[GitHub] [rocketmq] liuzongliang0202 commented on a diff in pull request #4518: [ISSUE #4463] fix broker is normal exit, but indexFile not flush disk

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

liuzongliang0202 commented on code in PR #4518:
URL: https://github.com/apache/rocketmq/pull/4518#discussion_r907972485


##########
store/src/main/java/org/apache/rocketmq/store/index/IndexService.java:
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@@ -366,7 +366,18 @@ public void start() {
 
     }
 
+    // fix issue 4463
     public void shutdown() {
-
+        if (!indexFileList.isEmpty()) {
+            final IndexFile indexFile = indexFileList.get(indexFileList.size() - 1);
+            long indexMsgTimestamp = 0;
+            if (indexFile.isWriteFull()) {
+                indexMsgTimestamp = indexFile.getEndTimestamp();
+            }
+            indexFile.flush();
+            if (indexMsgTimestamp > 0) {
+                this.defaultMessageStore.getStoreCheckpoint().setIndexMsgTimestamp(indexMsgTimestamp);
+            }

Review Comment:
    I don't want to call getstorecheckpoint().flush() twice during shutdown .This code can be optimized, but the flush method should be modified



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