GitHub user zhaoqun911 opened a pull request: https://github.com/apache/incubator-rocketmq-externals/pull/30
[ROCKETMQ-293] Add high-availability support for rocketmq-mysql-replicator ### What is the purpose of the change Add high-availability support for rocketmq-mysql-replicator in order to ensure availability, if a replicator instance crashes, another instance will be started. JIRA:https://issues.apache.org/jira/browse/ROCKETMQ-293 ### Brief change log * Add HA-mode for rocketmq-mysql-replicator. ### Verifying this change * Start a zookeeper instance. * Add the âzkAddrâ property in the ârocketmq-mysql.confâ file. * Start the replicator to verify. Follow this checklist to help us incorporate your contribution quickly and easily: - [x] Make sure there is a [JIRA issue]( https://issues.apache.org/jira/projects/ROCKETMQ/issues/) filed for the change (usually before you start working on it). Trivial changes like typos do not require a JIRA issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue. - [x] Format the pull request title like `[ROCKETMQ-XXX] Fix UnknownException when host config not exist`. Each commit in the pull request should have a meaningful subject line and body. - [x] Write a pull request description that is detailed enough to understand what the pull request does, how, and why. - [x] Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exists. If the new feature or significant change is committed, please remember to add integration-test in [test module](https://github.com/apache/incubator-rocketmq/tree/master/test ). - [x] Run `mvn -B clean apache-rat:check findbugs:findbugs checkstyle:checkstyle` to make sure basic checks pass. Run `mvn clean install -DskipITs` to make sure unit-test pass. Run `mvn clean test-compile failsafe:integration-test` to make sure integration-test pass. - [x] If this contribution is large, please file an [Apache Individual Contributor License Agreement](http://www.apache.org/licenses/#clas). You can merge this pull request into a Git repository by running: $ git pull https://github.com/zhaoqun911/incubator-rocketmq-externals mysql-develop Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-rocketmq-externals/pull/30.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #30 ---- commit 3906df66e1e7e6ce9b26a476a205c32a34182441 Author: zhaoqun007 <9...@zhaoqun911.cn> Date: 2017-09-20T11:10:44Z Add high-availability support for rocketmq-mysql-replicator using zookeeper. ---- ---