[BEAM-6733] Add pipeline option to flush bundle data before checkpointing #11678
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Run Python Load Tests ParDo Flink Streaming |
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Run Python Load Tests ParDo Flink Streaming |
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Had to rebase due to merge conflicts with the new website. |
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Run Python Load Tests ParDo Flink Streaming |
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Based on the load test results, I'm not changing the default behavior here. Instead, flushing the bundle output before a checkpoint can be turned on optionally. |
…ting We had a couple of PRs in which we wanted to remove the buffering of bundle output during checkpointing: apache#7940 apache#9652. Ultimately, we didn't merge any of those because we weren't sure how the change would affect the checkpoint performance. As a better migration path, this introduces a pipeline option to change the default, buffering bundle output during checkpointing, to finishing the bundle and flushing all data before checkpointing.
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Run Python2_PVR_Flink PreCommit |
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After more test runs, it looks like the effect of finishing the bundle before the checkpoint is marginal / non-existent. However, we will have to run more experiments to change it to be the default. The option will be useful for the testing. |
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We had a couple of PRs in which we wanted to remove the buffering of bundle
output during checkpointing: #7940 #9652. Ultimately, we didn't merge any of
those because we weren't sure how the change would affect the checkpoint
performance.
As a better migration path, this introduces a pipeline option to change the
default, buffering bundle output during checkpointing, to finishing the bundle
and flushing all data before checkpointing.
Post-Commit Tests Status (on master branch)
Pre-Commit Tests Status (on master branch)
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