[jira] [Comment Edited] (HBASE-23561) Look up of Region in Master by encoded region name is O(n)

["Minwoo Kang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-23561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17058060#comment-17058060 ] 

Minwoo Kang edited comment on HBASE-23561 at 3/12/20, 4:20 PM:
---------------------------------------------------------------

For branch-2, I created a [pull request|[https://github.com/apache/hbase/pull/1281]].
 For branch-1, it already looks up region name is O(1).
 Therefore, I did not need to apply backport.
 I close the issue.


was (Author: minwoo.kang):
[For branch-2|https://issues.apache.org/jira/browse/HBASE-23973], I created a [pull request|[https://github.com/apache/hbase/pull/1281]].
[For branch-1|https://issues.apache.org/jira/browse/HBASE-23972], it already looks up region name is O(1).
Therefore, I did not need to apply backport.
I close the issue.

> Look up of Region in Master by encoded region name is O(n)
> ----------------------------------------------------------
>
>                 Key: HBASE-23561
>                 URL: https://issues.apache.org/jira/browse/HBASE-23561
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Michael Stack
>            Assignee: Minwoo Kang
>            Priority: Trivial
>             Fix For: 3.0.0
>
>
> {{  public RegionState getRegionState(final String encodedRegionName) {
>     // TODO: Need a map <encodedName, ...> but it is just dispatch merge...
>     for (RegionStateNode node: regionsMap.values()) {
>       if (node.getRegionInfo().getEncodedName().equals(encodedRegionName)) {
>         return node.toRegionState();
>       }
>     }
>     return null;
>   }}}
> It is not used much so making it trivial.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)