uncleGen opened a new pull request #24283: [SPARK-27355][SS] Make query execution more sensitive to epoch message late or lost URL: https://github.com/apache/spark/pull/24283 ## What changes were proposed in this pull request? In SPARK-23503, we enforce sequencing of committed epochs for Continuous Execution. In case a message for epoch n is lost and epoch (n + 1) is ready for commit before epoch n is, epoch (n + 1) will wait for epoch n to be committed first. With extreme condition, we will wait for `epochBacklogQueueSize` (10000 in default) epochs and then failed. There is no need to wait for such a long time before query fail, and we can make the condition more sensitive. ## How was this patch tested? update existing unit tests.
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