unfortunately i am running a Red hat enterprise version, i am doing an academic experiment which need number of disk I/Os.
I am now looking at SystemTap, which is said to be the iosnoop for linux. thanks for the guide Brian Pinkerton-2 wrote: > > If you're on a Mac or Solaris, dtrace will tell you everything you > want to know (and more.) If you're not familiar with dtrace, > iosnoop.d is a good start for this kind of measurement. > > At Technorati, I used dtrace to build a trace file of all the read > requests made by a big lucene app, recording timestamp, file, offset, > and number of bytes read. Among other things, the measurement led me > to decrease the heap size of the JVM so that more of the index would > fit in the file cache. > > bri > > On Sep 10, 2009, at 9:39 PM, edwardyf wrote: > >> >> Thanks for the reply, just checked the Lucid Gaze package, it only >> collects >> the stats at >> function call level, no I/O stats > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > > -- View this message in context: http://www.nabble.com/Question-bout-I-O-monitoring-tp25394566p25395172.html Sent from the Lucene - Java Developer mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
