Re: compaction behaviour

2011-04-04 Thread aaron morton
Is "nodetool compact" what you are looking for ? Aaron On 4 Apr 2011, at 05:35, Anurag Gujral wrote: > Hi Zhu, > I did not got that SSDs have read latency of 0.1ms.Since there > is only one data file > I would expect the read of any key to take 0.1ms may be I am missing something

Re: compaction behaviour

2011-04-03 Thread Anurag Gujral
Hi Zhu, I did not got that SSDs have read latency of 0.1ms.Since there is only one data file I would expect the read of any key to take 0.1ms may be I am missing something please explain. Thanks Anurag On Sun, Apr 3, 2011 at 5:01 AM, Zhu Han wrote: > > best regards, > Zhu Han > > >

Re: compaction behaviour

2011-04-03 Thread Zhu Han
best regards, Zhu Han On Sun, Apr 3, 2011 at 9:21 AM, Anurag Gujral wrote: > Hi All, >I have loaded data into cassandra using batch processing the > response times for reads are in the range of 0.8 ms but I am using SSDs. so > I expect the read times to be even faster. > Does you

compaction behaviour

2011-04-02 Thread Anurag Gujral
Hi All, I have loaded data into cassandra using batch processing the response times for reads are in the range of 0.8 ms but I am using SSDs. so I expect the read times to be even faster. Every time I run compaction the latency numbers reduce to 0.3 to 0.4ms , is there a way I can run