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  1. Couchbase Server
  2. MB-60766

Rebalance failing transiently during scaling out of indexer nodes in capella environment

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Details

    • Bug
    • Resolution: User Error
    • Critical
    • 7.6.0
    • 7.6.0
    • ns_server
    • None
    • Untriaged
    • 0
    • Unknown

    Description

      During the scaling out operation of the indexer nodes the below rebalance failure appears transiently before eventually succeeding(in capella environment on AWS machines)

      Rebalance exited with reason {service_rebalance_failed,index,
      {agent_died,<36982.3326.0>,noconnection}}.
      Rebalance Operation Id = f7872485ea18986202c876adbd644689 

      Steps to repro

      • Initialise a 8 node cluster with following config - kv:n1ql-kv:n1ql-kv:n1ql-index-index-index-index-index
      • Create a bucket with scopes and collection and load docs and create indexes
      • Trigger a scale out operation wherein two indexer nodes are added to the cluster
      • During this operation it is observed that the rebalance fails transiently

      Logs -
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-dq-node-001.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-dq-node-002.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-dq-node-003.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-004.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-005.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-006.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-007.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-008.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-009.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip
      https://cb-engineering.s3.amazonaws.com/yash-test/collectinfo-2024-02-12T112607-ns_1%40svc-i-node-010.k6n16c70v7uyqsyl.sandbox.nonprod-project-avengers.com.zip

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            yash.dodderi Yash Dodderi
            yash.dodderi Yash Dodderi
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            Dates

              Created:
              Updated:
              Resolved:

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