hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Yu <yuzhih...@gmail.com>
Subject Re: regionserver skew
Date Sat, 28 Aug 2010 14:22:20 GMT
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 <agsharma@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
>
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message