Batchmutate insert? Can be package size that differ if not nr threads sending data to Cassandra nodes.
Från: ChingShen [mailto:chingshenc...@gmail.com] Skickat: den 2 september 2010 08:59 Till: user@cassandra.apache.org Ämne: Re: about insert benchmark Hi Daniel, I have 4 nodes in my cluster, and run a benchmark on node A in Java. P.S. Replication = 3 Shen On Thu, Sep 2, 2010 at 2:49 PM, vineet daniel <vineetdan...@gmail.com<mailto:vineetdan...@gmail.com>> wrote: Hi Ching You are inserting using php,perl,python,java or ? and is cassandra installed locally or on a network system and is it a single system or you have a cluster of nodes. I know I've asked you many questions but the answers will help immensely to assess the results. Anyways congrats on getting better results :-) . _______________________________________ Regards Vineet Daniel +918106217121 _______________________________________ Let your email find you.... On Thu, Sep 2, 2010 at 11:39 AM, ChingShen <chingshenc...@gmail.com<mailto:chingshenc...@gmail.com>> wrote: Hi all, I run a benchmark with my own code and found that the 100000 inserts performance is better than others, Why? Can anyone explain it? Thanks. Partitioner = OPP CL = ONE ============================================== 1000 records insert one:201 ms insert per:0.201 ms insert thput:4975.1245 ops/sec ============================================== 10000 records insert one:1950 ms insert per:0.195 ms insert thput:5128.205 ops/sec ============================================== 100000 records insert one:15576 ms insert per:0.15576 ms insert thput:6420.134 ops/sec ============================================== 500000 records insert one:82177 ms insert per:0.164354 ms insert thput:6084.4272 ops/sec Shen
