mukul1987 commented on a change in pull request #1226: HDDS-1610. 
applyTransaction failure should not be lost on restart.
URL: https://github.com/apache/hadoop/pull/1226#discussion_r313771945
 
 

 ##########
 File path: 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/ContainerStateMachine.java
 ##########
 @@ -265,6 +269,13 @@ public void persistContainerSet(OutputStream out) throws 
IOException {
   public long takeSnapshot() throws IOException {
     TermIndex ti = getLastAppliedTermIndex();
     long startTime = Time.monotonicNow();
+    if (!isStateMachineHealthy.get()) {
+      String msg =
+          "Failed to take snapshot " + " for " + gid + " as the stateMachine"
+              + " is unhealthy. The last applied index is at " + ti;
 
 Review comment:
   lets log this as well.

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