okumin commented on code in PR #5639:
URL: https://github.com/apache/hive/pull/5639#discussion_r1950472675


##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/datasource/HikariCPDataSourceProvider.java:
##########
@@ -52,10 +50,7 @@ public DataSource create(Configuration hdpConfig, int 
maxPoolSize) throws SQLExc
     String user = DataSourceProvider.getMetastoreJdbcUser(hdpConfig);
     String passwd = DataSourceProvider.getMetastoreJdbcPasswd(hdpConfig);
 
-    Properties properties = replacePrefix(
-        DataSourceProvider.getPrefixedProperties(hdpConfig, HIKARI));
-    long connectionTimeout = hdpConfig.getLong(CONNECTION_TIMEOUT_PROPERTY, 
30000L);
-    long leakDetectionThreshold = hdpConfig.getLong(LEAK_DETECTION_THRESHOLD, 
3600000L);

Review Comment:
   As a new unit test explains, the default connection timeout is originally 30 
seconds.
   We also decided to use the default leak detection threshold. It doesn't 
change the behavior because the current value is invalid, and the detection is 
disabled.



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