[OT] Re: Effects of turning off sendFile in the NIO connector

2014-03-25 Thread Mark Thomas
On 23/03/2014 12:41, Martin Gainty wrote: > >> Date: Sat, 22 Mar 2014 14:24:01 -0400 >> Subject: Effects of turning off sendFile in the NIO connector >> From: tomcat.ran...@gmail.com >> To: users@tomcat.apache.org >> >> What effect would setting useSendfil

Re: Effects of turning off sendFile in the NIO connector

2014-03-23 Thread John Smith
> > John > > The consequences for disabling sendFile are extremely hard to quantify > as there are so many variables. I would normally expect there to be more > CPU load but how much more? No idea. It might be impossible to detect, > it might leaver your CPUs pegged at 100%. > > The only way you wi

Re: Effects of turning off sendFile in the NIO connector

2014-03-23 Thread Mark Thomas
On 23/03/2014 19:37, John Smith wrote: >>> We also only really need compression on XML data, the site has minimal >>> HTML, SWF's don't really benefit from gzip and some binary data we send >>> back and forth is already compressed. I could manually implement >>> compression on XML at the applicati

Re: Effects of turning off sendFile in the NIO connector

2014-03-23 Thread John Smith
> > > MG>when you enable sendfile support with request attr > org.apache.tomcat.sendfile.support = true > MG>You will need to set these 3 header attributes > > org.apache.tomcat.sendfile.filename: Canonical filename of the file which > will be sent as a String > org.apache.tomcat.sendfile.start: S

RE: Effects of turning off sendFile in the NIO connector

2014-03-23 Thread Martin Gainty
> Date: Sat, 22 Mar 2014 14:24:01 -0400 > Subject: Effects of turning off sendFile in the NIO connector > From: tomcat.ran...@gmail.com > To: users@tomcat.apache.org > > What effect would setting useSendfile=false have on a web application using > the NIO connector?

Effects of turning off sendFile in the NIO connector

2014-03-22 Thread John Smith
What effect would setting useSendfile=false have on a web application using the NIO connector? I'm asking because I may want to use gzip compression in the connector. The docs state: *"There is a tradeoff between using compression (saving your bandwidth) and using the sendfile feature (saving your