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https://issues.apache.org/jira/browse/BEAM-11833?focusedWorklogId=557796&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-557796
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ASF GitHub Bot logged work on BEAM-11833:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/21 08:32
Start Date: 25/Feb/21 08:32
Worklog Time Spent: 10m
Work Description: je-ik commented on a change in pull request #14013:
URL: https://github.com/apache/beam/pull/14013#discussion_r582635836
##########
File path: sdks/java/core/src/main/java/org/apache/beam/sdk/io/Read.java
##########
@@ -789,6 +799,7 @@ public CheckpointMark getCheckpointMark() {
private boolean readerHasBeenStarted;
private Cache<Object, UnboundedReader<OutputT>> cachedReaders;
private Coder<UnboundedSourceRestriction<OutputT, CheckpointT>>
restrictionCoder;
+ private Instant lastPreSplitWatermark;
Review comment:
Yes, you are right that it under current implementation probably plays
no role. On the other hand, I'd like to avoid updating the watermark estimator
to `BoundedWindow.TIMESTAMP_MAX_VALUE` (if that is not what actually came from
the reader). Therefore, I'd propose to add method `isSplit` to
`UnboundedSourceRestiction` and do not update the watermark estimator if that
is the case (which then should result in returning
`ProcessContinuation.done()`, which should be OK).
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Issue Time Tracking
-------------------
Worklog Id: (was: 557796)
Time Spent: 4h 20m (was: 4h 10m)
> UnboundedSourceAsSDFRestrictionTracker reports incorrect watermark after
> failed claim
> -------------------------------------------------------------------------------------
>
> Key: BEAM-11833
> URL: https://issues.apache.org/jira/browse/BEAM-11833
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.28.0
> Reporter: Jan Lukavský
> Assignee: Jan Lukavský
> Priority: P1
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> After being split by call to {{trySplit}}, the watermark reported by
> {{UnboundedSourceAsSDFRestrictionTracker.currentRestriction().getWatermark()}}
> is BoundedWindow.TIMESTAMP_MAX_VALUE, which is incorrect.
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