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  1. Couchbase Server
  2. MB-55616

CDC: magma history file size goes significantly above history size window

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Details

    • Bug
    • Resolution: Not a Bug
    • Major
    • 7.2.0
    • 7.2.0
    • storage-engine
    • Untriaged
    • 0
    • Unknown

    Description

      When history retention size set to 100,000 bytes (97 bytes per vbucket), and pillowfight ran against the cluster, as below, the history size appears to go significantly above the history size window.

      ./cluster_run -n 1 --dont-rename &
      

      ./cluster_connect -n 1 -s 1024 -S magma
      

      curl -u Administrator:asdasd localhost:9000/pools/default/buckets/default -d historyRetentionBytes=100000 -d historyRetentionSeconds=10000
      

      ./cbc-pillowfight -U couchbase://127.0.0.1:12000/default -u Administrator -P asdasd -v --num-items 2048 -m 2 -M 10
      

      The following graph shows the maximum history file size of the vbuckets, as well as the overall history file size, divided by the number of vbuckets.

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            peter.searby Peter Searby
            peter.searby Peter Searby
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            Dates

              Created:
              Updated:
              Resolved:

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