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Posted to user@hbase.apache.org by "Sharma, Avani" <ag...@ebay.com> on 2010/09/02 02:51:55 UTC
RE: regionserver skew
Links http://localhost:60010/ worked.
My hbase cluster (Solaris machines) is firewalled and this is the best I could do currently.
-----Original Message-----
From: Sharma, Avani [mailto:agsharma@ebay.com]
Sent: Monday, August 30, 2010 6:48 PM
To: user@hbase.apache.org
Subject: RE: regionserver skew
I am unable to setup the Ui interface - any pointers to same?
can't I get this information from logs?
-Avani
-----Original Message-----
From: Ted Yu [mailto:yuzhihong@gmail.com]
Sent: Saturday, August 28, 2010 7:22 AM
To: user@hbase.apache.org
Subject: Re: regionserver skew
For #1, you can check HBase master UI at the bottom of which is a table
listing number of regions hosted on each RS and heap consumption
information.
On Fri, Aug 27, 2010 at 6:28 PM, Sharma, Avani <ag...@ebay.com> wrote:
> I have a few questions related to reading from hbase -
>
>
>
> 1. How can I detect a regionserver skew. In other words, one
> regionserver is being hit more than the others ?
>
> When I look at the master log, it states
> "org.apache.hadoop.hbase.master.ServerManager: 3 region servers, 0 dead,
> average load 23.666666666666668"
>
> Does that mean that the load is balanced? And in case it is not, do I need
> to redesign or reload my Hbase table ? any other options ?
>
>
> 2. Is it okay to have stargate running on more than one node in the
> cluster? I am using stargate and libcurl to read from Hbase and to speed
> this up, may be hitting different stargate servers could help ? Any cons to
> this?
>
>
>
> 3. Is there a way I can get more than one version of a row via
> stargate ? I tried the url with "?v=2" in the end, but it did not work.
>
> Thanks,
> Avani Sharma
>
>
>
RE: regionserver skew
Posted by "Sharma, Avani" <ag...@ebay.com>.
Better formatting would probably be helpful.
`links http://localhost:60010/ `
-----Original Message-----
From: Sharma, Avani [mailto:agsharma@ebay.com]
Sent: Wednesday, September 01, 2010 5:52 PM
To: user@hbase.apache.org
Subject: RE: regionserver skew
Links http://localhost:60010/ worked.
My hbase cluster (Solaris machines) is firewalled and this is the best I could do currently.
-----Original Message-----
From: Sharma, Avani [mailto:agsharma@ebay.com]
Sent: Monday, August 30, 2010 6:48 PM
To: user@hbase.apache.org
Subject: RE: regionserver skew
I am unable to setup the Ui interface - any pointers to same?
can't I get this information from logs?
-Avani
-----Original Message-----
From: Ted Yu [mailto:yuzhihong@gmail.com]
Sent: Saturday, August 28, 2010 7:22 AM
To: user@hbase.apache.org
Subject: Re: regionserver skew
For #1, you can check HBase master UI at the bottom of which is a table
listing number of regions hosted on each RS and heap consumption
information.
On Fri, Aug 27, 2010 at 6:28 PM, Sharma, Avani <ag...@ebay.com> wrote:
> I have a few questions related to reading from hbase -
>
>
>
> 1. How can I detect a regionserver skew. In other words, one
> regionserver is being hit more than the others ?
>
> When I look at the master log, it states
> "org.apache.hadoop.hbase.master.ServerManager: 3 region servers, 0 dead,
> average load 23.666666666666668"
>
> Does that mean that the load is balanced? And in case it is not, do I need
> to redesign or reload my Hbase table ? any other options ?
>
>
> 2. Is it okay to have stargate running on more than one node in the
> cluster? I am using stargate and libcurl to read from Hbase and to speed
> this up, may be hitting different stargate servers could help ? Any cons to
> this?
>
>
>
> 3. Is there a way I can get more than one version of a row via
> stargate ? I tried the url with "?v=2" in the end, but it did not work.
>
> Thanks,
> Avani Sharma
>
>
>