[GitHub] [incubator-celeborn] AngersZhuuuu commented on a diff in pull request #1033: [CELEBORN-94][BUG] StateMachine should implement pause to change status

[GitBox <gi...@apache.org>]

AngersZhuuuu commented on code in PR #1033:
URL: https://github.com/apache/incubator-celeborn/pull/1033#discussion_r1036673800


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master/src/main/java/org/apache/celeborn/service/deploy/master/clustermeta/ha/StateMachine.java:
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@@ -189,8 +191,16 @@ public void initialize(RaftServer server, RaftGroupId id, RaftStorage raftStorag
   @Override
   public void reinitialize() throws IOException {
     LOG.info("Reinitializing state machine.");
+    getLifeCycle().compareAndTransition(PAUSED, STARTING);
     storage.loadLatestSnapshot();
     loadSnapshot(storage.getLatestSnapshot());
+    getLifeCycle().compareAndTransition(STARTING, RUNNING);
+  }
+
+  @Override
+  public void pause() {

Review Comment:
   > why not just change from running to paused?
   
   <img width="595" alt="截屏2022-12-01 下午12 13 54" src="https://user-images.githubusercontent.com/46485123/204964366-1aa73838-fa78-4633-b693-95cb2c37dbb6.png">
   



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