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https://issues.apache.org/jira/browse/HIVE-25393?focusedWorklogId=628347&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-628347
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ASF GitHub Bot logged work on HIVE-25393:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Jul/21 10:38
Start Date: 27/Jul/21 10:38
Worklog Time Spent: 10m
Work Description: deniskuzZ commented on a change in pull request #2503:
URL: https://github.com/apache/hive/pull/2503#discussion_r677327987
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Worker.java
##########
@@ -716,6 +757,13 @@ void open(CompactionInfo ci) throws TException {
}
this.txnId = msc.openTxn(ci.runAs, TxnType.COMPACTION);
status = TxnStatus.OPEN;
+
+ LockRequest lockRequest = createLockRequest(ci, txnId);
+ LockResponse res = msc.lock(lockRequest);
Review comment:
automatically on commit/abort
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Issue Time Tracking
-------------------
Worklog Id: (was: 628347)
Remaining Estimate: 0h
Time Spent: 10m
> Prevent concurrent compaction and DDL operations
> ------------------------------------------------
>
> Key: HIVE-25393
> URL: https://issues.apache.org/jira/browse/HIVE-25393
> Project: Hive
> Issue Type: Task
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Introduce read locks in compaction (MR, Minor Query-based) that would prevent
> concurrency issues with DDL operations (DROP/RENAME table).
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