accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jeff Kubina <jeff.kub...@gmail.com>
Subject Re: Is there a method in the accumulo api to get the total bytes used and/or total key/value pairs for each tablet?
Date Thu, 11 Apr 2013 21:44:11 GMT
So how would I get the info from the master, or could you point me to the
monitor code? Thanks.

-- 
Jeff Kubina
410-988-4436



On Thu, Apr 11, 2013 at 11:06 AM, Keith Turner <keith@deenlo.com> wrote:

> On Thu, Apr 11, 2013 at 7:15 AM, Jeff Kubina <jeff.kubina@gmail.com>
> wrote:
> > Is there a method in the accumulo api to get the total bytes used and/or
> > total key/value pairs for each tablet? I believe I can get the total
> bytes
> > used per tablet using HDFS file size calls on the tables directory, but
> what
> > about the total key/value pairs for each tablet?
> >
>
> I sent a note earlier with some tips about getting this info from the
> metadata table.  This is not how the monitor obtains this information.
>   The monitor ask the master for the info.  The master periodically
> ask tablet servers for the info.    Using this method, the monitor
> obtains information about whats stored in memory, which is not
> available via the metadata table.   Also, all of the stats information
> passed from tserver to master is rolled up by table.  So you would not
> be able to get more granular info through this mechanism.
>

Mime
View raw message