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https://issues.apache.org/jira/browse/HIVE-25157?focusedWorklogId=602328&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-602328
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ASF GitHub Bot logged work on HIVE-25157:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/May/21 13:15
Start Date: 26/May/21 13:15
Worklog Time Spent: 10m
Work Description: belugabehr commented on a change in pull request #2312:
URL: https://github.com/apache/hive/pull/2312#discussion_r639714420
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/cache/results/QueryResultsCache.java
##########
@@ -601,66 +591,59 @@ public boolean setEntryValid(CacheEntry cacheEntry,
FetchWork fetchWork) {
}
public void clear() {
- Lock writeLock = rwLock.writeLock();
+ cacheWriteLock.lock();
try {
- writeLock.lock();
LOG.info("Clearing the results cache");
- CacheEntry[] allEntries = null;
- synchronized (lru) {
- allEntries = lru.keySet().toArray(EMPTY_CACHEENTRY_ARRAY);
- }
- for (CacheEntry entry : allEntries) {
Review comment:
The `cacheWrite` lock is held here so no need to synchronize on `lru`
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Issue Time Tracking
-------------------
Worklog Id: (was: 602328)
Time Spent: 2.5h (was: 2h 20m)
> Clean up QueryResultsCache Code
> -------------------------------
>
> Key: HIVE-25157
> URL: https://issues.apache.org/jira/browse/HIVE-25157
> Project: Hive
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> * Remove superfluous code
> * Simplify lock usage (remove instances of {{synchronization}})
> * Simplify code with Guava {{Multimap}}
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