chengjianyun commented on a change in pull request #4079:
URL: https://github.com/apache/iotdb/pull/4079#discussion_r738887977
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File path:
cluster/src/main/java/org/apache/iotdb/cluster/query/fill/ClusterPreviousFill.java
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@@ -120,7 +121,9 @@ private TimeValuePair performPreviousFill(
}
CountDownLatch latch = new CountDownLatch(partitionGroups.size());
PreviousFillHandler handler = new PreviousFillHandler(latch);
-
+ // TODO it is not suitable for register and deregister an Object to JMX to
such a frequent
+ // function call.
+ // BUT is it suitable to create a thread pool for each calling??
ExecutorService fillService =
Executors.newFixedThreadPool(partitionGroups.size());
Review comment:
created JIRA issue: https://issues.apache.org/jira/browse/IOTDB-1904
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