Re: Is this how to read the output of nodetool cfhistograms?

2013-01-23 Thread Derek Williams
rites took 17, 7 >> writes took 20 and 19 writes took 24 >> >> Correct me if I am wrong. >> >> Thanks. >> -Wei >> >> ---------------------- >> *From:* Brian Tarbox >> *To:* user@cassandra.apache.org >> *Sent:* Tuesday, January 22, 20

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-23 Thread Brian Tarbox
; > -- > *From:* Brian Tarbox > *To:* user@cassandra.apache.org > *Sent:* Tuesday, January 22, 2013 7:27 AM > *Subject:* Re: Is this how to read the output of nodetool cfhistograms? > > Indeed, but how many Cassandra users have the good fortune to

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Wei Zhu
Sent: Tuesday, January 22, 2013 7:27 AM Subject: Re: Is this how to read the output of nodetool cfhistograms? Indeed, but how many Cassandra users have the good fortune to stumble across that page?  Just saying that the explanation of the very powerful nodetool commands should be more front and c

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Brian Tarbox
Indeed, but how many Cassandra users have the good fortune to stumble across that page? Just saying that the explanation of the very powerful nodetool commands should be more front and center. Brian On Tue, Jan 22, 2013 at 10:03 AM, Edward Capriolo wrote: > This was described in good detail he

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Edward Capriolo
This was described in good detail here: http://thelastpickle.com/2011/04/28/Forces-of-Write-and-Read/ On Tue, Jan 22, 2013 at 9:41 AM, Brian Tarbox wrote: > Thank you! Since this is a very non-standard way to display data it > might be worth a better explanation in the various online documenta

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Brian Tarbox
Thank you! Since this is a very non-standard way to display data it might be worth a better explanation in the various online documentation sets. Thank you again. Brian On Tue, Jan 22, 2013 at 9:19 AM, Mina Naguib wrote: > > > On 2013-01-22, at 8:59 AM, Brian Tarbox wrote: > > > The output

Re: Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Mina Naguib
On 2013-01-22, at 8:59 AM, Brian Tarbox wrote: > The output of this command seems to make no sense unless I think of it as 5 > completely separate histograms that just happen to be displayed together. > > Using this example output should I read it as: my reads all took either 1 or > 2 sstabl

Is this how to read the output of nodetool cfhistograms?

2013-01-22 Thread Brian Tarbox
The output of this command seems to make no sense unless I think of it as 5 completely separate histograms that just happen to be displayed together. Using this example output should I read it as: my reads all took either 1 or 2 sstable. And separately, I had write latencies of 3,7,19. And separ