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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13479) [branch-1.0] Master should not bind to region server ports
Date Wed, 15 Apr 2015 20:49:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar updated HBASE-13479:
----------------------------------
    Attachment: hbase-13479_v1.patch

Attaching a patch for approach (c) above. In 1.0+, we already respect {{hbase.master.info.port}}.
So the behavior is: 

*1.0.0:*
RPC: {{hbase.master.port}} IS NOT respected. Master binds to {{hbase.regionserver.port}}
INFO: Master binds to {{hbase.master.info.port}} AND {{hbase.regionserver.info.port}}.
By default, master will use: 16010, 16020, 16030  
*1.0.1+:*
RPC: {{hbase.master.port}} IS respected if configured. Master binds to {{hbase.regionserver.port}}
by default if not configured.
INFO: Master binds to {{hbase.master.info.port}} only. 
By default, master will use: 16010, 16020.

What do you guys think? 

> [branch-1.0] Master should not bind to region server ports
> ----------------------------------------------------------
>
>                 Key: HBASE-13479
>                 URL: https://issues.apache.org/jira/browse/HBASE-13479
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>            Priority: Blocker
>             Fix For: 1.0.1
>
>         Attachments: hbase-13479_v1.patch
>
>
> In parent jira, we have brought back old config value {{hbase.master.port}} and made
it so that if it is configured (which is by default), master does not bind to the region servers's
RPC and info ports now. We have realized that master binding to RS ports turns out to be a
pain point and unnecessary frustration for users (although we were expecting the opposite).

> Let's use this jira to see what we can do in 1.0.x series. In 1.0.0, master binds to
ports
> {{hbase.regionserver.port}}
> {{hbase.master.info.port}}
> {{hbase.regionserver.info.port}}
> In 1.0.x, we have a couple of options I think:
> (a) don't do anything. 
> (b) Commit patch from master as it is. All upgrades from 1.0.0 will observe changed ports.

> (c) Commit the patch, disabled by default. If user has {{hbase.master.port}} set, bind
to the port. Only users who set the conf value will observe changed ports. 
> (d) Commit the patch with an extra config option {{hbase.master.compat.mode}}. The users
have to explicitly enable this in 1.0. 



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