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https://issues.apache.org/jira/browse/BEAM-12209?focusedWorklogId=587663&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-587663
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ASF GitHub Bot logged work on BEAM-12209:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Apr/21 07:06
Start Date: 23/Apr/21 07:06
Worklog Time Spent: 10m
Work Description: scwhittle commented on a change in pull request #14617:
URL: https://github.com/apache/beam/pull/14617#discussion_r618987522
##########
File path:
sdks/java/fn-execution/src/main/java/org/apache/beam/sdk/fn/stream/DirectStreamObserver.java
##########
@@ -59,9 +60,8 @@ public DirectStreamObserver(Phaser phaser,
CallStreamObserver<T> outboundObserve
@Override
public void onNext(T value) {
- numberOfMessagesBeforeReadyCheck += 1;
- if (numberOfMessagesBeforeReadyCheck >= maxMessagesBeforeCheck) {
- numberOfMessagesBeforeReadyCheck = 0;
+ if (maxMessagesBeforeCheck <= 1 ||
Review comment:
No since it is final
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Issue Time Tracking
-------------------
Worklog Id: (was: 587663)
Time Spent: 1h 10m (was: 1h)
> DirectStreamObserver is not thread-safe as advertised due to racy integer
> operations
> ------------------------------------------------------------------------------------
>
> Key: BEAM-12209
> URL: https://issues.apache.org/jira/browse/BEAM-12209
> Project: Beam
> Issue Type: Bug
> Components: java-fn-execution
> Reporter: Sam Whittle
> Assignee: Sam Whittle
> Priority: P2
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> An AtomicInteger should be used instead for the message counting for periodic
> flow control checking.
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