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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2020/07/11 00:42:56 UTC

[GitHub] [kafka] junrao commented on a change in pull request #8672: KAFKA-10002; Improve performances of StopReplicaRequest with large number of partitions to be deleted

junrao commented on a change in pull request #8672:
URL: https://github.com/apache/kafka/pull/8672#discussion_r453132769



##########
File path: core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala
##########
@@ -2058,13 +2070,37 @@ class ReplicaManagerTest {
     val partition = replicaManager.createPartition(tp0)
     partition.createLogIfNotExists(isNew = false, isFutureReplica = false, offsetCheckpoints)
 
+    val logDirFailureChannel = new LogDirFailureChannel(replicaManager.config.logDirs.size)
+    val logDir = partition.log.get.parentDirFile
+
+    def readRecoveryPointCheckpoint(): Map[TopicPartition, Long] = {
+      new OffsetCheckpointFile(new File(logDir, LogManager.RecoveryPointCheckpointFile),
+        logDirFailureChannel).read()
+    }
+
+    def readLogStartOffsetCheckpoint(): Map[TopicPartition, Long] = {
+      new OffsetCheckpointFile(new File(logDir, LogManager.LogStartOffsetCheckpointFile),
+        logDirFailureChannel).read()
+    }
+
     val becomeLeaderRequest = new LeaderAndIsrRequest.Builder(ApiKeys.LEADER_AND_ISR.latestVersion, 0, 0, brokerEpoch,
       Seq(leaderAndIsrPartitionState(tp0, 1, 0, Seq(0, 1), true)).asJava,
       Set(new Node(0, "host1", 0), new Node(1, "host2", 1)).asJava
     ).build()
 
     replicaManager.becomeLeaderOrFollower(1, becomeLeaderRequest, (_, _) => ())
 
+    val batch = TestUtils.records(records = List(
+      new SimpleRecord(10, "k1".getBytes, "v1".getBytes),
+      new SimpleRecord(11, "k2".getBytes, "v2".getBytes)))
+    partition.appendRecordsToLeader(batch, AppendOrigin.Client, requiredAcks = 0)
+    partition.log.get.updateHighWatermark(2L)
+    partition.log.get.maybeIncrementLogStartOffset(1L, LeaderOffsetIncremented)
+    replicaManager.logManager.checkpointLogRecoveryOffsets()
+    replicaManager.logManager.checkpointLogStartOffsets()
+    assertTrue(readRecoveryPointCheckpoint().contains(tp0))
+    assertTrue(readLogStartOffsetCheckpoint().contains(tp0))

Review comment:
       Could we verify the expected logStartOffset?

##########
File path: core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala
##########
@@ -2058,13 +2070,37 @@ class ReplicaManagerTest {
     val partition = replicaManager.createPartition(tp0)
     partition.createLogIfNotExists(isNew = false, isFutureReplica = false, offsetCheckpoints)
 
+    val logDirFailureChannel = new LogDirFailureChannel(replicaManager.config.logDirs.size)
+    val logDir = partition.log.get.parentDirFile
+
+    def readRecoveryPointCheckpoint(): Map[TopicPartition, Long] = {
+      new OffsetCheckpointFile(new File(logDir, LogManager.RecoveryPointCheckpointFile),
+        logDirFailureChannel).read()
+    }
+
+    def readLogStartOffsetCheckpoint(): Map[TopicPartition, Long] = {
+      new OffsetCheckpointFile(new File(logDir, LogManager.LogStartOffsetCheckpointFile),
+        logDirFailureChannel).read()
+    }
+
     val becomeLeaderRequest = new LeaderAndIsrRequest.Builder(ApiKeys.LEADER_AND_ISR.latestVersion, 0, 0, brokerEpoch,
       Seq(leaderAndIsrPartitionState(tp0, 1, 0, Seq(0, 1), true)).asJava,
       Set(new Node(0, "host1", 0), new Node(1, "host2", 1)).asJava
     ).build()
 
     replicaManager.becomeLeaderOrFollower(1, becomeLeaderRequest, (_, _) => ())
 
+    val batch = TestUtils.records(records = List(
+      new SimpleRecord(10, "k1".getBytes, "v1".getBytes),
+      new SimpleRecord(11, "k2".getBytes, "v2".getBytes)))
+    partition.appendRecordsToLeader(batch, AppendOrigin.Client, requiredAcks = 0)
+    partition.log.get.updateHighWatermark(2L)
+    partition.log.get.maybeIncrementLogStartOffset(1L, LeaderOffsetIncremented)
+    replicaManager.logManager.checkpointLogRecoveryOffsets()
+    replicaManager.logManager.checkpointLogStartOffsets()
+    assertTrue(readRecoveryPointCheckpoint().contains(tp0))

Review comment:
       Could we verify the expected recovery offset?




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