completed | pending
> | tasks_blocked | total_blocked
> ----------------------------------+--------+------------+-----------+---------+---------------+---------------
> anti_entropy_stage | 0 | 1 | 0 | 0
> | 0 | 0
> cache_cleanup_executor | 0 | 1 | 0 | 0
> | 0 | 0
> compaction_executor | 0 | 4 | 41 | 0
> | 0 | 0
> counter_mutation_stage | 0 | 32 | 0 | 0
> | 0 | 0
> gossip_stage | 0 | 1 | 0 | 0
> | 0 | 0
> hints_dispatcher | 0 | 2 | 0 | 0
> | 0 | 0
> internal_response_stage | 0 | 8 | 0 | 0
> | 0 | 0
> memtable_flush_writer | 0 | 2 | 5 | 0
> | 0 | 0
> memtable_post_flush | 0 | 1 | 20 | 0
> | 0 | 0
> memtable_reclaim_memory | 0 | 1 | 5 | 0
> | 0 | 0
> migration_stage | 0 | 1 | 0 | 0
> | 0 | 0
> misc_stage | 0 | 1 | 0 | 0
> | 0 | 0
> mutation_stage | 0 | 32 | 247 | 0
> | 0 | 0
> native_transport_requests | 1 | 128 | 28 | 0
> | 0 | 0
> pending_range_calculator | 0 | 1 | 2 | 0
> | 0 | 0
> per_disk_memtable_flush_writer_0 | 0 | 2 | 5 | 0
> | 0 | 0
> read_repair_stage | 0 | 8 | 0 | 0
> | 0 | 0
> read_stage | 0 | 32 | 13 | 0
> | 0 | 0
> repair_task | 0 | 2147483647 | 0 | 0
> | 0 | 0
> request_response_stage | 0 | 8 | 0 | 0
> | 0 | 0
> sampler | 0 | 1 | 0 | 0
> | 0 | 0
> scheduled_fast_tasks | 0 | 2147483647 | 1398 | 1
> | 0 | 0
> scheduled_heartbeat | 0 | 2147483647 | 14 | 1
> | 0 | 0
> scheduled_hotness_tracker | 0 | 2147483647 | 0 | 1
> | 0 | 0
> scheduled_non_periodic_tasks | 0 | 2147483647 | 10 | 0
> | 0 | 0
> scheduled_optional_tasks | 0 | 2147483647 | 5 | 8
> | 0 | 0
> scheduled_summary_builder | 0 | 2147483647 | 0 | 1
> | 0 | 0
> scheduled_tasks | 0 | 2147483647 | 194 | 74
> | 0 | 0
> secondary_index_management | 0 | 1 | 0 | 0
> | 0 | 0
> validation_executor | 0 | 2147483647 | 0 | 0
> | 0 | 0
> view_build_executor | 0 | 1 | 0 | 0
> | 0 | 0
> view_mutation_stage | 0 | 32 | 0 | 0
> | 0 | 0
> {code}
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