HBASE-23364 HRegionServer sometimes does not shut down.
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/LossyCounting.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/LossyCounting.java
index d730a01..be9bf42 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/LossyCounting.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/LossyCounting.java
@@ -34,6 +34,7 @@
import org.slf4j.LoggerFactory;
import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;
+import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;
/**
* LossyCounting utility, bounded data structure that maintains approximate high frequency
@@ -75,7 +76,8 @@
this.data = new ConcurrentHashMap<>();
this.listener = listener;
calculateCurrentTerm();
- executor = Executors.newSingleThreadExecutor();
+ executor = Executors.newSingleThreadExecutor(
+ new ThreadFactoryBuilder().setDaemon(true).setNameFormat("lossy-count-%d").build());
}
public LossyCounting(String name, LossyCountingListener listener) {
