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Posted to issues@ignite.apache.org by "Nikolay Izhikov (Jira)" <ji...@apache.org> on 2020/04/17 07:49:00 UTC
[jira] [Updated] (IGNITE-12459) Searching checkpoint record in WAL
doesn't work with segment compaction
[ https://issues.apache.org/jira/browse/IGNITE-12459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nikolay Izhikov updated IGNITE-12459:
-------------------------------------
Fix Version/s: 2.8.1
> Searching checkpoint record in WAL doesn't work with segment compaction
> -----------------------------------------------------------------------
>
> Key: IGNITE-12459
> URL: https://issues.apache.org/jira/browse/IGNITE-12459
> Project: Ignite
> Issue Type: Bug
> Reporter: Anton Kalashnikov
> Assignee: Anton Kalashnikov
> Priority: Major
> Fix For: 2.9, 2.8.1
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> During iteration over WAL we have two invariants about result(Tuple<WALPointer, WALRecord>):
> * WALPointer equal to WALRecord.position() when segment is uncompacted
> * WALPointer not equal to WALRecord.position() when the segment is compacted
> Unfortunately, the second variant is broken in FileWriteAheadLogManager#read(WALPointer ptr)
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