Re: iostat -like tool to parse 'nodetool cfstats'

2016-12-21 Thread Alain RODRIGUEZ
Hi Kevin, > nodetool cfstats has some valuable data but what I would like is a 1 > minute delta. And you are right in what you think would be useful. In many cases variation is a way more informative than an absolute value indeed. I have a doubt regarding your approach though. I want

Re: iostat -like tool to parse 'nodetool cfstats'

2016-12-20 Thread kurt Greaves
Anything in cfstats you should be able to retrieve through the metrics Mbeans. See https://cassandra.apache.org/doc/latest/operating/metrics.html On 20 December 2016 at 23:04, Richard L. Burton III wrote: > I haven't seen anything like that myself. It would be nice to have > nodetool

Re: iostat -like tool to parse 'nodetool cfstats'

2016-12-20 Thread Richard L. Burton III
I haven't seen anything like that myself. It would be nice to have nodetool cfstats to be presented in a nicier format. If you plan to work on that, let me know. I would help contribute to it next month. On Tue, Dec 20, 2016 at 5:59 PM, Kevin Burton wrote: > nodetool cfstats has some

iostat -like tool to parse 'nodetool cfstats'

2016-12-20 Thread Kevin Burton
nodetool cfstats has some valuable data but what I would like is a 1 minute delta. Similar to iostat... It's easy to parse this but has anyone done it? I want to see IO throughput and load on C* for each table. -- We’re hiring if you know of any awesome Java Devops or Linux Opera

Re: confusion about nodetool cfstats

2015-09-11 Thread Otis Gospodnetić
omaly Detection * Centralized Log Management Solr & Elasticsearch Support * http://sematext.com/ On Thu, Sep 10, 2015 at 10:38 PM, Shuo Chen wrote: > Sorry to send the previous message. > > I want to monitor columnfamily space used with nodetool cfstats. The > document says, >

Re: confusion about nodetool cfstats

2015-09-10 Thread Chris Lohfink
t; whole cluster? > > > Shuo Chen > > > On Fri, Sep 11, 2015 at 10:36 AM, Shuo Chen wrote: > >> Hi! >> >> I want to monitor columnfamily space used with nodetool cfstats. The >> document says, >> Space used (live), bytes:9592399Space that is measured depends on >> operating system >> > >

Re: confusion about nodetool cfstats

2015-09-10 Thread Shuo Chen
Sorry to send the previous message. I want to monitor columnfamily space used with nodetool cfstats. The document says, Space used (live), bytes:9592399Space that is measured depends on operating system Is this metric shows space used on one nodes or on the whole cluster? If it is just one node

confusion about nodetool cfstats

2015-09-10 Thread Shuo Chen
Hi! I want to monitor columnfamily space used with nodetool cfstats. The document says, Space used (live), bytes:9592399Space that is measured depends on operating system

Re: nodetool cfstats write count ?

2013-07-31 Thread aaron morton
> I don't think these are exposed by any nodetool commands though, but you can > use any JMX client to read them. They are sort of shown by nodetool proxyhistograms though not in aggregate. Cheers - Aaron Morton Cassandra Consultant New Zealand @aaronmorton http://www.thelastpi

Re: nodetool cfstats write count ?

2013-07-29 Thread Richard Low
On 29 July 2013 14:43, Langston, Jim wrote: Running nodetool and looking at the cfstats output, for the > counters such as write count and read count, do those numbers > reflect any replication ? > > For instance, if write count shows 3000 and the replication factor > is 3, is that really 1000

nodetool cfstats write count ?

2013-07-29 Thread Langston, Jim
Hi all, Running nodetool and looking at the cfstats output, for the counters such as write count and read count, do those numbers reflect any replication ? For instance, if write count shows 3000 and the replication factor is 3, is that really 1000 writes ? Thanks, Jim

Nodetool: Cfstats

2012-11-05 Thread Rishabh Agrawal
Hello, I am using cfstats of nodetool I have following doubts: 1) What is the difference between size (live) and size (total) 2) Number of keys in column family is 100 but cfstats shoes 128. (Tried compaction, cleanup and scrub but same result ). Kindly help Thanks and Regards Rish

