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https://issues.apache.org/jira/browse/IGNITE-9903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16669954#comment-16669954
 ] 

Ignite TC Bot commented on IGNITE-9903:
---------------------------------------

{panel:title=Possible 
Blockers|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Binary Objects (Simple Mapper Basic){color} [[tests 
2|https://ci.ignite.apache.org/viewLog.html?buildId=2203066]]
* IgniteBinarySimpleNameMapperBasicTestSuite: 
IgniteDiagnosticMessagesTest.testSeveralLongRunningTxs - 0,0% fails in last 100 
master runs.

{color:#d04437}PDS 2{color} [[tests 0 Exit Code 
|https://ci.ignite.apache.org/viewLog.html?buildId=2203158]]
* 
ClientAffinityAssignmentWithBaselineTest.testDynamicCacheLongTransactionNodeStart
 (last started)

{panel}
[TeamCity Run All 
Results|http://ci.ignite.apache.org/viewLog.html?buildId=2203173&buildTypeId=IgniteTests24Java8_RunAll]

> Copy only actual amount of data during archiving of WAL segment
> ---------------------------------------------------------------
>
>                 Key: IGNITE-9903
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9903
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Andrey Gura
>            Assignee: Alexey Stelmak
>            Priority: Major
>             Fix For: 2.8
>
>
> Current WAL archiver implementation copies full WAL segment to the archive 
> while actual size of the segment can be significantly less then 
> {{maxWalSegmentSize}} (segment files are preallocated for max possible 
> segment size). 
> In order to reduce disk space consuming we need copy only actual data of 
> segment using {{SWITCH_SEGMENT_RECORD}} as marker. It will require some kind 
> of WAL iterator implementation that will just copy WAL records using 
> information about record size without records deserialization.



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