Alessandro Presta created GIRAPH-293:
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Summary: Should aggregators be checkpointed?
Key: GIRAPH-293
URL: https://issues.apache.org/jira/browse/GIRAPH-293
Project: Giraph
Issue Type: Bug
Reporter: Alessandro Presta
As I understand, we don't include aggregators in checkpoints because they are
kept in the Zookeeper.
One of our bootcampers is working on fixing TestManualCheckpoint, which
currently involves starting a new job from a checkpoint from a previous job*.
If this is a functionality we want going forward, then persistent aggregators
should be checkpointed.
[*] That test relies on the fact that either aggregators are checkpointed or
they are always reset at each superstep. None of these is happening, but the
error cancels out with the fact that we are not actually resuming from a
checkpoint, but re-running the job from scratch.
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