Gyula Fora created FLINK-6755:
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Summary: Allow triggering Checkpoints through command line client
Key: FLINK-6755
URL: https://issues.apache.org/jira/browse/FLINK-6755
Project: Flink
Issue Type: New Feature
Components: Client, State Backends, Checkpointing
Affects Versions: 1.3.0
Reporter: Gyula Fora
The command line client currently only allows triggering (and canceling with)
Savepoints.
While this is good if we want to fork or modify the pipelines in a
non-checkpoint compatible way, now with incremental checkpoints this becomes
wasteful for simple job restarts/pipeline updates.
I suggest we add a new command:
./bin/flink checkpoint <jobID> [checkpointDirectory]
and a new flag -c for the cancel command to indicate we want to trigger a
checkpoint:
./bin/flink cancel -c [targetDirectory] <jobID>
Otherwise this can work similar to the current savepoint taking logic, we could
probably even piggyback on the current messages by adding boolean flag
indicating whether it should be a savepoint or a checkpoint.
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