Uploaded image for project: 'Couchbase Server'
  1. Couchbase Server
  2. MB-62075

[Backport] Incorrect computation of nodes to add and remove list

    XMLWordPrintable

Details

    • Bug
    • Resolution: Fixed
    • Critical
    • 7.2.6
    • 7.2.5
    • fts
    • Untriaged
    • 0
    • Unknown

    Description

      Found an issue where the computation of the nodes to add/remove lists is incorrect.

      A recovery rebalance(no topology change) is being incorrectly represented as a rebalance-in operation(adding a node) as seen in CBSE-16450. 

       

      To ensure the correct computation of the nodes to add/remove lists, some changes need to be adapted from trinity, specifically:

      1. https://review.couchbase.org/c/cbgt/+/188858 - tracks the previous member node UUIDs on all nodes in the cluster, which are required as a pre-requisite to compute the nodes to add/remove lists.
      2. https://review.couchbase.org/c/cbgt/+/207290 - computes the nodes to add/remove lists based on the change topology request sent by ns_server, instead of relying only on the node defs stored in cfg,

      Attachments

        Issue Links

          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

              sarthak.dua Sarthak Dua
              aditi.ahuja Aditi Ahuja
              Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There are no open Gerrit changes

                  PagerDuty