linux_ja的专栏

环境：jdk1.6,centos(64位)

auto.offset.reset largest What to do when there is no initial offset in ZooKeeper or if an offset is out of range: * smallest : automatically reset the offset to the smallest offset * largest : aut

20391 [Thread-8-kfkaSpout] WARN storm.kafka.KafkaUtils - Got fetch request with offset out of range: [140885176]; retrying with default start offset time from configuration. configured start offset t

2015-01-09T16:17:10.090+0800 s.k.KafkaUtils [WARN] Network error when fetching messages: java.net.ConnectException: Connection refused at sun.nio.ch.Net.connect0(Native Method) ~[na:1.7.0_51]

1,安装环境jdk1.7，kafka_2.9.2-0.8.1.1.tgz ，zookeeper-3.3.6.tar.gz，apache-storm-0.9.2-incubating.tar.gz 2，安装kafka: I,配置kafka/conf/server.properties # The id of the broker. This must be set to a unique i

KafkaSpout的核心逻辑都是由PartitionManager来实现的。 但是这个类实现时候需要考虑的东西有些多，0.92至0.93，至当前(2015.3.14)的master一直在变化。在这里，先分析一下最近的发布版0.93里的逻辑。也提出一些问题，希望以后Apache Storm会把这个类实现地更完美一些。 PartitionManager的主要功能 Partition