[jira] [Resolved] (HBASE-25368) Filter out more invalid encoded name in isEncodedRegionName(byte[] regionName)

["Huaxiang Sun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-25368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Huaxiang Sun resolved HBASE-25368.
----------------------------------
    Fix Version/s: 3.0.0-alpha-1
       Resolution: Fixed

> Filter out more invalid encoded name in isEncodedRegionName(byte[] regionName) 
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-25368
>                 URL: https://issues.apache.org/jira/browse/HBASE-25368
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>            Reporter: Huaxiang Sun
>            Assignee: Huaxiang Sun
>            Priority: Major
>             Fix For: 3.0.0-alpha-1
>
>
> {code:java}
> public static boolean isEncodedRegionName(byte[] regionName) {
>   // If not parseable as region name, presume encoded. TODO: add stringency; e.g. if hex.
>   return parseRegionNameOrReturnNull(regionName) == null && regionName.length <= MD5_HEX_LENGTH;
> }
> Right now, if it passes in an table name, it still thinks  it is a encoded region name and will result in unnecessary registry query for meta regions. This can be avoided if table names can be filtered out early in this method.{code}



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