apoorvmittal10 commented on code in PR #18725:
URL: https://github.com/apache/kafka/pull/18725#discussion_r1933609359
##########
core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala:
##########
@@ -5977,6 +5980,64 @@ class ReplicaManagerTest {
)
}
+ @Test
+ def testDelayedShareFetchPurgatoryOperationExpiration(): Unit = {
+ val mockLogMgr = TestUtils.createLogManager(config.logDirs.map(new
File(_)))
+ val rm = new ReplicaManager(
+ metrics = metrics,
+ config = config,
+ time = time,
+ scheduler = new MockScheduler(time),
+ logManager = mockLogMgr,
+ quotaManagers = quotaManager,
+ metadataCache = MetadataCache.kRaftMetadataCache(config.brokerId, () =>
KRaftVersion.KRAFT_VERSION_0),
+ logDirFailureChannel = new LogDirFailureChannel(config.logDirs.size),
+ alterPartitionManager = alterPartitionManager)
+
+ val groupId = "grp"
+ val tp1 = new TopicIdPartition(Uuid.randomUuid, new TopicPartition("foo1",
0))
+ val partitionMaxBytes = new util.LinkedHashMap[TopicIdPartition, Integer]
+ partitionMaxBytes.put(tp1, 1000)
+
+ val sp1 = mock(classOf[SharePartition])
+ val sharePartitions = new util.LinkedHashMap[TopicIdPartition,
SharePartition]
+ sharePartitions.put(tp1, sp1)
+
+ val future = new CompletableFuture[util.Map[TopicIdPartition,
ShareFetchResponseData.PartitionData]]
+ val shareFetch = new ShareFetch(
+ new FetchParams(ApiKeys.SHARE_FETCH.latestVersion,
FetchRequest.ORDINARY_CONSUMER_ID, -1, 500, 1, 1024 * 1024,
FetchIsolation.HIGH_WATERMARK, Optional.empty, true),
+ groupId,
+ Uuid.randomUuid.toString,
+ future,
+ partitionMaxBytes,
+ 500,
+ 100,
+ brokerTopicStats)
+
+ val delayedShareFetch = new DelayedShareFetch(
+ shareFetch,
+ rm,
+ mock(classOf[BiConsumer[SharePartitionKey, Throwable]]),
+ sharePartitions)
+
+ val delayedShareFetchWatchKeys : util.List[DelayedShareFetchKey] = new
util.ArrayList[DelayedShareFetchKey]
+ partitionMaxBytes.keySet.forEach((topicIdPartition: TopicIdPartition) =>
delayedShareFetchWatchKeys.add(new DelayedShareFetchGroupKey(groupId,
topicIdPartition.topicId, topicIdPartition.partition)))
+
+ // You cannot acquire records for sp1, so request will be stored in
purgatory waiting for timeout.
+ when(sp1.maybeAcquireFetchLock).thenReturn(false)
+
+ rm.addDelayedShareFetchRequest(delayedShareFetch = delayedShareFetch,
delayedShareFetchKeys = delayedShareFetchWatchKeys)
+ assertEquals(1, rm.delayedShareFetchPurgatory.watched)
+
+ // Future is not complete initially.
+ assertFalse(future.isDone)
+ // Post timeout, share fetch request will timeout and the future should
complete.
+ waitUntilTrue(() => future.isDone, "Processing in delayed share fetch
purgatory never ended.", 1000)
Review Comment:
Shall we have a bit buffer say, 1200 and write in comments that 1000 is
default timeout but kept a buffer of 200 so the task can alwawys timeout?
##########
core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala:
##########
@@ -5977,6 +5980,64 @@ class ReplicaManagerTest {
)
}
+ @Test
+ def testDelayedShareFetchPurgatoryOperationExpiration(): Unit = {
+ val mockLogMgr = TestUtils.createLogManager(config.logDirs.map(new
File(_)))
+ val rm = new ReplicaManager(
+ metrics = metrics,
+ config = config,
+ time = time,
+ scheduler = new MockScheduler(time),
+ logManager = mockLogMgr,
+ quotaManagers = quotaManager,
+ metadataCache = MetadataCache.kRaftMetadataCache(config.brokerId, () =>
KRaftVersion.KRAFT_VERSION_0),
+ logDirFailureChannel = new LogDirFailureChannel(config.logDirs.size),
+ alterPartitionManager = alterPartitionManager)
+
+ val groupId = "grp"
+ val tp1 = new TopicIdPartition(Uuid.randomUuid, new TopicPartition("foo1",
0))
+ val partitionMaxBytes = new util.LinkedHashMap[TopicIdPartition, Integer]
+ partitionMaxBytes.put(tp1, 1000)
+
+ val sp1 = mock(classOf[SharePartition])
+ val sharePartitions = new util.LinkedHashMap[TopicIdPartition,
SharePartition]
+ sharePartitions.put(tp1, sp1)
+
+ val future = new CompletableFuture[util.Map[TopicIdPartition,
ShareFetchResponseData.PartitionData]]
+ val shareFetch = new ShareFetch(
+ new FetchParams(ApiKeys.SHARE_FETCH.latestVersion,
FetchRequest.ORDINARY_CONSUMER_ID, -1, 500, 1, 1024 * 1024,
FetchIsolation.HIGH_WATERMARK, Optional.empty, true),
+ groupId,
+ Uuid.randomUuid.toString,
+ future,
+ partitionMaxBytes,
+ 500,
+ 100,
+ brokerTopicStats)
+
+ val delayedShareFetch = new DelayedShareFetch(
+ shareFetch,
+ rm,
+ mock(classOf[BiConsumer[SharePartitionKey, Throwable]]),
+ sharePartitions)
Review Comment:
Hmmm, sure but how do we guarantee that the request was timeout and not
copleted in normal flow. By checking `assertFalse(future.isDone)` initially? Or
should we also check the method call which should only happen on timeout was
triggered i.e. `forceComplete`?
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