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  1. Couchbase Server
  2. MB-27966

[System Testing] Unable to undeploy doc timer while running mutations

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Details

    • Bug
    • Resolution: Fixed
    • Test Blocker
    • 5.5.0
    • 5.5.0
    • eventing
    • Local burito cluster
      172.16.12.67 -> eventing
      172.16.12.68 -> data

    Description

      Steps :

      • Create 2 node cluster with one eventing and one KV
      • Create 6 buckets for source and destination buckets , 1 Meta data
      • Deploy 3 functions bucket op, cron timer, doc timer
      • Start populating data in source buckets , wait till all the buckets have  around 50K documents
      • Deploy all three handler codes
      • Wait till bucket has around 600k documents 
      • Undeploy all the methods in the following order bucket op, cron timers, doc timers

      Note:- Mutations are always running

      Observations:

      Stats after undeploying all the handlers 

      [
      {
      "event_processing_stats": {
      "CRON_TIMER_EVENTS": 1350853,
      "DCP_DELETION": 1350853,
      "DCP_MUTATION": 2159606,
      "DCP_SNAPSHOT": 1578578,
      "DCP_STREAMREQ": 1024,
      "DOC_TIMER_EVENTS": 958403,
      "TIMERS_IN_PAST": 178266
      },
      "events_remaining": {
      "dcp_backlog": 0
      },
      "execution_stats": {
      "agg_queue_size": 0,
      "doc_timer_create_failure": 64534,
      "on_delete_failure": 0,
      "on_delete_success": 1220542,
      "on_update_failure": 0,
      "on_update_success": 954028
      },
      "failure_stats": {
      "bucket_op_exception_count": 342207,
      "checkpoint_failure_count": 0,
      "n1ql_op_exception_count": 0,
      "timeout_count": 0
      },
      "function_name": "doc_timer_op",
      "lcb_exception_stats": {
      "13": 342207
      },
      "planner_stats": [
      {
      "host_name": "172.16.12.67:8096",
      "start_vb": 0,
      "vb_count": 1024
      }
      ],
      "vb_distribution_stats": {
      "172.16.12.67:8096": {
      "worker_doc_timer_op_0": "[0-170]",
      "worker_doc_timer_op_1": "[171-341]",
      "worker_doc_timer_op_2": "[342-512]",
      "worker_doc_timer_op_3": "[513-683]",
      "worker_doc_timer_op_4": "[684-853]",
      "worker_doc_timer_op_5": "[854-1023]"
      }
      },
      "worker_pids": {
      "worker_doc_timer_op_0": 18837,
      "worker_doc_timer_op_1": 18838,
      "worker_doc_timer_op_2": 18839,
      "worker_doc_timer_op_3": 18840,
      "worker_doc_timer_op_4": 18841,
      "worker_doc_timer_op_5": 18842
      }
      }
      ]

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            asingh Abhishek Singh (Inactive)
            vikas.chaudhary Vikas Chaudhary
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            Dates

              Created:
              Updated:
              Resolved:

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