OK, Thanks again Jens. best, /Shahab
On Thu, Oct 23, 2014 at 1:22 PM, Jens Rantil <jens.ran...@tink.se> wrote: > Hi again Shabab, > > Yes, it seems that way. I have no experience with the “cassandra stress > tool”, but wouldn’t be surprised if the batch size could be tweaked. > > Cheers, > Jens > > ——— Jens Rantil Backend engineer Tink AB Email: jens.ran...@tink.se > Phone: +46 708 84 18 32 Web: www.tink.se Facebook Linkedin Twitter > > > On Thu, Oct 23, 2014 at 10:00 AM, shahab <shahab.mok...@gmail.com> wrote: > >> Thanks Jens for the comments. >> >> As I am trying "cassandra stress tool", does it mean that the tool is >> executing batch of "Insert" statements (probably hundreds, or thousands) >> to the cassandra (for the sake of stressing Cassnadra ? >> >> best, >> /Shahab >> >> On Wed, Oct 22, 2014 at 8:14 PM, Jens Rantil <jens.ran...@tink.se> wrote: >> >>> Shabab, >>> >>> Apologize for the late answer. >>> >>> On Mon, Oct 6, 2014 at 2:38 PM, shahab <shahab.mok...@gmail.com> wrote: >>> >>>> But do you mean that inserting columns with large size (let's say a >>>> text with 20-30 K) is potentially problematic in Cassandra? >>> >>> >>> AFAIK, the size _warning_ you are getting relates to the size of the >>> batch of prepared statements (INSERT INTO mykeyspace.mytable VALUES >>> (?,?,?,?)). That is, it has nothing to do with the actual content of >>> your row. 20-30 K shouldn't be a problem. But it's considered good practise >>> to split larger files (maybe > 5 MB into chunks) since it makes operations >>> easier to your cluster more likely to spread more evenly across cluster. >>> >>> >>>> What shall i do if I want columns with large size? >>> >>> >>> Just don't insert to many rows in a single batch and you should be fine. >>> Like Shane's JIRA ticket said, the warning is to let you know you are not >>> following best practice when adding too many rows in a single batch. It can >>> create bottlenecks in a single Cassandra node. >>> >>> Cheers, >>> Jens >>> >>> -- >>> Jens Rantil >>> Backend engineer >>> Tink AB >>> >>> Email: jens.ran...@tink.se >>> Phone: +46 708 84 18 32 >>> Web: www.tink.se >>> >>> Facebook <https://www.facebook.com/#!/tink.se> Linkedin >>> <http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary> >>> Twitter <https://twitter.com/tink> >>> >> >> >
