Is it possible to know how many reads and writes are occurring thru the entire cluster in a consolidated manner -- this does not include replication factors.
On Mon, Oct 22, 2012 at 10:28 AM, Ravi Prakash <ravi...@ymail.com> wrote: > Hi Rita, > > SliveTest can help you measure the number of reads / writes / deletes / ls > / appends per second your NameNode can handle. > > DFSIO can be used to help you measure the amount of throughput. > > Both these tests are actually very flexible and have a plethora of options > to help you test different facets of performance. In my experience, you > actually have to be very careful and understand what the tests are doing > for the results to be sensible. > > HTH > Ravi > > > > > ________________________________ > From: Rita <rmorgan...@gmail.com> > To: "<common-user@hadoop.apache.org>" <common-user@hadoop.apache.org> > Sent: Monday, October 22, 2012 7:23 AM > Subject: Re: measuring iops > > Anyone? > > > On Sun, Oct 21, 2012 at 8:30 AM, Rita <rmorgan...@gmail.com> wrote: > > > Hi, > > > > Was curious if there was a method to measure the total number of IOPS > (I/O > > operations per second) on a HDFS cluster. > > > > > > > > -- > > --- Get your facts first, then you can distort them as you please.-- > > > > > > -- > --- Get your facts first, then you can distort them as you please.-- > -- --- Get your facts first, then you can distort them as you please.--
