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  1. Couchbase Server
  2. MB-49631

SystemEventLogs: MemcachedConfigChanged event not raised while updating the 'flusher_total_batch_limit' value

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    Description

      Build: 7.1.0-1737

      Scenario:

      1. Single node cluster, couchbase bucket(replica=0)
      2. Update memcached param 'flusher_total_batch_limit' using diag_eval

        ns_bucket:update_bucket_props("<bucket_name", [{extra_config_string, "flusher_total_batch_limit=5"}]).

      Observation:

      Not seeing any system event wrt memcached config updates. But I see the value update using "cbstats all" command

      cbstats output:

      [root@node1-cb700-centos7 ~]# /opt/couchbase/bin/cbstats -u Administrator -p password localhost:11210 all  | grep flush
       cmd_flush:                                                 0
       ep_flush_duration_total:                                   3014
       ep_flusher_state:                                          running
       ep_flusher_todo:                                           0
       ep_flusher_total_batch_limit:                              5
       ep_io_flusher_write_amplification:                         0
       ep_item_flush_expired:                                     0
       ep_item_flush_failed:                                      0
       ep_magma_flusher_thread_percentage:                        20
       ep_max_num_flushers:                                       0

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            hareen.kancharla Hareen Kancharla
            ashwin.govindarajulu Ashwin Govindarajulu
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              Updated:
              Resolved:

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