sekingme opened a new pull request #8281: Add realization for updating version of derived segments in Materiali… URL: https://github.com/apache/incubator-druid/pull/8281 Some function has not been realized in MaterializedViewSupervisor.checkSegments. Check the comment: **2) version of derived segments isn't the max(created_date) of all base segments** So add realization for it： update version of derived segments if isn't the max (created_date) of all base segments.And prevent exception of "user supplied segments list did not match with segments list obtained from db" This function has been check for 3 months in out druid cluster of 105 nodes. <hr> This PR has: - [x ] been self-reviewed. - [x ] added comments explaining the "why" and the intent of the code wherever would not be obvious for an unfamiliar reader. - [x ] added integration tests. - [x ] been tested in a test Druid cluster. <hr> ##### Key changed/added classes in this PR * `MaterializedViewSupervisor`
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