linyiqun commented on a change in pull request #1705:
URL: https://github.com/apache/ozone/pull/1705#discussion_r547997929
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/upgrade/OMPrepareRequest.java
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@@ -184,26 +188,18 @@ private static void waitForLogIndex(long indexToWaitFor,
/**
* Take a snapshot of the state machine at the last index, and purge ALL
logs.
- * @param impl RaftServerImpl instance
+ * @param division Raft server division.
* @throws IOException on Error.
*/
- public static long takeSnapshotAndPurgeLogs(RaftServerImpl impl)
+ public static long takeSnapshotAndPurgeLogs(RaftServer.Division division)
throws IOException {
- StateMachine stateMachine = impl.getStateMachine();
+ StateMachine stateMachine = division.getStateMachine();
long snapshotIndex = stateMachine.takeSnapshot();
- RaftLog raftLog = impl.getState().getLog();
- long raftLogIndex = raftLog.getLastEntryTermIndex().getIndex();
-
- // Ensure that Ratis's in memory snapshot index is the same as the index
- // of its last log entry.
- if (snapshotIndex != raftLogIndex) {
- throw new IOException("Snapshot index " + snapshotIndex + " does not " +
- "match last log index " + raftLogIndex);
- }
Review comment:
Okay, get it.
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