[GitHub] [incubator-iotdb] jixuan1989 commented on a change in pull request #145: fix the future instance is replaced when the flush frequency is high

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jixuan1989 commented on a change in pull request #145: fix the future instance is replaced when the flush frequency is high
URL: https://github.com/apache/incubator-iotdb/pull/145#discussion_r274811847
 
 

 ##########
 File path: iotdb/src/main/java/org/apache/iotdb/db/engine/bufferwrite/BufferWriteProcessor.java
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 @@ -332,16 +332,16 @@ private boolean flushTask(String displayMessage, long version) {
     }
     lastFlushTime = System.nanoTime();
     // check value count
+    // waiting for the end of last flush operation.
+    try {
+      flushFuture.get();
+    } catch (InterruptedException | ExecutionException e) {
 
 Review comment:
   I think we need to throw it.

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