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https://issues.apache.org/jira/browse/HIVE-25688?focusedWorklogId=697220&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-697220
]
ASF GitHub Bot logged work on HIVE-25688:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Dec/21 11:59
Start Date: 16/Dec/21 11:59
Worklog Time Spent: 10m
Work Description: deniskuzZ commented on a change in pull request #2780:
URL: https://github.com/apache/hive/pull/2780#discussion_r770475147
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -126,7 +122,7 @@ public void run() {
List<CompactionInfo> readyToClean =
txnHandler.findReadyToClean(minOpenTxnId, retentionTime);
if (!readyToClean.isEmpty()) {
long minTxnIdSeenOpen = txnHandler.findMinTxnIdSeenOpen();
- final long cleanerWaterMark = minTxnIdSeenOpen < 0 ? minOpenTxnId
: Math.min(minOpenTxnId, minTxnIdSeenOpen);
+ long cleanerWaterMark = minTxnIdSeenOpen < 0 ? minOpenTxnId :
Math.min(minOpenTxnId, minTxnIdSeenOpen);
Review comment:
by mistake, restored
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Issue Time Tracking
-------------------
Worklog Id: (was: 697220)
Time Spent: 3h (was: 2h 50m)
> Non blocking DROP PARTITION implementation
> ------------------------------------------
>
> Key: HIVE-25688
> URL: https://issues.apache.org/jira/browse/HIVE-25688
> Project: Hive
> Issue Type: Task
> Reporter: Denys Kuzmenko
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h
> Remaining Estimate: 0h
>
> This changes the drop partition operation to asynchronous. The data files of
> transactional tables will not be deleted, but a new truncated basefile will
> be written, which is going to be later cleaned up by the Compactor/Cleaner.
> This along with a few other changes will enable us to not use read locks,
> which provides perf boost to the transactional tables.
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