[jira] [Updated] (HBASE-29831) Region replica's can fall behind due to a NPE during processing

["Kodey Converse (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-29831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kodey Converse updated HBASE-29831:
-----------------------------------
    Fix Version/s: 2.6.5

> Region replica's can fall behind due to a NPE during processing
> ---------------------------------------------------------------
>
>                 Key: HBASE-29831
>                 URL: https://issues.apache.org/jira/browse/HBASE-29831
>             Project: HBase
>          Issue Type: Bug
>          Components: read replicas
>            Reporter: Kodey Converse
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 2.7.0, 2.6.5
>
>
> The {{RegionReplicaReplicationEndpoint}} checks table descriptors while it's processing WAL edits to attempt to update it's cache of replication factors. This check does not handle a table being dropped while the endpoint is running (even if the table being dropped does not have replicas enabled), which results in the endpoint crashing and not recovering until a restart of the RegionServer. Replicas for all regions (including regions from other tables) hosted by the RegionServer stop being updated.



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