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https://issues.apache.org/jira/browse/BEAM-14129?focusedWorklogId=745391&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-745391
]
ASF GitHub Bot logged work on BEAM-14129:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Mar/22 19:29
Start Date: 21/Mar/22 19:29
Worklog Time Spent: 10m
Work Description: dpcollins-google commented on a change in pull request
#17103:
URL: https://github.com/apache/beam/pull/17103#discussion_r831471153
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/pubsublite/internal/SubscriptionPartitionLoader.java
##########
@@ -47,15 +46,99 @@
private final SubscriptionPath subscription;
private final SerializableFunction<TopicPath, Integer> getPartitionCount;
private final Duration pollDuration;
- private final boolean terminate;
+ private final SerializableSupplier<Boolean> terminate;
+
+ private class GeneratorFn extends DoFn<Void, SubscriptionPartition> {
+ @ProcessElement
+ public ProcessContinuation processElement(
+ OutputReceiver<SubscriptionPartition> output,
+ RestrictionTracker<Integer, Integer> restrictionTracker) {
+ int previousCount = restrictionTracker.currentRestriction();
+ int newCount = getPartitionCount.apply(topic);
+ if (newCount <= previousCount) {
+ return ProcessContinuation.resume().withResumeDelay(pollDuration);
+ }
+ if (!restrictionTracker.tryClaim(newCount)) {
+ return ProcessContinuation.stop();
+ }
+ Instant ts = previousCount == 0 ? BoundedWindow.TIMESTAMP_MIN_VALUE :
getWatermark();
+ for (int i = previousCount; i < newCount; ++i) {
+ output.outputWithTimestamp(SubscriptionPartition.of(subscription,
Partition.of(i)), ts);
+ }
+ if (terminate.get()) {
+ return ProcessContinuation.stop();
+ }
+ return ProcessContinuation.resume().withResumeDelay(pollDuration);
Review comment:
Done with modifications- in particular, we still need to advance the
watermark if there is no new data to prevent UI timestamps from growing without
bound for this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 745391)
Time Spent: 10h 20m (was: 10h 10m)
> Fix issues with Pub/Sub Lite IO at high volumes
> -----------------------------------------------
>
> Key: BEAM-14129
> URL: https://issues.apache.org/jira/browse/BEAM-14129
> Project: Beam
> Issue Type: Task
> Components: io-java-gcp
> Reporter: Daniel Collins
> Assignee: Daniel Collins
> Priority: P1
> Fix For: 2.38.0
>
> Time Spent: 10h 20m
> Remaining Estimate: 0h
>
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