Miscellaneous minor improvements in stream SAC coordinator (backport #14106) #14107
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This commit handles edge cases in the stream SAC coordinator to make sure it does not crash during execution. Most of these edge cases consist in an inconsistent state, so there are very unlikely to happen. This commit also makes sure there is no duplicate in the consumer list of a group. Consumers are also now identified only by their connection PID and their subscription ID, as now the timestamp they contain in their state does not allow a field-by-field comparison. (cherry picked from commit b4f7d46)
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This commit handles edge cases in the stream SAC coordinator to make sure it does not crash during execution. Most of these edge cases consist in an inconsistent state, so there are very unlikely to happen.
This commit also makes sure there is no duplicate in the consumer list of a group. Consumers are also now identified only by their connection PID and their subscription ID, as now the timestamp they contain in their state does not allow a field-by-field comparison.
This is an automatic backport of pull request #14106 done by Mergify.