cmccabe commented on a change in pull request #10812:
URL: https://github.com/apache/kafka/pull/10812#discussion_r658329637
##########
File path:
metadata/src/main/java/org/apache/kafka/controller/QuorumController.java
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@@ -877,6 +880,35 @@ private void replay(ApiMessage message,
Optional<OffsetAndEpoch> snapshotId, lon
}
}
+ private void checkSnapshotGeneration(long batchSizeInBytes) {
+ newBytesSinceLastSnapshot += batchSizeInBytes;
+ if (newBytesSinceLastSnapshot >= snapshotMinNewRecordBytes &&
+ snapshotGeneratorManager.generator == null
+ ) {
+ boolean isActiveController = curClaimEpoch != -1;
+ if (!isActiveController) {
+ // The active controller creates in-memory snapshot every time
an uncommitted
+ // batch gets appended. The in-active controller can be more
efficient and only
+ // create an in-memory snapshot when needed.
+ snapshotRegistry.createSnapshot(lastCommittedOffset);
+ }
+
+
snapshotGeneratorManager.createSnapshotGenerator(lastCommittedOffset,
lastCommittedEpoch);
+ newBytesSinceLastSnapshot = 0;
+ }
+ }
+
+ private void resetState() {
Review comment:
It would be nice to call this from the QuorumController constructor so
we get more test coverage on it (and so that we only have one place setting up
the initial values.) I think we can do that, right?
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