Re: Counters and Top 10

2011-12-25 Thread Benoit Perroud
With Composite Column Name, you can even have column composed of sore (int) and userid (uuid or whatever). Empty column value to avoid repeating user UUID. 2011/12/22 R. Verlangen ro...@us2.nl: I would suggest you to create a CF with a single row (or multiple for historical data) with a date

Nodetool move failure, no data partitions determined

2011-12-25 Thread RobinUs2
I was moving around some nodes in my cluster but when I get one node there appears an error: Error during move: The data partitions for node [IP] have not been determined How to solve this problem? -- View this message in context:

R: Re: Counters and Top 10

2011-12-25 Thread cbert...@libero.it
Hi all, I've red all your messages concerning the top 10 ... any solution is possibile but I still did not find the best one. Using a composite Column Name as suggested would be smart cause it brings to a sorted row where I can have my top-10 in any moment but it can slow down all the platform

reported bloom filter FP ratio

2011-12-25 Thread Radim Kolar
I have following CF Read Count: 68844 Read Latency: 9.942 ms. Write Count: 209712 Write Latency: 0.297 ms. Pending Tasks: 0 Bloom Filter False Postives: 10 Bloom Filter False Ratio:

Re: reported bloom filter FP ratio

2011-12-25 Thread Peter Schuller
               Read Count: 68844 [snip] why reported bloom filter FP ratio is not counted like this 10/68844.0 0.00014525594096798558 Because the read count is total amount of reads to the CF, while the bloom filter is per sstable. The number of individual reads to sstables will be higher