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> >>
