In that case you have to increase the readtimeout as some suggested. On Wed, Apr 22, 2015 at 10:06 AM, Mich Talebzadeh <m...@peridale.co.uk> wrote:
> Thanks Umang. > > > > I have 9GB of memory free here out of 24GB > > > > cassandra@rhes564::/apps/cassandra> free > > total used free shared buffers cached > > Mem: 24675328 14774532 9900796 0 539900 9097992 > > -/+ buffers/cache: 5136640 19538688 > > Swap: 24579440 668 24578772 > > > > But I am still getting the same error > > > > cqlsh:ase> select count(1) from t; > > OperationTimedOut: errors={}, last_host=127.0.0.1 > > > > thx > > > > Mich Talebzadeh > > > > http://talebzadehmich.wordpress.com > > > > Author of the books* "A Practitioner’s Guide to Upgrading to Sybase** ASE > 15", **ISBN 978-0-9563693-0-7*. > > co-author *"Sybase Transact SQL Guidelines Best Practices", ISBN > 978-0-9759693-0-4* > > *Publications due shortly:* > > *Creating in-memory Data Grid for Trading Systems with Oracle TimesTen and > Coherence Cache* > > *Oracle and Sybase, Concepts and Contrasts*, ISBN: 978-0-9563693-1-4, volume > one out shortly > > > > NOTE: The information in this email is proprietary and confidential. This > message is for the designated recipient only, if you are not the intended > recipient, you should destroy it immediately. Any information in this > message shall not be understood as given or endorsed by Peridale Ltd, its > subsidiaries or their employees, unless expressly so stated. It is the > responsibility of the recipient to ensure that this email is virus free, > therefore neither Peridale Ltd, its subsidiaries nor their employees accept > any responsibility. > > > > *From:* Umang Shah [mailto:shahuma...@gmail.com] > *Sent:* 22 April 2015 10:44 > *To:* user@cassandra.apache.org > *Subject:* Re: ROperationTimedOut in selerct count statement in cqlsh > > > > HI, > > > > It is common problem, if your machine has 4 GB of RAM then you can only > retrieve records about 200000 so you have to increase the RAM of your > system to avoid this problem.. > > > > Thanks, > > Umang Shah > > > > On Wed, Apr 22, 2015 at 9:34 AM, Mich Talebzadeh <m...@peridale.co.uk> > wrote: > > Hi, > > > > I have a table of 300,000 rows. > > > > When I try to do a simple > > > > cqlsh:ase> select count(1) from t; > > OperationTimedOut: errors={}, last_host=127.0.0.1 > > > > Appreciate any feedback > > > > Thanks, > > > > Mich > > > > > > NOTE: The information in this email is proprietary and confidential. This > message is for the designated recipient only, if you are not the intended > recipient, you should destroy it immediately. Any information in this > message shall not be understood as given or endorsed by Peridale Ltd, its > subsidiaries or their employees, unless expressly so stated. It is the > responsibility of the recipient to ensure that this email is virus free, > therefore neither Peridale Ltd, its subsidiaries nor their employees accept > any responsibility. > > > > > > > > -- > > Regards, > > Umang Shah > > +919886829019 > -- Regards, Umang Shah +919886829019