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https://issues.apache.org/jira/browse/HIVE-25080?focusedWorklogId=599211&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-599211
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ASF GitHub Bot logged work on HIVE-25080:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/May/21 13:08
Start Date: 19/May/21 13:08
Worklog Time Spent: 10m
Work Description: klcopp commented on a change in pull request #2297:
URL: https://github.com/apache/hive/pull/2297#discussion_r635220587
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java
##########
@@ -292,7 +292,10 @@
TxnStatus.OPEN + "' AND \"TXN_TYPE\" != "+
TxnType.REPL_CREATED.getValue() +") \"T\" CROSS JOIN (" +
"SELECT COUNT(*), MIN(\"TXN_ID\"), ({0} - MIN(\"TXN_STARTED\"))/1000
FROM \"TXNS\" WHERE \"TXN_STATE\"='" +
TxnStatus.ABORTED + "') \"A\" CROSS JOIN (" +
- "SELECT COUNT(*), ({0} - MIN(\"HL_ACQUIRED_AT\"))/1000 FROM
\"HIVE_LOCKS\") \"HL\"";
+ "SELECT COUNT(*), ({0} - MIN(\"HL_ACQUIRED_AT\"))/1000 FROM
\"HIVE_LOCKS\") \"HL\" CROSS JOIN (" +
+ "SELECT ({0} - MIN(\"CQ_ENQUEUE_TIME\"))/1000 from \"COMPACTION_QUEUE\"
WHERE " +
Review comment:
I think CQ_ENQUEUE_TIME is the time that the compaction was put in
"initiated" state. Either CQ_ENQUEUE_TIME value should be updated when the
compaction is put in "ready for cleaning" or we need a new column in the
compaction queue.
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Issue Time Tracking
-------------------
Worklog Id: (was: 599211)
Time Spent: 20m (was: 10m)
> Create metric about oldest entry in "ready for cleaning" state
> --------------------------------------------------------------
>
> Key: HIVE-25080
> URL: https://issues.apache.org/jira/browse/HIVE-25080
> Project: Hive
> Issue Type: Bug
> Reporter: Antal Sinkovits
> Assignee: Antal Sinkovits
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When a compaction txn commits, COMPACTION_QUEUE.CQ_COMMIT_TIME is updated
> with the current time. Then the compaction state is set to "ready for
> cleaning". (... and then the Cleaner runs and the state is set to "succeeded"
> hopefully)
> Based on this we know (roughly) how long a compaction has been in state
> "ready for cleaning".
> We should create a metric similar to compaction_oldest_enqueue_age_in_sec
> that would show that the cleaner is blocked by something i.e. find the
> compaction in "ready for cleaning" that has the oldest commit time.
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