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From Check Peck <comptechge...@gmail.com>
Subject Re: Load on Zookeeper cluster?
Date Mon, 07 Apr 2014 05:43:06 GMT
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 out?


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/README
>
> 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=100
> > --znode_size=100 --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 done.
> >>
> >>
> >> 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 cluster
> >>> 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, Raúl Gutiérrez Segalés <
> >>> > rgs@itevenworks.net
> >>> > > wrote:
> >>> >
> >>> > > 1 ZK se
> >>> >
> >>> >
> >>> >
> >>> > Yes one ZK session per application. Zookeeper version I am running
> >>> > currently is 3.4.5 in production.
> >>> >
> >>>
> >>
> >>
>

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