ableegoldman commented on a change in pull request #10342:
URL: https://github.com/apache/kafka/pull/10342#discussion_r596443720
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File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/ProcessorStateManager.java
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@@ -186,7 +186,7 @@ public ProcessorStateManager(final TaskId taskId,
this.changelogReader = changelogReader;
this.sourcePartitions = sourcePartitions;
- this.baseDir = stateDirectory.directoryForTask(taskId);
+ this.baseDir = stateDirectory.getOrCreateDirectoryForTask(taskId);
Review comment:
Note: the only logical changes are in `StateDirectory` and
`KafkaStreams`, the rest of the files were just touched by renaming this method
to include the `getOrCreate` prefix. Sorry for the expanded surface area, I
felt the renaming was merited since otherwise this critical functionality is
easy to miss.
There are also some non-renaming changes in StateManagerUtil and TaskManager
that just involve removing the try-catch logic for the no longer throwable
IOException. For tests, you should focus on `StateDirectoryTest` and
`StateManagerUtilTest`
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