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Looks good. Just some minor comments below. clients/src/main/java/org/apache/kafka/common/protocol/Errors.java <https://reviews.apache.org/r/25886/#comment96119> Perhaps the message can be "Messages are rejected since there are not enough in-sync replicas than required.". clients/src/main/java/org/apache/kafka/common/protocol/Errors.java <https://reviews.apache.org/r/25886/#comment96120> How about "Messages are written to the log, but to fewer in-sync replicas than required."? core/src/main/scala/kafka/cluster/Partition.scala <https://reviews.apache.org/r/25886/#comment96123> The error code should be NotEnoughReplicasAfterAppendCode. core/src/main/scala/kafka/common/NotEnoughReplicasException.scala <https://reviews.apache.org/r/25886/#comment96124> Probably add that messages are rejected. core/src/main/scala/kafka/log/LogConfig.scala <https://reviews.apache.org/r/25886/#comment96125> -1 (or all) core/src/main/scala/kafka/server/KafkaConfig.scala <https://reviews.apache.org/r/25886/#comment96128> -1 (all) - Jun Rao On Oct. 6, 2014, 8:28 p.m., Gwen Shapira wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/25886/ > ----------------------------------------------------------- > > (Updated Oct. 6, 2014, 8:28 p.m.) > > > Review request for kafka. > > > Repository: kafka > > > Description > ------- > > KAFKA-1555: provide strong consistency with reasonable availability > > > Diffs > ----- > > clients/src/main/java/org/apache/kafka/clients/producer/ProducerConfig.java > f9de4af > clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java addc906 > > clients/src/main/java/org/apache/kafka/common/errors/NotEnoughReplicasAfterAppendException.java > PRE-CREATION > > clients/src/main/java/org/apache/kafka/common/errors/NotEnoughReplicasException.java > PRE-CREATION > clients/src/main/java/org/apache/kafka/common/protocol/Errors.java d434f42 > core/src/main/scala/kafka/cluster/Partition.scala ff106b4 > core/src/main/scala/kafka/common/ErrorMapping.scala 3fae791 > > core/src/main/scala/kafka/common/NotEnoughReplicasAfterAppendException.scala > PRE-CREATION > core/src/main/scala/kafka/common/NotEnoughReplicasException.scala > PRE-CREATION > core/src/main/scala/kafka/log/LogConfig.scala 5746ad4 > core/src/main/scala/kafka/producer/SyncProducerConfig.scala 69b2d0c > core/src/main/scala/kafka/server/KafkaApis.scala c584b55 > core/src/main/scala/kafka/server/KafkaConfig.scala 165c816 > core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala > 39f777b > core/src/test/scala/unit/kafka/producer/ProducerTest.scala dd71d81 > core/src/test/scala/unit/kafka/producer/SyncProducerTest.scala 24deea0 > core/src/test/scala/unit/kafka/utils/TestUtils.scala 2dbdd3c > > Diff: https://reviews.apache.org/r/25886/diff/ > > > Testing > ------- > > With 3 broker cluster, created 3 topics each with 1 partition and 3 replicas, > with 1,3 and 4 min.insync.replicas. > * min.insync.replicas=1 behaved normally (all writes succeeded as long as a > broker was up) > * min.insync.replicas=3 returned NotEnoughReplicas when required.acks=-1 and > one broker was down > * min.insync.replicas=4 returned NotEnoughReplicas when required.acks=-1 > > See notes about retry behavior in the JIRA. > > > Thanks, > > Gwen Shapira > >