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  1. Couchbase Server
  2. MB-37290

[Durability-Upgrade]: Durability fails with FeatureNotAvailable even after all kv nodes are upgraded to MH version

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    • Untriaged
    • Centos 64-bit
    • Unknown

    Description

       

      Initial build: 5.5.4-4338

      MH Build: 6.5.0-3939

       

      Scenario:

      • Initiate 3 node cluster (2 nodes only KV & 3rd node with index,query) using build 5.5.4-4338
      • Create Couchbase bucket with replica=1
      • Upgrade only the KV nodes to MH build (6.5.0-4947)
      • Try sync_write to the already created bucket

      Observation:

      Sync_write fails with reason com.couchbase.client.core.error.FeatureNotAvailableException.

      Expected behavior:

      Since durability depends only on KV nodes, syncWrite should succeed with all KV nodes are upgraded to MH build.

       

      Cluster status:
      +----------------+-------------+-----------------+------------+------------+-----------------------+-------------------+-----------------------+
      | Node           | Services    | CPU_utilization | Mem_total  | Mem_free   | Swap_mem_used         | Active / Replica  | Version               |
      +----------------+-------------+-----------------+------------+------------+-----------------------+-------------------+-----------------------+
      | 10.112.191.103 | index, n1ql | 0               | 1930829824 | 1190797312 | 0 / 1107292160        | 0 / 0             | 5.5.4-4338-enterprise |
      | 10.112.191.101 | kv          | 4.16666666667   | 1930829824 | 1431461888 | 38539264 / 1107292160 | 0 / 0             | 6.5.0-3939-enterprise |
      | 10.112.191.104 | kv          | 37.2340425532   | 1930829824 | 1298415616 | 0 / 1107292160        | 0 / 0             | 6.5.0-3939-enterprise |
      +----------------+-------------+-----------------+------------+------------+-----------------------+-------------------+-----------------------+2019-12-17 Bucket status:
      +---------+---------+----------+-----+-------+-----------+----------+-----------+
      | Bucket  | Type    | Replicas | TTL | Items | RAM Quota | RAM Used | Disk Used |
      +---------+---------+----------+-----+-------+-----------+----------+-----------+
      | default | membase | 1        | 0   | 0     | 209715200 | 95524408 | 27371646  |
      +---------+---------+----------+-----+-------+-----------+----------+-----------+2019-12-17 Doc loading result:
      +---------------+--------------------------------------------------------------------------------------------------------------------------------+
      | Create doc_Id | Exception                                                                                                                      |
      +---------------+--------------------------------------------------------------------------------------------------------------------------------+
      | test_docs-0   | com.couchbase.client.core.error.FeatureNotAvailableException: Synchronous Durability is currently not available on this bucket |
      +---------------+--------------------------------------------------------------------------------------------------------------------------------+
      

      Note: Behavior is same even while using latest MH builds.

       

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            ashwin.govindarajulu Ashwin Govindarajulu
            ashwin.govindarajulu Ashwin Govindarajulu
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            Dates

              Created:
              Updated:
              Resolved:

              PagerDuty