Hi Chris, The netstat O/P below for the CLOSE_WAIT connections
tcp 509 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:60903 CLOSE_WAIT tcp 491 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:24856 CLOSE_WAIT tcp 360 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:12328 CLOSE_WAIT tcp 511 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:24710 CLOSE_WAIT tcp 479 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:33175 CLOSE_WAIT tcp 361 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:58084 CLOSE_WAIT tcp 531 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:42030 CLOSE_WAIT tcp 971 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:17692 CLOSE_WAIT tcp 361 0 ::ffff:10.61.137.49:8030 ::ffff:10.61.137.47:60303 CLOSE_WAIT 10.61.137.49 -> Application IP 10.61.137.47 -> Load balancer IP Regards, Adhavan.M On Thu, May 11, 2017 at 7:06 PM, André Warnier (tomcat) <a...@ice-sa.com> wrote: > On 11.05.2017 15:30, Adhavan Mathiyalagan wrote: > >> Hi Chris, >> >> The connections in the CLOSE_WAIT are owned by the Application /Tomcat >> process. >> > > Can you provide an example output of the "netstat" command that shows such > connections ? (not all, just some) > (copy and paste it right here) > -> > > > >> Regards, >> Adhavan.M >> >> On Thu, May 11, 2017 at 6:53 PM, Christopher Schultz < >> ch...@christopherschultz.net> wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA256 >>> >>> Adhavan, >>> >>> On 5/10/17 12:32 PM, Adhavan Mathiyalagan wrote: >>> >>>> Team, >>>> >>>> Tomcat version : 8.0.18 >>>> >>>> Apache HTTPD version : 2.2 >>>> >>>> >>>> There are lot of CLOSE_WAIT connections being created at the >>>> Application(tomcat) ,when the traffic is routed through the Apache >>>> HTTPD load balancer to the Application running over tomcat >>>> container. This leads to slowness of the port where the >>>> Application is running and eventually the application is not >>>> accessible through that particular PORT. >>>> >>> >>> Please clarify: are the connections in the CLOSE_WAIT state owned by the >>> httpd process or the Tomcat process? >>> >>> In case of the traffic directly reaching the Application PORT >>>> without HTTPD (Load balancer) there is no CLOSE_WAIT connections >>>> created and application can handle the load seamlessly. >>>> >>> >>> - -chris >>> -----BEGIN PGP SIGNATURE----- >>> Comment: GPGTools - http://gpgtools.org >>> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ >>> >>> iQIyBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAlkUZcoACgkQHPApP6U8 >>> pFgiuA/4uARxnF+2c6E+oAIUVX+j2vb+RBicYKAuO6KW67cXtP5UBBFmR5jlLOyr >>> uz6M8qDB0H89IkEgny3oQeaZYVvDeFokthAwTe3SCrtfsWb0d39EHGUoNfxZQnCZ >>> hjygWvxmmuO84RqNrO0Q1+UNWYlPB0cK3SLFZRmh59zJg+C8FBDG2OAIEpevXw0O >>> yPdnSHq6KwX3kZA3KZWx03YUBwjjTk1TLvfq8vfmMmp96THd4QXqvhI46xOcV/sp >>> KBUrRIQhjTDPsm7EH268ffve0kgcXIkmh7qj2cCl07+CrVn6TbPXSwQEm5j5CjIF >>> toMywVs9szCwT0qRlOaLALQyXdUJnuUwBNjTp+DIPIukeUZ1BqwC/DopTHftzr6u >>> oT7ZWurZBFCZUSCsbfyi6c7FTRs/jqT3eIo2he5Q3AxtZ2CayzC4xgx2vxqrBTkV >>> OEESNhnzH3QdJTFnDDQCLtrr7lHyZ6/4MKDUK9Ax2LjVt63kRdIW31VWs0Y2KqbW >>> OGd9apwNe9FrTEGn7zAw+lXKKmWr/2DMEViawmKUxtoZMQsrW6NPTvlNmKX4zgYM >>> eU0ZHE5d1SMYwfPXzH+w/Cqv+hZMssNfKMZ9rdjPd+rf8xgzL27tvMvg/rjvrRfF >>> kuiNtfFcA34CDfR+bEed2eYAAUMizb+uzPUHhVAZMaR8T8CXGQ== >>> =nMBw >>> -----END PGP SIGNATURE----- >>> >>> --------------------------------------------------------------------- >>> 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 > >
