[
https://issues.apache.org/jira/browse/HIVE-23805?focusedWorklogId=455998&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-455998
]
ASF GitHub Bot logged work on HIVE-23805:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jul/20 10:36
Start Date: 08/Jul/20 10:36
Worklog Time Spent: 10m
Work Description: pvargacl commented on a change in pull request #1224:
URL: https://github.com/apache/hive/pull/1224#discussion_r451446059
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java
##########
@@ -1262,8 +1262,8 @@ public static boolean isAcid(FileSystem fileSystem, Path
directory,
* @throws IOException on filesystem errors
*/
public static Directory getAcidState(FileSystem fileSystem, Path
candidateDirectory, Configuration conf,
- ValidWriteIdList writeIdList, Ref<Boolean> useFileIds, boolean
ignoreEmptyFiles) throws IOException {
- return getAcidState(fileSystem, candidateDirectory, conf, writeIdList,
useFileIds, ignoreEmptyFiles, null);
+ ValidWriteIdList writeIdList, ValidTxnList validTxnList, Ref<Boolean>
useFileIds, boolean ignoreEmptyFiles) throws IOException {
+ return getAcidState(fileSystem, candidateDirectory, conf, writeIdList,
validTxnList, useFileIds, ignoreEmptyFiles, null);
Review comment:
I will create a separate issue to change getAcidState to get just one
parameter with builder pattern, because this is getting out of hand
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Issue Time Tracking
-------------------
Worklog Id: (was: 455998)
Time Spent: 20m (was: 10m)
> ValidReadTxnList need not be constructed multiple times in
> AcidUtils::getAcidState
> -----------------------------------------------------------------------------------
>
> Key: HIVE-23805
> URL: https://issues.apache.org/jira/browse/HIVE-23805
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Peter Varga
> Priority: Major
> Labels: pull-request-available
> Attachments: Screenshot 2020-07-06 at 4.53.44 PM.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java#L1273]
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java#L1286]
>
> {code:java}
> String s = conf.get(ValidTxnList.VALID_TXNS_KEY);
>
>
> if(!Strings.isNullOrEmpty(s)) {
>
> ...
> ...
> validTxnList.readFromString(s);
>
>
> } {code}
>
>
> !Screenshot 2020-07-06 at 4.53.44 PM.png|width=610,height=621!
> AM spends good amount of CPU parsing the same validtxnlist multiple times.
>
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