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  1. Couchbase Kubernetes
  2. K8S-3472

Operator needs more robust way to detect outcome of graceful failover

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Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • 2.6.4
    • 2.6.4
    • operator
    • 9 - Cataclysm, 10 - Path of Vengeance
    • 4

    Description

      Currently the Operator uses the pools/default/tasks REST API to detect the outcome of graceful failover. In particular, if after a successful kick-off of graceful failover the tasks REST API reports that a rebalance with subtype gracefulFailover is "notRunning", the operation is deemed to have finished successfully.

      Unfortunately, this API is not completely reliable. In particular, if graceful-failover abruptly terminates (e.g. the orchestrator crashes) the tasks API will show that the graceful failover is not running and the Operator will incorrectly conclude that it finished successfully.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-61888 The Failover and Graceful Failover REST APIs should provide a way to assert the state of the cluster

          • Major - Major loss of function.
          • Open

          Page - A new page either standalone or within a series of pages must be added K8S-3446 Cloud Native 2.6.4 - Release Notes

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. K8S-3493 [Operator 2.6.4-109] No progress during delta recovery upgrade (7.2.5 -> 7.6.1) because of "Reconciliation failed" in operator

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          mentioned in

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          For Gerrit Dashboard: K8S-3472
          # Subject Branch Project Status CR V
          210209,2 K8S-3472: Improve graceful failover detection 2.6.x couchbase-operator Status: MERGED +2 +1

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              usamah.jassat Usamah Jassat
              dfinlay Dave Finlay
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              Dates

                Created:
                Updated:
                Resolved:

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