Re: nodetool cfstats and compression

2012-09-17 Thread aaron morton
Yes. It is the space taken up on disk, including compaction. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 15/09/2012, at 6:30 AM, Jim Ancona wrote: > Do the row size stats reported by 'nodetool cfstats' include th

nodetool cfstats and compression

2012-09-14 Thread Jim Ancona
Do the row size stats reported by 'nodetool cfstats' include the effect of compression? Thanks, Jim

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-12 Thread Jonathan Ellis
ave tested creating 5000 >>>> CF's. Most people only create a few 10's of CF's at most. >>>> >>>> either use fewer CF's or… >>>> >>>> * dump the Migrations CF using sstable2json to take a look around >>>>

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-12 Thread Günter Ladwig
gt;> http://www.thelastpickle.com >>> >>> On 4/10/2011, at 11:30 AM, Ramesh Natarajan wrote: >>> >>>> We recreated the schema using the same input file on both clusters and >>>> they are running identical load. >>>> &

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-12 Thread Jonathan Ellis
ks strange: >>> >>> Compacted row maximum size: 9223372036854775807 >>> >>> thanks >>> Ramesh >>> >>> On Mon, Oct 3, 2011 at 5:26 PM, Jonathan Ellis wrote: >>> Looks like you have unexpectedly large rows in your 1.0 cluster but

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-12 Thread Günter Ladwig
AM, Ramesh Natarajan wrote: >>> >>>> We recreated the schema using the same input file on both clusters and >>>> they are running identical load. >>>> >>>> Isn't the exception thrown in the system CF? >>>> &g

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-11 Thread Jonathan Ellis
>> thanks >>> Ramesh >>> >>> On Mon, Oct 3, 2011 at 5:26 PM, Jonathan Ellis wrote: >>> Looks like you have unexpectedly large rows in your 1.0 cluster but >>> not 0.8.  I guess you could use sstable2json to manually check your >>> row s

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-11 Thread Günter Ladwig
It doesn't happen on 0.8.6. Is there any >> > thing I can do to check? >> > thanks >> > Ramesh >> > >> > On Mon, Oct 3, 2011 at 5:15 PM, Jonathan Ellis wrote: >> >> >> >> My suspicion would be that it has more to do with "rare

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-05 Thread Ramesh Natarajan
t;> >> >> >> My suspicion would be that it has more to do with "rare case when >> >> running with 5000 CFs" than "1.0 regression." >> >> >> >> On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan >> >> wrote: >>

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-04 Thread aaron morton
an Ellis wrote: > >> > >> My suspicion would be that it has more to do with "rare case when > >> running with 5000 CFs" than "1.0 regression." > >> > >> On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan > >> wrote: >

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-03 Thread Jonathan Ellis
My suspicion would be that it has more to do with "rare case when running with 5000 CFs" than "1.0 regression." On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan wrote: > We have about 5000 column family and when we run the nodetool cfstats it > throws out this exception

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-03 Thread Ramesh Natarajan
ng with 5000 CFs" than "1.0 regression." > >> > >> On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan > >> wrote: > >> > We have about 5000 column family and when we run the nodetool cfstats > it > >> > throws out this exception... thi

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-03 Thread Ramesh Natarajan
.0 regression." > > On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan > wrote: > > We have about 5000 column family and when we run the nodetool cfstats it > > throws out this exception... this is running 1.0.0-rc1 > > This seems to work on 0.8.6. Is this a bu

Re: nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-03 Thread Jonathan Ellis
t 3, 2011 at 5:00 PM, Ramesh Natarajan >> wrote: >> > We have about 5000 column family and when we run the nodetool cfstats it >> > throws out this exception...  this is running 1.0.0-rc1 >> > This seems to work on 0.8.6.  Is this a bug in 1.0.0? >>

nodetool cfstats on 1.0.0-rc1 throws an exception

2011-10-03 Thread Ramesh Natarajan
We have about 5000 column family and when we run the nodetool cfstats it throws out this exception... this is running 1.0.0-rc1 This seems to work on 0.8.6. Is this a bug in 1.0.0? thanks Ramesh Keyspace: system Read Count: 28 Read Latency: 5.8675 ms. Write Count: 3