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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/06/11 20:04:00 UTC
[jira] [Resolved] (HBASE-12437) HLogFactory should be able to accept multiple custom WALReaders in case of failure to read WAL logs due to upgrade/migrate of hbase
[ https://issues.apache.org/jira/browse/HBASE-12437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Kyle Purtell resolved HBASE-12437.
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Resolution: Invalid
> HLogFactory should be able to accept multiple custom WALReaders in case of failure to read WAL logs due to upgrade/migrate of hbase
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-12437
> URL: https://issues.apache.org/jira/browse/HBASE-12437
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 0.96.0, 0.98.4
> Reporter: Enoch Hsu
> Priority: Major
> Attachments: HBASE_12437.patch
>
>
> The HLogFactory createReader function allows the user to create their own reader and just assumes that the reader will work correctly.
> The default implementation checks between Protobuf and sequencefiles. However, the custom reader option does not account for any differences in the files.
> There should be an option or configuration to specify multiple custom readers in the case that an old custom reader was used for sequence files and and a custom reader is being used for protobuf instead of throwing an IPBRE
> The current HLogFactory does not allow me to fall back and handle upgraded file systems similar to the default case.
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