[ 
https://issues.apache.org/jira/browse/HIVE-23668?focusedWorklogId=447105&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-447105
 ]

ASF GitHub Bot logged work on HIVE-23668:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 17/Jun/20 07:47
            Start Date: 17/Jun/20 07:47
    Worklog Time Spent: 10m 
      Work Description: pkumarsinha commented on a change in pull request #1129:
URL: https://github.com/apache/hive/pull/1129#discussion_r441334160



##########
File path: 
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
##########
@@ -13142,6 +13143,28 @@ public ReplicationMetricList 
getReplicationMetrics(GetReplicationMetricsRequest
     }
   }
 
+  @Override
+  public int deleteReplicationMetrics(int maxRetainSecs) {
+    if (maxRetainSecs < 0) {
+      LOG.debug("replication metrics deletion is disabled");
+      return 0;
+    }
+    boolean committed = false;
+    Query q = null;
+    try {
+      openTransaction();
+      long maxCreateTime = (int) (System.currentTimeMillis() / 1000) - 
maxRetainSecs;

Review comment:
       We are converting long to int earlier and now int to long. why not to 
use long everywhere. Don't we have chances of loosing the precision when 
System.currentTimeMillis becomes significantly higher than Integer.MAX_VALUE

##########
File path: 
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java
##########
@@ -981,9 +981,15 @@ public static ConfVars getMetaConf(String name) {
         + " and the frequency of persisting the metrics to persistent storage. 
"
       ),
     REPL_METRICS_UPDATE_FREQUENCY("metastore.repl.metrics.update.frequency",
-      "hive.repl.metrics.update.frequency", 1 /*1 minute */,
+      "hive.repl.metrics.update.frequency", 1, TimeUnit.MINUTES /*1 minute */,
       "Frequency at which replication Metrics will be stored in persistent 
storage. "
     ),
+    REPL_METRICS_CLEANUP_FREQUENCY("metastore.repl.metrics.cleanup.frequency",

Review comment:
       REPL_METRICS_MAX_AGE set to lower value than 
REPL_METRICS_CLEANUP_FREQUENCY will result with retaining entries longer than 
REPL_METRICS_MAX_AGE set.
   If REPL_METRICS_MAX_AGEis set in days, why not to fix the 
REPL_METRICS_CLEANUP_FREQUENCY to 1 day and not make it configurable?




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

    Worklog Id:     (was: 447105)
    Time Spent: 20m  (was: 10m)

> Clean up Task for Hive Metrics
> ------------------------------
>
>                 Key: HIVE-23668
>                 URL: https://issues.apache.org/jira/browse/HIVE-23668
>             Project: Hive
>          Issue Type: Task
>            Reporter: Aasha Medhi
>            Assignee: Aasha Medhi
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-23668.01.patch, HIVE-23668.02.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>




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