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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/07/05 14:28:07 UTC
[GitHub] [flink-kubernetes-operator] gyfora opened a new pull request, #294: [FLINK-28350] Always use savepoint when switching between Flink versions
gyfora opened a new pull request, #294:
URL: https://github.com/apache/flink-kubernetes-operator/pull/294
As HA metadata is not always compatible (for example Flink 1.14 <-> 1.15) we should always take a savepoint between version upgrades and not allow rollbacks.
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[GitHub] [flink-kubernetes-operator] gyfora commented on pull request #294: [FLINK-28350] Always use savepoint when switching between Flink versions
Posted by GitBox <gi...@apache.org>.
gyfora commented on PR #294:
URL: https://github.com/apache/flink-kubernetes-operator/pull/294#issuecomment-1176143861
@morhidi For rollbacks only HA metadata can be used (because if a savepoint can be taken then the job is running and stable so won't be rolled back). And between versions we cannot use HA metadata so rollbacks are not possible.
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[GitHub] [flink-kubernetes-operator] morhidi commented on pull request #294: [FLINK-28350] Always use savepoint when switching between Flink versions
Posted by GitBox <gi...@apache.org>.
morhidi commented on PR #294:
URL: https://github.com/apache/flink-kubernetes-operator/pull/294#issuecomment-1175976869
The PR looks good @gyfora , cloud you please shed some light on why we don't allow rolling back on version changes?
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[GitHub] [flink-kubernetes-operator] gyfora commented on pull request #294: [FLINK-28350] Always use savepoint when switching between Flink versions
Posted by GitBox <gi...@apache.org>.
gyfora commented on PR #294:
URL: https://github.com/apache/flink-kubernetes-operator/pull/294#issuecomment-1175127686
cc @morhidi
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[GitHub] [flink-kubernetes-operator] gyfora merged pull request #294: [FLINK-28350] Always use savepoint when switching between Flink versions
Posted by GitBox <gi...@apache.org>.
gyfora merged PR #294:
URL: https://github.com/apache/flink-kubernetes-operator/pull/294
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