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  1. Couchbase Server
  2. MB-29188

cbbackupmgr restore makes almost no progress due to a large replication backlog on one of the nodes

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    Description

      Build 5.5.0-2432.

      Setup:

      • 2 nodes
      • 20GB memory quota
      • 1 bucket, full ejection

      Steps:

      /opt/couchbase/bin/cbbackupmgr restore --archive /backups --repo bigfun20M  --threads 16 --host http://172.23.96.5 --username Administrator --password password
      

      cbbackupmgr is trying to restore ~320M items. It started very well and successfully loaded almost 290M items. However, one of the nodes (172.23.96.5) accumulated a large number of items pending replication to the second node (172.23.96.7). At this point both replication and cbbackupmgr barely make any progress.

      I think this is similar to MB-27591.

      Attachments

        1. curr_items.png
          189 kB
          Pavel Paulau
        2. ep_dcp_replica_items_remaining.png
          204 kB
          Pavel Paulau

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              pavelpaulau Pavel Paulau (Inactive)
              pavelpaulau Pavel Paulau (Inactive)
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                Created:
                Updated:
                Resolved:

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