tigerquoll commented on issue #1546: METRON-2239 Metron Automated backup and restore URL: https://github.com/apache/metron/pull/1546#issuecomment-550076315 +1 (non-binding) I gave these scripts a test when updating Metron 0.7.1 (HDP 2.6) -> Metron HDP 3.1 support branch. They worked well, though I only setup Metron 0.71 with a handful of tutorial/walkthroughs beforehand, so the updated fresh Metron install was similar in respects to the configuration I updated it to. There could be edge cases not covered by a simple upgrade test (such as a larger version upgrade jump). But it's definitely better having the scripts than not having them. For any serious production upgrade I would recommend: 1. Use the script to pull the configuration of the existing Metron install 2. Using the script to pull the configuration down from a freshly installed Metron update, 2. Manually comparing / updating the differences in the pulled configuration files 3. Using the script to push the updated configurations into the upgraded cluster that has the freshly installed Metron/Mpack on it.
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