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https://issues.apache.org/jira/browse/HBASE-29219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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asolomon reassigned HBASE-29219:
--------------------------------
Assignee: asolomon
> Ignore Empty WAL Files While Consuming Backed-Up WAL Files
> ----------------------------------------------------------
>
> Key: HBASE-29219
> URL: https://issues.apache.org/jira/browse/HBASE-29219
> Project: HBase
> Issue Type: Task
> Components: backup&restore
> Reporter: Vinayak Hegde
> Assignee: asolomon
> Priority: Major
>
> Currently, {{ContinuousBackupReplicationEndpoint}} creates WAL files in the
> backup location and continuously writes incoming WAL entries.
> These WAL files are consumed during *Point-In-Time Recovery (PITR)* and
> {*}incremental backups{*}. However, an edge case may arise:
> If we attempt to access a WAL file that is currently {*}empty{*}—for
> instance, when the *Continuous Backup Replication Endpoint* closes a file,
> reopens a new one for writing, but has not yet written any data—an exception
> occurs. The WAL file reader throws an error indicating that the {*}WAL PB
> magic is missing{*}.
> To handle this, we need to *skip/ignore empty WAL files* and continue
> processing the remaining files without interruption.
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