What works? When using nio connector with this parameter useSendFile=false, the load of large static files works fine. Before I set it to false it failed.
As for the other questions: I don't know why it is slow, maybe the client's web server has some kind of a caching and the first time transfer is slow but then it is faster -----Original Message----- From: Pid [mailto:p...@pidster.com] Sent: ה 28 יולי 2011 11:16 To: Tomcat Users List Subject: Re: fail to download large static files in tomcat On 28/07/2011 07:31, Michal Singer wrote: > Regarding the question I asked on downloading large static files a while ago, > I got a reply now: > > > hi, > i got the same issue today, environment: windows xp, tomcat 7 with nio > connector; > it works after i try to add useSendfile="false" in server.xml Connector > section; > you could have a try What works? > I answered this person: > > Thanks, it looks like it works :) > Do you also use compression=true? > > I am not sure what is faster, nio or http? This doesn't make sense. The NIO & BIO connectors both service HTTP. > The first time nio is used, it is very slow, but then it is faster than > regular http. Why? > But if the client calls the nio once, it will be very slow. Why? > I also saw that useSendfiles is better in performance since it will reduce > cpu cycles: > sendFile" mode, Tomcat tells the O/S to transfer the contents of the file > directly to the socket (bypassing reading it in to Tomcat memory). > > So, isn't it a decrease in performance to set it to false? > > Thanks for the answer. sendfile can lead to performance increases, it depends on the application. p --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
