Re: inserting new rows with one key vs. inserting new columns in a row performance

2010-05-03 Thread Sylvain Lebresne
Make sure you have disallowed the row cache. If you have row cache, the entire row do get loaded to memory. Otherwise it is not. On Mon, May 3, 2010 at 3:06 PM, malsmith wrote: > I've seen this too (your second case) - it seems like the entire row > contents (or some big subset of the row) are lo

Re: inserting new rows with one key vs. inserting new columns in a row performance

2010-05-03 Thread malsmith
I've seen this too (your second case) - it seems like the entire row contents (or some big subset of the row) are loaded to memory on the server before any column value is returned. The partitioner selection did not make any difference to performance in my case. I did not find a way around this e

Re: inserting new rows with one key vs. inserting new columns in a row performance

2010-05-02 Thread Даниел Симеонов
Hello, 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, >

inserting new rows with one key vs. inserting new columns in a row performance

2010-04-30 Thread Даниел Симеонов
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 Rand