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https://issues.apache.org/jira/browse/BEAM-6868?focusedWorklogId=475741&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-475741
]
ASF GitHub Bot logged work on BEAM-6868:
----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Aug/20 07:56
Start Date: 28/Aug/20 07:56
Worklog Time Spent: 10m
Work Description: mxm commented on a change in pull request #12706:
URL: https://github.com/apache/beam/pull/12706#discussion_r478904282
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
##########
@@ -191,6 +194,17 @@
private final boolean finishBundleBeforeCheckpointing;
+ /** Stores new finalizations being gathered. */
+ private transient InMemoryBundleFinalizer bundleFinalizer;
+ /** Pending bundle finalizations which have not been acknowledged yet. */
+ private transient LinkedHashMap<Long,
List<InMemoryBundleFinalizer.Finalization>>
+ pendingFinalizations;
+ /**
+ * Keep a maximum of 32 bundle finalizations for {@link
+ * BundleFinalizer.Callback#onBundleSuccess()}.
+ */
+ private static final int MAX_NUMBER_PENDING_BUNDLE_FINALIZATIONS = 32;
Review comment:
This constant appears to be unused.
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
##########
@@ -905,6 +928,19 @@ public final void notifyCheckpointComplete(long
checkpointId) throws Exception {
bufferingDoFnRunner.checkpointCompleted(checkpointId);
}
+ List<InMemoryBundleFinalizer.Finalization> finalizations =
+ pendingFinalizations.get(checkpointId);
+ if (finalizations != null) {
+ // remove old finalizations except for the current one
+ pendingFinalizations.clear();
+ pendingFinalizations.put(checkpointId, finalizations);
+
+ // confirm all finalizations
+ for (InMemoryBundleFinalizer.Finalization finalization : finalizations) {
+ finalization.getCallback().onBundleSuccess();
Review comment:
Acknowledging the latest bundle finalize will also acknowledge all
earlier requests for bundle finalization?
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
##########
@@ -905,6 +928,19 @@ public final void notifyCheckpointComplete(long
checkpointId) throws Exception {
bufferingDoFnRunner.checkpointCompleted(checkpointId);
}
+ List<InMemoryBundleFinalizer.Finalization> finalizations =
+ pendingFinalizations.get(checkpointId);
+ if (finalizations != null) {
+ // remove old finalizations except for the current one
+ pendingFinalizations.clear();
Review comment:
The default is to have just one checkpoint at a given time, but users
can configure concurrent checkpointing which can ack checkpoints out of order.
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
##########
@@ -905,6 +928,19 @@ public final void notifyCheckpointComplete(long
checkpointId) throws Exception {
bufferingDoFnRunner.checkpointCompleted(checkpointId);
}
+ List<InMemoryBundleFinalizer.Finalization> finalizations =
+ pendingFinalizations.get(checkpointId);
+ if (finalizations != null) {
+ // remove old finalizations except for the current one
+ pendingFinalizations.clear();
+ pendingFinalizations.put(checkpointId, finalizations);
Review comment:
Why is this one pending when we acknowledge it below?
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Issue Time Tracking
-------------------
Worklog Id: (was: 475741)
Time Spent: 40m (was: 0.5h)
> Flink runner supports Bundle Finalization
> -----------------------------------------
>
> Key: BEAM-6868
> URL: https://issues.apache.org/jira/browse/BEAM-6868
> Project: Beam
> Issue Type: New Feature
> Components: cross-language, runner-flink
> Reporter: Boyuan Zhang
> Priority: P1
> Time Spent: 40m
> Remaining Estimate: 0h
>
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