And btw, what node.js version are you using?
On Tue, Sep 18, 2012 at 3:37 PM, Ben Noordhuis <[email protected]> wrote: > On Tue, Sep 18, 2012 at 1:27 PM, Michael <[email protected]> wrote: > > hi, > > > > I am playing a bit with JMeter to produce some load on my Node.js system > > (HTTP requests). I recognized, that under heavy load my master node > process > > in the cluster is using 100% CPU and will never stop doing so even if no > > requests are arriving.I attached a screenshot... This was the situation > some > > minutes after the load. The whole system was relaxed again expect the > master > > in the cluster. > > > > My cluster is build like the example here > > http://nodejs.org/api/cluster.html#cluster_cluster So there is nothing > than > > master.fork() in master's code. > > > > Any ideas what makes the master process busy? The application still > respond > > very fast in the 100% CPU master situation. > > > > Regards, > > > > Michael > > Trace the program with strace on Linux or truss / dtruss if you're on > a BSD or Solaris system, that should give you a hint what the process > is doing. In case of doubt, post the trace output. > > Another option is to turn on profiling with --prof and inspect the > call graph. `npm install profiler` will give you a nprof tool that > parses the v8.log into human-readable form. > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
