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https://issues.apache.org/jira/browse/HIVE-23793?focusedWorklogId=457843&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-457843
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ASF GitHub Bot logged work on HIVE-23793:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Jul/20 02:45
Start Date: 13/Jul/20 02:45
Worklog Time Spent: 10m
Work Description: dengzhhu653 commented on a change in pull request #1197:
URL: https://github.com/apache/hive/pull/1197#discussion_r453406382
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/QueryInfo.java
##########
@@ -17,48 +17,58 @@
*/
package org.apache.hadoop.hive.ql;
+import java.util.concurrent.TimeUnit;
+
/**
- * The class is synchronized, as WebUI may access information about a running
query.
+ * Provide WebUI information about a running query. Class is thread safe so
that
+ * multiple browser sessions can access the data simultaneously.
*/
public class QueryInfo {
private final String userName;
private final String executionEngine;
- private final long beginTime;
private final String operationId;
- private Long runtime; // tracks only running portion of the query.
- private Long endTime;
private String state;
private QueryDisplay queryDisplay;
+ /*
+ * Times are stored internally with nanosecond precision.
+ */
+ private final long beginTime;
+ private long runtime;
Review comment:
Should the runtime, endTime, state better make them volatile if remove
the synchronized?
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Issue Time Tracking
-------------------
Worklog Id: (was: 457843)
Time Spent: 1h 20m (was: 1h 10m)
> Review of QueryInfo Class
> -------------------------
>
> Key: HIVE-23793
> URL: https://issues.apache.org/jira/browse/HIVE-23793
> Project: Hive
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
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