[jira] [Commented] (HIVE-25740) Handle race condition between compaction txn abort/commit and heartbeater

2021-12-02 Thread Marton Bod (Jira) 


[ 
https://issues.apache.org/jira/browse/HIVE-25740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17452495#comment-17452495
 ] 

Marton Bod commented on HIVE-25740:
---

Pushed to master. Thanks for reviewing [~klcopp] , [~pvary] and [~szita] !

> Handle race condition between compaction txn abort/commit and heartbeater
> -
>
> Key: HIVE-25740
> URL: https://issues.apache.org/jira/browse/HIVE-25740
> Project: Hive
>  Issue Type: Bug
>Reporter: Marton Bod
>Assignee: Marton Bod
>Priority: Major
>  Labels: pull-request-available
>  Time Spent: 4h 10m
>  Remaining Estimate: 0h
>
> This issue is the following: once the compaction worker finishes, 
> commitTxn/abortTxn is invoked first, and the heartbeater thread is only 
> interrupted after that. This can lead to race conditions where the txn has 
> already been deleted from the backend DB via commit/abort, but the 
> concurrently running heartbeater thread still attempts to send a last 
> heartbeat after that, but the txn id won't be found in the DB, leading to 
> {{{}NoSuchTxnException{}}}.



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[jira] [Commented] (HIVE-25740) Handle race condition between compaction txn abort/commit and heartbeater

2021-11-26 Thread Marton Bod (Jira) 


[ 
https://issues.apache.org/jira/browse/HIVE-25740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17449492#comment-17449492
 ] 

Marton Bod commented on HIVE-25740:
---

PR: [https://github.com/apache/hive/pull/2817]

 

> Handle race condition between compaction txn abort/commit and heartbeater
> -
>
> Key: HIVE-25740
> URL: https://issues.apache.org/jira/browse/HIVE-25740
> Project: Hive
>  Issue Type: Bug
>Reporter: Marton Bod
>Assignee: Marton Bod
>Priority: Major
>
> This issue is the following: once the compaction worker finishes, 
> commitTxn/abortTxn is invoked first, and the heartbeater thread is only 
> interrupted after that. This can lead to race conditions where the txn has 
> already been deleted from the backend DB via commit/abort, but the 
> concurrently running heartbeater thread still attempts to send a last 
> heartbeat after that, but the txn id won't be found in the DB, leading to 
> {{{}NoSuchTxnException{}}}.



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