incubator-heron
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apache
Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter
I run SmartWatchTopology example well on yarn well, two yarn containers are created and topology can work well. But when I run TransformsTopology on yarn, only one yarn container is...
After I start standalone cluster well, I just submit a example topology, but error is below: heron submit standalone heron-streamlet-examples.jar org.apache.heron.examples.streamlet.WindowedWordCountTopology WindowedWordCountTopology [2020-03-12 14:24:15 +0800] [INFO]: Using cluster definition in...
I modify the tracker.yaml to integrating yarn. The file is below: statemgrs: # # To use 'localzk', launch a zookeeper server locally # and create the following path: # *....
I can start standalone cluster well, but when I stop it, the error is below: heron-admin standalone cluster stop Are you sure you want to stop the cluster? This will...
I want to setup heron cluster base on yarn, but it is difficult to understand this document. It is well if a detail document is provided. how to understand -...
Add 'heron' in the list of 'Stream Processing': https://cwiki.apache.org/confluence/display/KAFKA/Ecosystem
org.apache.hadoop.ipc.RemoteException: Server IPC version 9 cannot communicate with client version 3
My simple hdfs codes is: private String hdfsuri = "hdfs://localhost:9000"; FilesystemSink(String name) { this.name = name; } /** * The setup function is called before the sink is used. Any...
In storm I can see many examples for integration with database, it is very sad that I can not see anyone in heron.
heron submit local heron-kafka-spout-java-sample.jar org.apache.heron.spouts.kafka.sample.HeronKafkaSpoutSampleTopology HeronKafkaSpoutSampleTopology [2020-02-22 19:38:04 +0800] [INFO]: Using cluster definition in /Users/guoxinghua/.heron/conf/local Error: A JNI error has occurred, please check your installation and try again Exception in...