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  1. Cassandra
  2. CASSANDRA-14523

Thread pool stats virtual table

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Low
    • Resolution: Fixed
    • Fix Version/s: 4.0
    • Component/s: None
    • Labels:

      Description

      Expose the thread pools like in status logger/tpstats. Additionally be nice to include the scheduled executor pools that are currently unmonitored.

      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
      

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              • Assignee:
                cnlwsu Chris Lohfink
                Reporter:
                cnlwsu Chris Lohfink
                Authors:
                Chris Lohfink
                Reviewers:
                Aleksey Yeschenko
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                Dates

                • Created:
                  Updated:
                  Resolved: