Wow :-).
On Thu, Jul 25, 2013 at 5:56 PM, Srinath Perera <[email protected]> wrote: > Hi All, > > We have been working on MB2 performance improvements, based on Disrupter > and then batching Cassandra calls and removing some non-critical cassandra > calls (e.g. message counters). > > Following are some initial results > > 1) With one MB Node, With cached senders, I got about 13K TPS in new perf > machines publishing and about 2500 TPS at the receiving side. > > 2) With one MB Node, With new senders per message (this make sure message > is written to the disk), about 2500 TPS at publisher and 2500 TPS at > receiver side. (Earlier we got about 1500 TPS before changes ). > > In the released version, if we send about a Million message very fast .. > memory get accumulated and system goes OOM. With disrupter changes this > limit is gone. We tested with 3M messages back to back without any trouble. > > Receiving side bottleneck is caused by Ack sent per message. AQMP support > batched Acks, but need to work on that. > > We have not tested multiple broker scenarios, but the bottleneck is not > Cassandra any more. So we think it should scale well. > > However, these changes need to be carefully reviewed to make sure it does > not break anything major. If all is well, we can do a point release with > performance improvements. > > --Srinath > > > > > > -- > ============================ > Srinath Perera, Ph.D. > Director, Research, WSO2 Inc. > Visiting Faculty, University of Moratuwa > Member, Apache Software Foundation > Research Scientist, Lanka Software Foundation > Blog: http://srinathsview.blogspot.com/ > Photos: http://www.flickr.com/photos/hemapani/ > Phone: 0772360902 > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Sanjiva Weerawarana, Ph.D. Founder, Chairman & CEO; WSO2, Inc.; http://wso2.com/ email: [email protected]; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1 650 265 8311 blog: http://sanjiva.weerawarana.org/ Lean . Enterprise . Middleware
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