-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Mark,
On 8/6/13 10:50 AM, Mark Thomas wrote: > On 06/08/2013 16:09, Christopher Schultz wrote: >> Mark, >> >> On 8/5/13 10:12 AM, Mark Thomas wrote: >>> On 05/08/2013 15:50, Abhijith Prabhakar wrote: >>>> Hi All, >>>> >>>> We are currently using HTTP connector in tomcat 7.42 and >>>> planning to switch to AJP NIO connector. When I was reading >>>> through the docs I found "WARNING: The NIO connector for AJP >>>> is experimental." >>>> >>>> This made me think that NIO connector might not be mature at >>>> this point. Can somebody who had experience with NIO >>>> connector let me know if it is stable and any pitfalls I >>>> should be aware of? >>>> >>>> Stable enough to be used on enterprise apps which is expected >>>> to get thousands of requests in a hour? >>>> >>>> Any information would be helpful. >> >>> That warning dates form when we added NIO support to AJP. That >>> was some time ago now and I don't think there is any need for >>> that any more. I'll remove it. >> >> IMO, using NIO with APR doesn't really give you an advantage: >> one should have a (somewhat) fixed number of connections between >> httpd and Tomcat, so the httpd configuration is far more >> important than the connector you choose on the Tomcat side, isn't >> it? > > The big advantage is that you can use persistent connections from > httpd without having to worry about making sure Tomcat has enough > threads to handle them all or disabling connection re-use. It > really helps when you have multiple httpd instances load-balancing > to multiple tomcat instances. Aah, that does make sense. Still, having (say) 200 threads on the Tomcat side isn't a big deal with a single-fronting-server. The real problem is on the httpd side where if you have 10 back-end servers you'd need 2000 threads if everything was blocking. Things get more interesting when you have -- as you say -- an N * M setup where the number of blocking-connector threads on the Tomcat side starts to rise geometrically. Thanks, - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSARjoAAoJEBzwKT+lPKRY+bYP/23oapqbDR9vvVVko/xxeuj2 kk42v7QTSZEq5cQHFVz3WjvQR0KmjtBVob+jugW2DjWDFL64uWie+3QRWtQ3SGEI TqLRsh4zucu4L9x59UDb2RLFAHDoE9IfJGyKcfr9CBaeEI4J8HR3n+xw/5ypwyE+ Ervuzwov2Z2uF6gPt5M214xhswmCH/zjXR80piM+DpNuT1t8qQDGTZ4ZiR8c331f 1kMxnqX+vVIGOccQONvIYEuYLPQ/ztgTLLgyDQDpuISjQQnlIqOa4KpvRLCSBeyk IbehHhJ4rZ9e6Gh8dQyo3q0ih5K5CX77Zyv4Bgq9+ZCGd2oraYkqrW/5Rzol9Alh pnXnA+stes2qqG5uJJ+zeCvHNL1EQGmIM6ZKrat8Adk8Ua50So6yyCOd5jQrk+4y WWVa5T6P/vaF9JhkAhtpCqWKALViv/+EmwqoMqMLYc+jV0p0GfJ6Dn4te48//Jin XImo5kxJSgEnM+2Yi7H+PZPvA6ZSkFOzThnbJubZkOXMGXVnvVFIRH7ekfacErNi NhY2uPoAVB3VTq5KjQE/h5l+pW++ugkznWOrrBLKU48MjAIrSefVwRbi0aTuNgjM 6H8qZxo1ec3qFrw8GGg309FqlOWSk7SDNCbg/JW0DGlqyXFxJq71X6vqvmGRb7mS qKxRy77ZfAxVvJZkXHD/ =y1hm -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
