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Showing content from https://github.com/zheolong/kafka-manager/ below:

zheolong/kafka-manager: A tool for managing Apache Kafka.

A tool for managing Apache Kafka.

It supports the following :

• Manage multiple clusters
• Easy inspection of cluster state (topics, consumers, offsets, brokers, replica distribution, partition distribution)
• Run preferred replica election
• Generate partition assignments with option to select brokers to use
• Run reassignment of partition (based on generated assignments)
• Create a topic with optional topic configs (0.8.1.1 has different configs than 0.8.2+)
• Delete topic (only supported on 0.8.2+ and remember set delete.topic.enable=true in broker config)
• Topic list now indicates topics marked for deletion (only supported on 0.8.2+)
• Batch generate partition assignments for multiple topics with option to select brokers to use
• Batch run reassignment of partition for multiple topics
• Add partitions to existing topic
• Update config for existing topic
• Optionally enable JMX polling for broker level and topic level metrics.
• Optionally filter out consumers that do not have ids/ owners/ & offsets/ directories in zookeeper.

Cluster Management

Topic List

Topic View

Consumer List View

Consumed Topic View

Broker List

Broker View

1. Kafka 0.8.1.1 or 0.8.2.1
2. sbt 0.13.x
3. Java 8+

The minimum configuration is the zookeeper hosts which are to be used for kafka manager state. This can be found in the application.conf file in conf directory. The same file will be packaged in the distribution zip file; you may modify settings after unzipping the file on the desired server.

kafka-manager.zkhosts="my.zookeeper.host.com:2181"

You can specify multiple zookeeper hosts by comma delimiting them, like so:

kafka-manager.zkhosts="my.zookeeper.host.com:2181,other.zookeeper.host.com:2181"

Alternatively, use the environment variable ZK_HOSTS if you don't want to hardcode any values.

ZK_HOSTS="my.zookeeper.host.com:2181"

You can optionally enable/disable the following functionality by modifying the default list in application.conf :

application.features=["KMClusterManagerFeature","KMTopicManagerFeature","KMPreferredReplicaElectionFeature","KMReassignPartitionsFeature"]

• KMClusterManagerFeature - allows adding, updating, deleting cluster from Kafka Manager
• KMTopicManagerFeature - allows adding, updating, deleting topic from a Kafka cluster
• KMPreferredReplicaElectionFeature - allows running of preferred replica election for a Kafka cluster
• KMReassignPartitionsFeature - allows generating partition assignments and reassigning partitions

The command below will create a zip file which can be used to deploy the application.

Please refer to play framework documentation on production deployment.

If java is not in your path, or you need to build against a specific java version, please use the following (the example assumes oracle java8):

$ PATH=/usr/local/oracle-java-8/bin:$PATH \
  JAVA_HOME=/usr/local/oracle-java-8 \
  /path/to/sbt -java-home /usr/local/oracle-java-8 dist clean

This ensures that the 'java' and 'javac' binaries in your path are first looked up in the oracle java8 release. Next, for all downstream tools that only listen to JAVA_HOME, it points them to the oracle java8 location. Lastly, it tells sbt to use the oracle java8 location as well.

After extracting the produced zipfile, and changing the working directory to it, you can run the service like this:

By default, it will choose port 9000. This is overridable, as is the location of the configuration file. For example:

$ bin/kafka-manager -Dconfig.file=/path/to/application.conf -Dhttp.port=8080

Again, if java is not in your path, or you need to run against a different version of java, add the -java-home option as follows:

$ bin/kafka-manager -java-home /usr/local/oracle-java-8

If you'd like to create a Debian or RPM package instead, you can run one of:

sbt debian:packageBin

sbt rpm:packageBin

Logo/favicon used is from Apache Kafka.

Most of the utils code has been adapted to work with Apache Curator from Apache Kafka.

Apache Licensed. See accompanying LICENSE file.

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