bshashikant commented on a change in pull request #2294:
URL: https://github.com/apache/ozone/pull/2294#discussion_r649087180
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File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMStateMachine.java
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@@ -297,6 +305,33 @@ public void notifyTermIndexUpdated(long term, long index) {
// with some information like its peers and termIndex). So, calling
// updateLastApplied updates lastAppliedTermIndex.
updateLastAppliedTermIndex(term, index);
+
+ if (currentLeaderTerm.get() == term) {
+ // On leader SCM once after it is ready, notify SCM services and also set
+ // leader ready in SCMContext.
+ if (scm.getScmHAManager().getRatisServer().getDivision().getInfo()
+ .isLeaderReady()) {
+ scm.getScmContext().setLeaderReady();
+ scm.getSCMServiceManager().notifyStatusChanged();
+ }
+
+ // Means all transactions before this term have been applied.
+ // This means after a restart, all pending transactions have been
applied.
+ // Perform
+ // 1. Refresh Safemode rules state.
+ // 2. Start DN Rpc server.
+ if (!refreshedAfterLeaderReady.get()) {
+ scm.getScmSafeModeManager().refresh();
+ scm.getDatanodeProtocolServer().start();
+
+ refreshedAfterLeaderReady.set(true);
+ }
Review comment:
Remove the empty lines.
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