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https://issues.apache.org/jira/browse/IGNITE-13912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17292807#comment-17292807
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shivakumar commented on IGNITE-13912:
-------------------------------------

Hi [~ktkale...@gridgain.com]

It is very difficult to handle all the scenario to reproduce this issue as part 
of unit test,

this is a stability test (a sql client ingesting large data) run on ignite 
cluster and visor has to connect and disconnect in-between to reproduce this 
WAL overflow issue.

If you have any suggestions or if you can join zoom call with me it will be a 
great help!

> Incorrect calculation of WAL segments that should be deleted from WAL archive
> -----------------------------------------------------------------------------
>
>                 Key: IGNITE-13912
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13912
>             Project: Ignite
>          Issue Type: Bug
>          Components: persistence
>            Reporter: Kirill Tkalenko
>            Assignee: Kirill Tkalenko
>            Priority: Critical
>             Fix For: 2.10
>
>         Attachments: config.properties, ignite-config, reproducer.zip, 
> server1-full-wal-checkpoint.log, wal-checkpoint-logs, wal_dir_contents, 
> wal_grows_from_peak.PNG, wal_issue_reproduced.PNG, wal_usage.PNG, 
> wal_usage_dec12.PNG, wal_usage_dec22nd_binary.PNG
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Now there is an incorrect calculation of WAL segments that should be deleted 
> from WAL archive. Since we delete only those segments whose total size should 
> not exceed *DataStorageConfiguration#maxWalArchiveSize * 
> IGNITE_THRESHOLD_WAL_ARCHIVE_SIZE_PERCENTAGE*, but should be up to  
> DataStorageConfiguration#maxWalArchiveSize * 
> IGNITE_THRESHOLD_WAL_ARCHIVE_SIZE_PERCENTAGE*. Therefore, an excess of 
> *DataStorageConfiguration#maxWalArchiveSize* occurs.



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