Build

Build&Deployment

  1. Execute the following command to compile and generate the ShardingSphere-Scaling binary package:
git clone https://github.com/apache/shardingsphere.git；
cd shardingsphere;
mvn clean install -Prelease;

The binary package’s directory is:/shardingsphere-distribution/shardingsphere-scaling-distribution/target/apache-shardingsphere-${latest.release.version}-shardingsphere-scaling-bin.tar.gz。

  1. Unzip the distribution package, modify the configuration file conf/server.yaml, we should ensure the port does not conflict with others, and modify the resume from break-point(optional) server lists:
port: 8888
blockQueueSize: 10000
pushTimeout: 1000
workerThread: 30

resumeBreakPoint:
  name: scalingJob
  registryCenter:
    type: ZooKeeper
    serverLists: localhost:2181
    props:
      retryIntervalMilliseconds: 10000
  1. Start up ShardingSphere-Scaling:
sh bin/start.sh

  1. See the log file logs/stdout.log，ensure startup successfully.

  2. Ensure startup successfully by curl.

curl -X GET http://localhost:8888/scaling/job/list

response:

{"success":true,"errorCode":0,"errorMsg":null,"model":[]}

Shutdown ShardingSphere-Scaling

sh bin/stop.sh

Configuration

The existing configuration items are as follows, We can modify them in conf/server.yaml：

Name Description Default value
port Listening port of HTTP server 8888
blockQueueSize Queue size of data transmission channel 10000
pushTimeout Data push timeout(ms) 1000
workerThread Worker thread pool size, the number of migration task threads allowed to run concurrently 30
resumeBreakPoint Resume from break-point service