iit2009060 commented on code in PR #14483:
URL: https://github.com/apache/kafka/pull/14483#discussion_r1363446715
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core/src/test/scala/unit/kafka/log/remote/RemoteIndexCacheTest.scala:
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@@ -672,16 +673,84 @@ class RemoteIndexCacheTest {
verifyFetchIndexInvocation(count = 1)
}
+ @Test
+ def testConcurrentRemoveReadForCache(): Unit = {
+ // Create a spy Cache Entry
+ val rlsMetadata = new
RemoteLogSegmentMetadata(RemoteLogSegmentId.generateNew(idPartition),
baseOffset, lastOffset,
+ time.milliseconds(), brokerId, time.milliseconds(), segmentSize,
Collections.singletonMap(0, 0L))
+
+ val timeIndex = spy(createTimeIndexForSegmentMetadata(rlsMetadata, new
File(tpDir, DIR_NAME)))
+ val txIndex = spy(createTxIndexForSegmentMetadata(rlsMetadata, new
File(tpDir, DIR_NAME)))
+ val offsetIndex = spy(createOffsetIndexForSegmentMetadata(rlsMetadata, new
File(tpDir, DIR_NAME)))
+
+ val spyEntry = spy(new RemoteIndexCache.Entry(offsetIndex, timeIndex,
txIndex))
+ cache.internalCache.put(rlsMetadata.remoteLogSegmentId().id(), spyEntry)
+
+ assertCacheSize(1)
+
+ var entry: RemoteIndexCache.Entry = null
+
+ val latchForCacheRead = new CountDownLatch(1)
+ val latchForCacheRemove = new CountDownLatch(1)
+ val latchForTestWait = new CountDownLatch(1)
+
+ var markForCleanupCallCount = 0
+
+ doAnswer((invocation: InvocationOnMock) => {
+ markForCleanupCallCount += 1
+
+ if (markForCleanupCallCount == 1) {
+ // Signal the CacheRead to unblock itself
+ latchForCacheRead.countDown()
+ // Wait for signal to start renaming the files
+ latchForCacheRemove.await()
+ // Calling the markForCleanup() actual method to start renaming the
files
+ invocation.callRealMethod()
Review Comment:
@jeel2420 Why we are invoking this again ` invocation.callRealMethod()`
It is already called in
`712 line when(spyEntry).markForCleanup()`
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