[GitHub] [carbondata] ajantha-bhat commented on a change in pull request #4059: [CARBONDATA-4092] Fix concurrent issues in delete segment API's and MV flow

[GitBox]

ajantha-bhat commented on a change in pull request #4059:
URL: https://github.com/apache/carbondata/pull/4059#discussion_r546538696



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File path: core/src/main/java/org/apache/carbondata/core/view/MVProvider.java
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@@ -540,7 +540,7 @@ private void checkAndReloadSchemas(MVManager viewManager, 
boolean touchFile)
       }
     }
 
-    private void touchMDTFile() throws IOException {
+    private synchronized void touchMDTFile() throws IOException {

Review comment:
       checkAndReloadSchemas, better to return a flag whether it has touched 
MDT or not, if false then only we can call touchMDT




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