> I think we all go through this learning curve. Here is the answer I gave > last time this question was asked: +1
> What I don't understand hete is "Row Size" column. Why is it always 0? Is it zero all the way down? What does cfstats say about the compacted max row size? Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 26/03/2013, at 6:37 AM, Derek Williams <[email protected]> wrote: > On Mon, Mar 25, 2013 at 10:36 AM, Brian Tarbox <[email protected]> > wrote: > I think we all go through this learning curve. Here is the answer I gave > last time this question was asked: > > The output of this command seems to make no sense unless I think of it as 5 > completely separate histograms that just happen to be displayed together. > > Using this example output should I read it as: my reads all took either 1 or > 2 sstable. And separately, I had write latencies of 3,7,19. And separately > I had read latencies of 2, 8,69, etc? > > Little correction: The actual value is in the Offset column, all the other > columns are the count for that bucket of the histogram. For example in write > latency the 3, 7, and 19 refer to how many requests had that latency. 3 write > requests took 17us, 7 requests took 20us, and 19 took 24us. > > -- > Derek Williams
