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(Updated July 31, 2014, 10:04 p.m.) Review request for kafka. Bugs: KAFKA-1430 https://issues.apache.org/jira/browse/KAFKA-1430 Repository: kafka Description (updated) ------- Address Jun's comments round two: 1. I ended up not adding the read lock on Partition.leaderReplicaIfLocal, since not only the delayed fetch but delayed produce request also needs to call this function in checkSatisfied. On the other hand, reading inconsistently in all corner cases should be harmless, detail explanation is in the JIRA comments; 2. I kept the renaming of PartitionData since it is not used in core, this class will be only used by FetchResponse. Diffs (updated) ----- core/src/main/scala/kafka/api/FetchRequest.scala 55a5982c5234f3ac10d4b4ea9fd7c4aa11d34154 core/src/main/scala/kafka/api/FetchResponse.scala d117f10f724b09d6deef0df3a138d28fc91aa13a core/src/main/scala/kafka/cluster/Partition.scala 134aef9c88068443d4d465189f376dd78605b4f8 core/src/main/scala/kafka/cluster/Replica.scala 5e659b4a5c0256431aecc200a6b914472da9ecf3 core/src/main/scala/kafka/consumer/ConsumerFetcherThread.scala f8c1b4e674f7515c377c6c30d212130f1ff022dd core/src/main/scala/kafka/consumer/SimpleConsumer.scala 0e64632210385ef63c2ad3445b55ac4f37a63df2 core/src/main/scala/kafka/log/Log.scala b7bc5ffdecba7221b3d2e4bca2b0c703bc74fa12 core/src/main/scala/kafka/log/LogCleaner.scala afbeffc72e7d7706b44961aecf8519c5c5a3b4b1 core/src/main/scala/kafka/log/LogSegment.scala 0d6926ea105a99c9ff2cfc9ea6440f2f2d37bde8 core/src/main/scala/kafka/server/AbstractFetcherThread.scala 3b15254f32252cf824d7a292889ac7662d73ada1 core/src/main/scala/kafka/server/DelayedFetch.scala PRE-CREATION core/src/main/scala/kafka/server/DelayedProduce.scala PRE-CREATION core/src/main/scala/kafka/server/DelayedRequestKey.scala PRE-CREATION core/src/main/scala/kafka/server/FetchDataInfo.scala PRE-CREATION core/src/main/scala/kafka/server/FetchRequestPurgatory.scala PRE-CREATION core/src/main/scala/kafka/server/KafkaApis.scala fd5f12ee31e78cdcda8e24a0ab3e1740b3928884 core/src/main/scala/kafka/server/LogOffsetMetadata.scala PRE-CREATION core/src/main/scala/kafka/server/OffsetManager.scala 0e22897cd1c7e45c58a61c3c468883611b19116d core/src/main/scala/kafka/server/ProducerRequestPurgatory.scala PRE-CREATION core/src/main/scala/kafka/server/ReplicaFetcherThread.scala 75ae1e161769a020a102009df416009bd6710f4a core/src/main/scala/kafka/server/ReplicaManager.scala 897783cb756de548a8b634876f729b63ffe9925e core/src/main/scala/kafka/server/RequestPurgatory.scala 3d0ff1e2dbd6a5c3587cffa283db70415af83a7b core/src/main/scala/kafka/tools/ReplicaVerificationTool.scala af4783646803e58714770c21f8c3352370f26854 core/src/main/scala/kafka/tools/TestEndToEndLatency.scala 5f8f6bc46ae6cbbe15cec596ac99d0b377d1d7ef core/src/test/scala/other/kafka/StressTestLog.scala 8fcd068b248688c40e73117dc119fa84cceb95b3 core/src/test/scala/unit/kafka/api/RequestResponseSerializationTest.scala cd16ced5465d098be7a60498326b2a98c248f343 core/src/test/scala/unit/kafka/integration/PrimitiveApiTest.scala 9f04bd38be639cde3e7f402845dbe6ae92e87dc2 core/src/test/scala/unit/kafka/log/LogManagerTest.scala 7d4c70ce651b1af45cf9bb69b974aa770de8e59d core/src/test/scala/unit/kafka/log/LogSegmentTest.scala 6b7603728ae5217565d68b92dd5349e7c6508f31 core/src/test/scala/unit/kafka/log/LogTest.scala 1da1393983d4b20330e7c7f374424edd1b26f2a3 core/src/test/scala/unit/kafka/message/BaseMessageSetTestCases.scala 6db245c956d2172cde916defdb0749081bf891fd core/src/test/scala/unit/kafka/server/HighwatermarkPersistenceTest.scala e532c2826c96bfa47d9a3c41b4d71dbf69541eac core/src/test/scala/unit/kafka/server/ISRExpirationTest.scala 2cd3a3faf7be2bbc22a892eec78c6e4c05545e18 core/src/test/scala/unit/kafka/server/LogRecoveryTest.scala 0ec120a4a953114e88c575dd6b583874371a09e3 core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala 9abf219f0efb1a020db9a6623e1672a1affd5cfc core/src/test/scala/unit/kafka/server/RequestPurgatoryTest.scala 4f61f8469df99e02d6ce7aad897d10e158cca8fd core/src/test/scala/unit/kafka/server/SimpleFetchTest.scala b1c4ce9f66aa86c68f2e6988f67546fa63ed1f9b Diff: https://reviews.apache.org/r/23767/diff/ Testing ------- Thanks, Guozhang Wang