Re: Reg. the checkpointing mechanism

2018-04-06 Thread Nico Kruber
Hi James, The checkpoint coordinator at the JobManager is triggering the checkpoints by inserting checkpoint barriers into the sources. These will get to the TaskManagers via the same communication channels data is flowing between them. Please refer to [1] for more details. Nico [1] https://ci.

Reg. the checkpointing mechanism

2018-04-06 Thread Data Engineer
I have a Flink application (v 1.4.2) where I have enabled checkpointing with an interval of 200 ms. This is what I have configured in my driver program: env.enableCheckpointing(checkpointInterval, CheckpointingMode.EXACTLY_ONCE); CheckpointConfig config = env.getCheckpointC