Re: Sneer code, Async I/O and Vanilla-java
Klaus Wuestefeld <[email protected]>
| Newsgroups | gmane.comp.java.prevayler |
|---|---|
| Message-ID | <CAMAooZEbz-7+svE=_Ju6nNEBHtOF0Y8S47knOBXUk9aR+uRPgA@mail.gmail.com> |
Bunch of numbers and non-zero-based graphs. Could you transcribe the bottom-line, the significant results, here? > But maybe is too soon to discuss that :) I am more curious to experiment with disruptors. Thanks, Klaus. On Wed, Sep 14, 2011 at 11:49 AM, Felipe Cruz <[email protected]> wrote: > Mysql benchmark with/without libaio: > http://www.bullopensource.org/posix/Bench/sysbench-oltp/results/test1/test1.html > Lighttpd benchmark using aio - > http://blog.lighttpd.net/articles/2006/11/12/lighty-1-5-0-and-linux-aio > > Prevayler will be notified when write finishes but it will not block while > this operation is processed. It can process Queries while kernel is writing > on disk. > > It's possible to achive something similar with a separete java thread, but > it'll require a thread-safe Queue (with sync/locking code involved) and > probably will not outperform kernel aio. > > But maybe is too soon to discuss that :) > > > > > 2011/9/14 Klaus Wuestefeld <[email protected]> >> >> > Klaus.. this async I/O stuff can lead to great preformance >> > improvements.. >> >> Any benchmarks we can see? >> >> > We >> > can ask the journal to serielize objects and a callback will be called >> > when >> > it's finished.. maybe not a default behaviour but as an option i think >> > that >> > would be great.. >> >> Prevayler needs to know when writes are finished. What is the >> difference in performance between this async IO stuff and a separate >> Java thread that waits and notifies other threads when ready? >> >> >> ------------------------------------------------------------------------------ >> BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA >> Learn about the latest advances in developing for the >> BlackBerry® mobile platform with sessions, labs & more. >> See new tools and technologies. Register for BlackBerry® DevCon today! >> http://p.sf.net/sfu/rim-devcon-copy1 >> _______________________________________________ >> To unsubscribe go to the end of this page: >> http://lists.sourceforge.net/lists/listinfo/prevayler-discussion >> _______________________________________________ >> "Databases in Memoriam" -- http://www.prevayler.org > > > ------------------------------------------------------------------------------ > BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA > Learn about the latest advances in developing for the > BlackBerry® mobile platform with sessions, labs & more. > See new tools and technologies. Register for BlackBerry® DevCon today! > http://p.sf.net/sfu/rim-devcon-copy1 > _______________________________________________ > To unsubscribe go to the end of this page: > http://lists.sourceforge.net/lists/listinfo/prevayler-discussion > _______________________________________________ > "Databases in Memoriam" -- http://www.prevayler.org > > ------------------------------------------------------------------------------ BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA Learn about the latest advances in developing for the BlackBerry® mobile platform with sessions, labs & more. See new tools and technologies. Register for BlackBerry® DevCon today! http://p.sf.net/sfu/rim-devcon-copy1 _______________________________________________ To unsubscribe go to the end of this page: http://lists.sourceforge.net/lists/listinfo/prevayler-discussion _______________________________________________ "Databases in Memoriam" -- http://www.prevayler.org