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Thanks for the patch. A few comments below. clients/src/main/java/org/apache/kafka/clients/producer/KafkaProducer.java <https://reviews.apache.org/r/30763/#comment120733> Not sure how we make sure only a single flush at a time. Could you explain a bit more? clients/src/main/java/org/apache/kafka/clients/producer/internals/RecordAccumulator.java <https://reviews.apache.org/r/30763/#comment120734> Could flushesInProgress just be an AtomicBoolean? clients/src/test/java/org/apache/kafka/clients/producer/MockProducerTest.java <https://reviews.apache.org/r/30763/#comment120738> This assertion doesn't seem cover the case that one of the future is done, but the other is not. - Jun Rao On Feb. 26, 2015, 1:16 a.m., Jay Kreps wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/30763/ > ----------------------------------------------------------- > > (Updated Feb. 26, 2015, 1:16 a.m.) > > > Review request for kafka. > > > Bugs: KAFKA-1865 > https://issues.apache.org/jira/browse/KAFKA-1865 > > > Repository: kafka > > > Description > ------- > > KAFKA-1865 Add a flush() method to the producer. > > > Diffs > ----- > > clients/src/main/java/org/apache/kafka/clients/Metadata.java > e8afecda956303a6ee116499fd443a54c018e17d > clients/src/main/java/org/apache/kafka/clients/producer/KafkaProducer.java > 1fd6917c8a5131254c740abad7f7228a47e3628c > clients/src/main/java/org/apache/kafka/clients/producer/MockProducer.java > 84530f2b948f9abd74203db48707e490dd9c81a5 > clients/src/main/java/org/apache/kafka/clients/producer/Producer.java > 17fe541588d462c68c33f6209717cc4015e9b62f > clients/src/main/java/org/apache/kafka/clients/producer/ProducerRecord.java > 4990692efa6f01c62e1d7b05fbf31bec50e398c9 > > clients/src/main/java/org/apache/kafka/clients/producer/internals/FutureRecordMetadata.java > 4a2da41f47994f778109e3c4107ffd90195f0bae > > clients/src/main/java/org/apache/kafka/clients/producer/internals/RecordAccumulator.java > ecfe2144d778a5d9b614df5278b9f0a15637f10b > > clients/src/main/java/org/apache/kafka/clients/producer/internals/RecordBatch.java > dd0af8aee98abed5d4a0dc50989e37888bb353fe > > clients/src/main/java/org/apache/kafka/common/errors/InterruptException.java > PRE-CREATION > clients/src/main/java/org/apache/kafka/common/utils/SystemTime.java > d682bd46ec3826f0a72388cc4ec30e1b1223d0f3 > clients/src/test/java/org/apache/kafka/clients/producer/BufferPoolTest.java > 4ae43ed47e31ad8052b4348a731da11120968508 > clients/src/test/java/org/apache/kafka/clients/producer/MetadataTest.java > 743aa7e523dd476949f484bfa4c7fb8a3afd7bf8 > > clients/src/test/java/org/apache/kafka/clients/producer/MockProducerTest.java > 75513b0bdd439329c5771d87436ef83fda853bfb > > clients/src/test/java/org/apache/kafka/clients/producer/PartitionerTest.java > 404bedb3dc4e44cc79251d71e1e3f8efdab60efa > > clients/src/test/java/org/apache/kafka/clients/producer/RecordAccumulatorTest.java > 83338633717cfa4ef7cf2a590b5aa6b9c8cb1dd2 > clients/src/test/java/org/apache/kafka/clients/producer/SenderTest.java > 558942aaecd1b9f7098435d39aa4b362cd16ff0a > core/src/test/scala/integration/kafka/api/ConsumerTest.scala > 2802a399bf599e9530f53b7df72f12702a10d3c4 > core/src/test/scala/integration/kafka/api/ProducerSendTest.scala > b15237b76def3b234924280fa3fdb25dbb0cc0dc > core/src/test/scala/unit/kafka/utils/TestUtils.scala > 21d0ed2cb7c9459261d3cdc7c21dece5e2079698 > > Diff: https://reviews.apache.org/r/30763/diff/ > > > Testing > ------- > > The latest patch uses Jiangjie's suggestion to remove the synchronization on > flush. > > > Thanks, > > Jay Kreps > >
