[ 
https://issues.apache.org/jira/browse/HIVE-25482?focusedWorklogId=644186&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-644186
 ]

ASF GitHub Bot logged work on HIVE-25482:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 31/Aug/21 14:57
            Start Date: 31/Aug/21 14:57
    Worklog Time Spent: 10m 
      Work Description: avpash43 commented on a change in pull request #2610:
URL: https://github.com/apache/hive/pull/2610#discussion_r698521908



##########
File path: 
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java
##########
@@ -602,6 +602,13 @@ public static ConfVars getMetaConf(String name) {
     CONNECTION_USER_NAME("javax.jdo.option.ConnectionUserName",
         "javax.jdo.option.ConnectionUserName", "APP",
         "Username to use against metastore database"),
+    
CONNECTION_LEAK_DETECTION_THRESHOLD("javax.jdo.option.ConnectionLeakDetectionThreshold",

Review comment:
       "Can you refer to MetaStoreConf?" - I didn't catch you. What do you 
mean? Just create constant or what?

##########
File path: 
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java
##########
@@ -602,6 +602,13 @@ public static ConfVars getMetaConf(String name) {
     CONNECTION_USER_NAME("javax.jdo.option.ConnectionUserName",
         "javax.jdo.option.ConnectionUserName", "APP",
         "Username to use against metastore database"),
+    
CONNECTION_LEAK_DETECTION_THRESHOLD("javax.jdo.option.ConnectionLeakDetectionThreshold",

Review comment:
       "Can you refer to MetaStoreConf?" - I didn't catch you. What do you 
mean? Just create constant or what?

##########
File path: 
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java
##########
@@ -602,6 +602,13 @@ public static ConfVars getMetaConf(String name) {
     CONNECTION_USER_NAME("javax.jdo.option.ConnectionUserName",
         "javax.jdo.option.ConnectionUserName", "APP",
         "Username to use against metastore database"),
+    
CONNECTION_LEAK_DETECTION_THRESHOLD("javax.jdo.option.ConnectionLeakDetectionThreshold",

Review comment:
       fixed




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 644186)
    Time Spent: 2h 10m  (was: 2h)

> Add option to enable connectionLeak detection for Hikari datasource
> -------------------------------------------------------------------
>
>                 Key: HIVE-25482
>                 URL: https://issues.apache.org/jira/browse/HIVE-25482
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Aleksandr Pashkovskii
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> There are corner cases where we observed connection leaks to DB.
>  
> It will be good to add an option to provide connection leak timeout parameter 
> in HikariCPDataSourceProvider.
> [https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/datasource/HikariCPDataSourceProvider.java#L69]
> e.g following should help Hikari to warn about connection leak, when a 
> connection is not returned to the pool for 1 hour.
> {noformat}
> config.setLeakDetectionThreshold(3600*1000); {noformat}
>  



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