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From Даниел Симеонов <>
Subject Re: inserting new rows with one key vs. inserting new columns in a row performance
Date Mon, 03 May 2010 06:33:36 GMT
   It seems that I have experienced network problems (local pre-installed
firewall) and some rest http inefficiencies, so I think that it behaves the
same in both cases. I am sorry to have taken from your time.
Best regards, Daniel.

На 30 април 2010 20:46, Даниел Симеонов <> написа:

> Hi,
>    I've checked two similar scenarios and one of them seem to be more
> performant. So timestamped data is being appended, the first use case is
> with an OPP and new rows being created every with only one column (there are
> about 7-8 CFs). The second cases is to have rows with more columns and
> RandomPartitioner, although every row gets much more than one column
> appended yet the inserts are relatively uniformly distributed among rows.
> Yet the first scenario is faster than the second, and the second one starts
> with good response times (about 20-30 ms) and gradually the mean time
> increases (to about 150-200 ms). What could be the reason?
> Thank you very much!
> Best regards, Daniel.

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