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Made a first pass over some parts of the code. Will follow up with more review comments tomorrow. clients/src/main/java/kafka/clients/producer/Partitioner.java <https://reviews.apache.org/r/17263/#comment61847> clients/src/main/java/kafka/clients/producer/ProducerConfig.java <https://reviews.apache.org/r/17263/#comment61848> I think someone on the mailing list suggested this as well and I agree. Instead of calling this metadata.broker.list, can we call it bootstrap.broker.list or something that can suggest this is the list of brokers used to bootstrap the producer? clients/src/main/java/kafka/clients/producer/internals/RecordAccumulator.java <https://reviews.apache.org/r/17263/#comment61959> We make only one pass over the partitions and drain at most one batch at a time. However, there could be more batches ready for a partition while other partitions have very little data ready. So at the end of one pass, maxSize worth data is still not accumulated. Is it worth making n passes until maxSize data is accumulated? Essentially can we send more than one RecordBatch from a partition in one produce request? The use case I'm thinking about is where one partition is very high throughput compared to the rest. However, I think the above will require us to change quite a lot of the APIs that currently assume only one RecordBatch of a partition is in flight clients/src/main/java/kafka/clients/producer/internals/RecordBatch.java <https://reviews.apache.org/r/17263/#comment61866> Would it make more sense to initialize the list of thunks to queue size instead of 5 ? clients/src/main/java/kafka/clients/producer/internals/Sender.java <https://reviews.apache.org/r/17263/#comment61897> Would it be cleaner to move this logic inside NodeState and expose it with some API like isConnectable()? clients/src/main/java/kafka/clients/producer/internals/Sender.java <https://reviews.apache.org/r/17263/#comment61898> socket buffer sizes should be configurable, no? This is especially useful while tuning mirror makers for cross-colo data mirroring clients/src/main/java/kafka/common/network/Selector.java <https://reviews.apache.org/r/17263/#comment61905> shouldn't we remove the key from the map once the key is cancelled to prevent the map from growing to an unbounded size? project/Build.scala <https://reviews.apache.org/r/17263/#comment61888> clients needs to be added to the aggregate list so that it will build as part of ./sbt package. Currently, sbt doesn't build clients because of this. - Neha Narkhede On Jan. 23, 2014, 8:54 p.m., Jay Kreps wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/17263/ > ----------------------------------------------------------- > > (Updated Jan. 23, 2014, 8:54 p.m.) > > > Review request for kafka. > > > Bugs: KAFKA-1227 > https://issues.apache.org/jira/browse/KAFKA-1227 > > > Repository: kafka > > > Description > ------- > > KAFKA-1227 New producer! > > > Diffs > ----- > > clients/build.sbt PRE-CREATION > clients/src/main/java/kafka/clients/producer/BufferExhaustedException.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/Callback.java PRE-CREATION > clients/src/main/java/kafka/clients/producer/DefaultPartitioner.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/KafkaProducer.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/MockProducer.java PRE-CREATION > clients/src/main/java/kafka/clients/producer/Partitioner.java PRE-CREATION > clients/src/main/java/kafka/clients/producer/Producer.java PRE-CREATION > clients/src/main/java/kafka/clients/producer/ProducerConfig.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/ProducerRecord.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/RecordSend.java PRE-CREATION > clients/src/main/java/kafka/clients/producer/internals/BufferPool.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/internals/Metadata.java > PRE-CREATION > > clients/src/main/java/kafka/clients/producer/internals/ProduceRequestResult.java > PRE-CREATION > > clients/src/main/java/kafka/clients/producer/internals/RecordAccumulator.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/internals/RecordBatch.java > PRE-CREATION > clients/src/main/java/kafka/clients/producer/internals/Sender.java > PRE-CREATION > clients/src/main/java/kafka/clients/tools/ProducerPerformance.java > PRE-CREATION > clients/src/main/java/kafka/common/ByteSerialization.java PRE-CREATION > clients/src/main/java/kafka/common/Cluster.java PRE-CREATION > clients/src/main/java/kafka/common/Configurable.java PRE-CREATION > clients/src/main/java/kafka/common/Deserializer.java PRE-CREATION > clients/src/main/java/kafka/common/KafkaException.java PRE-CREATION > clients/src/main/java/kafka/common/Metric.java PRE-CREATION > clients/src/main/java/kafka/common/Node.java PRE-CREATION > clients/src/main/java/kafka/common/PartitionInfo.java PRE-CREATION > clients/src/main/java/kafka/common/Serializer.java PRE-CREATION > clients/src/main/java/kafka/common/StringSerialization.java PRE-CREATION > clients/src/main/java/kafka/common/TopicPartition.java PRE-CREATION > clients/src/main/java/kafka/common/config/AbstractConfig.java PRE-CREATION > clients/src/main/java/kafka/common/config/ConfigDef.java PRE-CREATION > clients/src/main/java/kafka/common/config/ConfigException.java PRE-CREATION > clients/src/main/java/kafka/common/errors/ApiException.java PRE-CREATION > clients/src/main/java/kafka/common/errors/CorruptMessageException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/LeaderNotAvailableException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/MessageTooLargeException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/NetworkException.java > PRE-CREATION > > clients/src/main/java/kafka/common/errors/NotLeaderForPartitionException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/OffsetMetadataTooLarge.