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  1. Couchbase Server
  2. MB-43380

upgrade to chronicle should be improved

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    Description

      1. avoid restarting ns_server during upgrade to chronicle, Per comments here: http://review.couchbase.org/c/ns_server/+/138203
      2. make sure that we can recover after aborted upgrade
      3. reset all caches that rely on chronicle events after the upgrade to chronicle
      To avoid this potential scenario:
       - a. Key is upgraded to chronicle
       - b. Key changed in chronicle
       - c. Cache refreshes, but from ns_config since the compat version is not changed yet
       - d. compat version changes to chronicle, but the change made in #2 is not cached
      4. make sure that no chronicle_kv events lost during the upgrade, Per comments here: http://review.couchbase.org/c/ns_server/+/134593

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MB-43379 make sure that no chronicle_kv events lost during the upgrade

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

          Bug - A problem which impairs or prevents the functions of the product. MB-43981 reset all caches that rely on chronicle events after the upgrade to chronicle

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

          Bug - A problem which impairs or prevents the functions of the product. MB-45698 ns-server won't start on some nodes after upgrade

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
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              sumedh.basarkod Sumedh Basarkod (Inactive)
              artem Artem Stemkovski
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                Updated:
                Resolved:

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