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https://issues.apache.org/jira/browse/HIVE-25535?focusedWorklogId=652815&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-652815
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ASF GitHub Bot logged work on HIVE-25535:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Sep/21 07:58
Start Date: 20/Sep/21 07:58
Worklog Time Spent: 10m
Work Description: ashish-kumar-sharma commented on a change in pull
request #2651:
URL: https://github.com/apache/hive/pull/2651#discussion_r711948451
##########
File path:
ql/src/test/org/apache/hadoop/hive/ql/txn/compactor/CompactorTest.java
##########
@@ -17,6 +17,7 @@
*/
package org.apache.hadoop.hive.ql.txn.compactor;
+import com.amazonaws.services.dynamodbv2.xspec.S;
Review comment:
Removed
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Issue Time Tracking
-------------------
Worklog Id: (was: 652815)
Time Spent: 40m (was: 0.5h)
> Control cleaning obsolete directories/files of a table via property
> -------------------------------------------------------------------
>
> Key: HIVE-25535
> URL: https://issues.apache.org/jira/browse/HIVE-25535
> Project: Hive
> Issue Type: Improvement
> Reporter: Ashish Sharma
> Assignee: Ashish Sharma
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> *Use Case* -
> When external tool like [SPARK_ACID |https://github.com/qubole/spark-acid]try
> to access hive metastore directly instead of accessing LLAP or hs2 which
> lacks the ability of take acquires locks on the metastore artefacts. Due to
> which if any spark acid jobs starts and at the same time compaction happens
> in hive with leads to exceptions like *FileNotFound* for delta directory
> because at time of spark acid compilation phase delta files are present but
> when execution start delta files are deleted by compactor.
> Inorder to tackle problem like this I am proposing to add a config
> "NO_CLEANUP" is table properties and partition properties which provide
> higher control on table and partition compaction process.
> We already have
> "[HIVE_COMPACTOR_DELAYED_CLEANUP_ENABLED|https://github.com/apache/hive/blob/71583e322fe14a0cfcde639629b509b252b0ed2c/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java#L3243]";
> which allow us to delay the deletion of "obsolete directories/files" but it
> is applicable to all the table in metastore where this config will provide
> table and partition level control.
> *Solution* -
> Add "NO_CLEANUP" in the table properties enable/disable the table-level and
> partition cleanup and prevent the cleaner process from automatically cleaning
> obsolete directories/files.
> Example -
> ALTER TABLE <tablename> SET TBLPROPERTIES('NO_CLEANUP'=FALSE/TRUE);
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