-Re: Is there a method in the accumulo api to get the total bytes used and/or total key/value pairs for each tablet?
Eric Newton 2013-04-11, 23:08
You might want to run a class called "GetMasterStats":
It's a very simple program that prints out the monitor's information that
comes from the master.
On Thu, Apr 11, 2013 at 5:44 PM, Jeff Kubina <[EMAIL PROTECTED]> wrote:
> So how would I get the info from the master, or could you point me to the
> monitor code? Thanks.
> Jeff Kubina
> On Thu, Apr 11, 2013 at 11:06 AM, Keith Turner <[EMAIL PROTECTED]> wrote:
>> On Thu, Apr 11, 2013 at 7:15 AM, Jeff Kubina <[EMAIL PROTECTED]>
>> > 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
>> > used per tablet using HDFS file size calls on the tables directory, but
>> > 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.