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License: MIT License
Contains a Dockerised Spark cluster including Cassandra, YARN, HDFS and Zeppelin. For education only.
License: MIT License
Move to official Kafka, Cassandra; move everything else to Alpine.
https://www.brianchristner.io/docker-is-moving-to-alpine-linux/ ; and
http://blog.replicated.com/2016/02/05/refactoring-a-dockerfile-for-image-size/
The following output appears. Spark standalone cluster should be removed entirely in favour of YARN.
spark-1 | Starting Slave ID: 36042; IP Address: 172.18.0.5 ; Master: spark-master:7077
spark-1 | starting datanode, logging to /usr/local/hadoop/logs/hadoop--datanode-spark-1.out
spark-1 | chown: missing operand after '/usr/local/hadoop/logs'
spark-1 | Try 'chown --help' for more information.
spark-1 | starting nodemanager, logging to /usr/local/hadoop/logs/yarn--nodemanager-spark-1.out
spark-1 | rsync from spark-master:7077
spark-1 | starting org.apache.spark.deploy.worker.Worker, logging to /usr/local/spark/sbin/../logs/spark--org.apache.spark.deploy.worker.Worker-1-spark-1.out
spark-1 | ssh: connect to host spark-master port 22: Connection refused
spark-1 | rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
spark-1 | rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.0]
spark-1 | Spark Command: /usr/lib/jvm/java-8-oracle//bin/java -cp /usr/local/spark/sbin/../conf/:/usr/local/spark/lib/spark-assembly-1.4.1-hadoop2.6.0.jar:/usr/local/spark/lib/datanucleus-api-jdo-3.2.6.jar:/usr/local/spark/lib/datanucleus-rdbms-3.2.9.jar:/usr/local/spark/lib/datanucleus-core-3.2.10.jar:/usr/local/hadoop/etc/hadoop/:/etc/hadoop -Xms512m -Xmx512m org.apache.spark.deploy.worker.Worker --webui-port 8081 36042 spark-master:7077 -h 172.18.0.5
spark-1 | ========================================
spark-1 | 16/01/25 16:27:40 INFO worker.Worker: Registered signal handlers for [TERM, HUP, INT]
spark-1 | Usage: Worker [options] <master>
spark-1 |
spark-1 | Master must be a URL of the form spark://hostname:port
spark-1 |
spark-1 | Options:
spark-1 | -c CORES, --cores CORES Number of cores to use
spark-1 | -m MEM, --memory MEM Amount of memory to use (e.g. 1000M, 2G)
spark-1 | -d DIR, --work-dir DIR Directory to run apps in (default: SPARK_HOME/work)
spark-1 | -i HOST, --ip IP Hostname to listen on (deprecated, please use --host or -h)
spark-1 | -h HOST, --host HOST Hostname to listen on
spark-1 | -p PORT, --port PORT Port to listen on (default: random)
spark-1 | --webui-port PORT Port for web UI (default: 8081)
spark-1 | --properties-file FILE Path to a custom Spark properties file.
spark-1 | Default is conf/spark-defaults.conf.
spark-1 | 16/01/25 16:27:41 INFO util.Utils: Shutdown hook called
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