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/OffsetOutOfRangeException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/RetryableException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/TimeoutException.java > PRE-CREATION > clients/src/main/java/kafka/common/errors/UnknownServerException.java > PRE-CREATION > > clients/src/main/java/kafka/common/errors/UnknownTopicOrPartitionException.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/CompoundStat.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/JmxReporter.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/KafkaMetric.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/Measurable.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/MeasurableStat.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/MetricConfig.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/Metrics.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/MetricsReporter.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/Quota.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/QuotaViolationException.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/Sensor.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/Stat.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Avg.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Count.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Histogram.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Max.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Min.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Percentile.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Percentiles.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Rate.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/SampledStat.java > PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/Total.java PRE-CREATION > clients/src/main/java/kafka/common/metrics/stats/WindowedStat.java > PRE-CREATION > clients/src/main/java/kafka/common/network/ByteBufferReceive.java > PRE-CREATION > clients/src/main/java/kafka/common/network/ByteBufferSend.java PRE-CREATION > clients/src/main/java/kafka/common/network/NetworkReceive.java PRE-CREATION > clients/src/main/java/kafka/common/network/NetworkSend.java PRE-CREATION > clients/src/main/java/kafka/common/network/Receive.java PRE-CREATION > clients/src/main/java/kafka/common/network/Selectable.java PRE-CREATION > clients/src/main/java/kafka/common/network/Selector.java PRE-CREATION > clients/src/main/java/kafka/common/network/Send.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/ApiKeys.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/Errors.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/ProtoUtils.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/Protocol.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/ArrayOf.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/Field.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/Schema.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/SchemaException.java > PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/Struct.java PRE-CREATION > clients/src/main/java/kafka/common/protocol/types/Type.java PRE-CREATION > clients/src/main/java/kafka/common/record/CompressionType.java PRE-CREATION > clients/src/main/java/kafka/common/record/InvalidRecordException.java > PRE-CREATION > clients/src/main/java/kafka/common/record/LogEntry.java PRE-CREATION > clients/src/main/java/kafka/common/record/MemoryRecords.java PRE-CREATION > clients/src/main/java/kafka/common/record/Record.java PRE-CREATION > clients/src/main/java/kafka/common/record/Records.java PRE-CREATION > clients/src/main/java/kafka/common/requests/RequestHeader.java PRE-CREATION > clients/src/main/java/kafka/common/requests/RequestSend.java PRE-CREATION > clients/src/main/java/kafka/common/requests/ResponseHeader.java > PRE-CREATION > clients/src/main/java/kafka/common/utils/AbstractIterator.java PRE-CREATION > clients/src/main/java/kafka/common/utils/CopyOnWriteMap.java PRE-CREATION > clients/src/main/java/kafka/common/utils/Crc32.java PRE-CREATION > clients/src/main/java/kafka/common/utils/KafkaThread.java PRE-CREATION > clients/src/main/java/kafka/common/utils/SystemTime.java PRE-CREATION > clients/src/main/java/kafka/common/utils/Time.java PRE-CREATION > clients/src/main/java/kafka/common/utils/Utils.java PRE-CREATION > clients/src/test/java/kafka/clients/common/network/SelectorTest.java > PRE-CREATION > clients/src/test/java/kafka/clients/producer/BufferPoolTest.java > PRE-CREATION > clients/src/test/java/kafka/clients/producer/MetadataTest.java PRE-CREATION > clients/src/test/java/kafka/clients/producer/MockProducerTest.java > PRE-CREATION > clients/src/test/java/kafka/clients/producer/RecordAccumulatorTest.java > PRE-CREATION > clients/src/test/java/kafka/clients/producer/RecordSendTest.java > PRE-CREATION > clients/src/test/java/kafka/clients/producer/SenderTest.java PRE-CREATION > clients/src/test/java/kafka/common/config/ConfigDefTest.java PRE-CREATION > clients/src/test/java/kafka/common/metrics/JmxReporterTest.java > PRE-CREATION > clients/src/test/java/kafka/common/metrics/MetricsTest.java PRE-CREATION > clients/src/test/java/kafka/common/metrics/stats/HistogramTest.java > PRE-CREATION > > clients/src/test/java/kafka/common/protocol/types/ProtocolSerializationTest.java > PRE-CREATION > clients/src/test/java/kafka/common/record/MemoryRecordsTest.java > PRE-CREATION > clients/src/test/java/kafka/common/record/RecordTest.java PRE-CREATION > clients/src/test/java/kafka/common/utils/AbstractIteratorTest.java > PRE-CREATION > clients/src/test/java/kafka/common/utils/MockTime.java PRE-CREATION > clients/src/test/java/kafka/test/MetricsBench.java PRE-CREATION > clients/src/test/java/kafka/test/Microbenchmarks.java PRE-CREATION > clients/src/test/java/kafka/test/MockSelector.java PRE-CREATION > clients/src/test/java/kafka/test/TestUtils.java PRE-CREATION > project/Build.scala 098e874b8a14067739e6cd1f0a9ab9597ae84b6e > > Diff: https://reviews.apache.org/r/17263/diff/ > > > Testing > ------- > > > Thanks, > > Jay Kreps > >
