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From: Pavan Sudheendra <pavan0591@gmail.com>
Date: Mon, 7 Apr 2014 11:27:51 +0530
Message-ID: 
 <CAPvS-K-EtctGqMNZP0iLQFoSyjZZ6wU-_k2HUobu_eSPs_H69A@mail.gmail.com>
Subject: Re: Load on Zookeeper cluster?
To: user@zookeeper.apache.org
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Hi Check,

Where are you getting stuck?


On Mon, Apr 7, 2014 at 11:13 AM, Check Peck <comptechgeeky@gmail.com> wrote=
:

> Thanks. I tried going through that github link but wasn't able to
> understand what I am supposed to do clearly. May be I am not that much
> familiar with Python so that's why I am having hard time figuring that ou=
t?
>
>
> On Sun, Apr 6, 2014 at 10:06 PM, Michi Mutsuzaki <michi@cs.stanford.edu
> >wrote:
>
> > You need to install zkpython. The steps are described in the README
> > file. Let us know if you have trouble installing zkpython.
> >
> >
> https://github.com/apache/zookeeper/blob/trunk/src/contrib/zkpython/READM=
E
> >
> > On Sun, Apr 6, 2014 at 9:21 PM, Check Peck <comptechgeeky@gmail.com>
> > wrote:
> > > I tried following the steps mentioned on this github link -
> > > https://github.com/phunt/zk-smoketest for zk-latencies.py.
> > >
> > > I have 3 node ZK cluster-  machineA, machineB, machineC
> > >
> > > Now I copied the Python program zk-latencies.py and zkclient.py in
> > another
> > > machineD in which no zookeeper is running. It's a plain ubuntu box.
> > >
> > > Now when I ran the program like this -
> > >
> > > david@machineD:~/zooksmoketest$ ./zk-latencies.py --servers
> > > "machineA:2181,machineB::2181,machineC:2181" --znode_count=3D100
> > > --znode_size=3D100 --synchronous
> > > Traceback (most recent call last):
> > >   File "./zk-latencies.py", line 22, in <module>
> > >     import zkclient
> > >   File "/home/david/zooksmoketest/zkclient.py", line 17, in <module>
> > >     import zookeeper, time, threading
> > >
> > > *ImportError: No module named zookeeper*
> > >
> > > I got an error as shown above. Any thoughts what wrong I am doing
> here? I
> > > don't have that much experience with Python. Any suggestions will be =
of
> > > great help.
> > >
> > > @Raul: Any thoughts?
> > >
> > >
> > >
> > > On Sun, Apr 6, 2014 at 6:46 PM, Check Peck <comptechgeeky@gmail.com>
> > wrote:
> > >
> > >> Thanks guys.. I am going to do load test in couple of days using the
> > >> exiting Python framework. And I will share the results once I am don=
e.
> > >>
> > >>
> > >> On Tue, Mar 25, 2014 at 11:19 PM, Rakesh R <rakeshr@huawei.com>
> wrote:
> > >>
> > >>>
> > >>> If I understood the case correctly,
> > >>> Test :- 3 node ZK cluster, 600 sessions each will do one read
> > >>> operation(getChildren call) every one minute.
> > >>>
> > >>> I'm assuming the calls are equally distributed in time frame and it
> > would
> > >>> be like : 600ops/60secs, average 10 ops/sec will go to 3 node clust=
er
> > >>> I also feel it should be, also it would be great if you publish the
> > >>> results after your tests.
> > >>>
> > >>>
> > >>> -Rakesh
> > >>>
> > >>> -----Original Message-----
> > >>> From: Check Peck [mailto:comptechgeeky@gmail.com]
> > >>> Sent: 26 March 2014 11:19
> > >>> To: user
> > >>> Subject: Re: Load on Zookeeper cluster?
> > >>>
> > >>> Thanks that is also quite useful.
> > >>>
> > >>> For my above use case, I just need to get the children of a
> particular
> > >>> znode.. And that's what will be happening from all the 600
> application
> > >>> machines..
> > >>>
> > >>> From the wiki you provided, it looks it should be fine right?
> > >>>
> > >>>
> > >>> On Tue, Mar 25, 2014 at 10:13 PM, Rakesh R <rakeshr@huawei.com>
> wrote:
> > >>>
> > >>> >
> > >>> > Please go through the below one, hope it will be helpful to you.
> > Also,
> > >>> > I would recommend to have a look at the basic zk configurations
> too.
> > >>> > All the
> > >>> > best:)
> > >>> >
> > >>> >
> > >>> >
> > https://cwiki.apache.org/confluence/display/ZOOKEEPER/ServiceLatencyOv
> > >>> > erview
> > >>> >
> > >>> >
> > >>> > What client operations(for ex: simply creating many znodes,
> deleting,
> > >>> > setwatches et.) you are planning to perform.
> > >>> > Actually I'd like to know what each zkclient will be doing.
> > >>> >
> > >>> > -Rakesh
> > >>> >
> > >>> > -----Original Message-----
> > >>> > From: Check Peck [mailto:comptechgeeky@gmail.com]
> > >>> > Sent: 26 March 2014 09:40
> > >>> > To: user
> > >>> > Subject: Re: Load on Zookeeper cluster?
> > >>> >
> > >>> > On Tue, Mar 25, 2014 at 9:00 PM, Ra=FAl Guti=E9rrez Segal=E9s <
> > >>> > rgs@itevenworks.net
> > >>> > > wrote:
> > >>> >
> > >>> > > 1 ZK se
> > >>> >
> > >>> >
> > >>> >
> > >>> > Yes one ZK session per application. Zookeeper version I am runnin=
g
> > >>> > currently is 3.4.5 in production.
> > >>> >
> > >>>
> > >>
> > >>
> >
>


--=20
Regards-
Pavan

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