-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Thomas,
On 3/26/15 12:16 PM, Thomas Boniface wrote: > Following the update of the tomcat 7 version from 7.0.28-4 to > 7.0.56-1 hoping to improve our application performances we > experienced a quick freeze of the application under a standard load > (that was handle by previous tomcat version without particular > issue). > > Our application is behind a nginx server and receives a high volume > of HTTP requests from client and is using servlet 3.0 async > features. > > While investigating we made following observations: 1/ catalina.out > shows a high number of IOException Broken pipe. 2/ a high number of > CLOSE_WAIT appear between nginx and tomcat. > > I have uploaded a catalina log, an lsof and a netstat capture made > while the issue was happening: > http://s000.tinyupload.com/index.php?file_id=85064286189504330545 > (email size limit prevented me from attaching them to the > message). Any pointer is welcomed. Also is there a way to have more > details on connection status of tomcat ? What <Connector> are you using? Can you take a thread dump to see if threads are stuck somewhere? For the broken pipes... are they failing during reads or writes? Are you handling requests from a large number of limited- or unreliable-bandwidth clients -- like mobile devices? - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJVFVZJAAoJEBzwKT+lPKRYwF0P/jM9+o7H0GEs4SiT8WGlVLNb lPF9lMmbGdfZd0y/4Chm7h0L693OqyttGpeXlDZgvC66YyEPV6rrR9pRvFN/F9dM KwJd29+5X7g2Mhm6A89CCYZOXvK9xeALt1diCnUth+QS65I97zgRcUD0L/kxdReZ g2BncEGdHGp/s7WkRpcI3YZ/dzOFiJQpEr8zUsqHjkGA5jLbwC6sYSa5dvOMKDFB 55vWJwLzdMxtvJPcATEvaXNmCGkQr6izGWewMDHstkcalafSZPa3DIUF4QJYwUzz YIaVaclJsffkkllRM+go739vnd4i7Y746pNtC3lrRwh27CtuIMcBPEP6uPNZ+Bc/ aBmCaPBcGxevhALJ86Ha3TacPBiwIoKpMBimgzzSvjzPklKFFI/b865VZPLUd+Xh Y+FCW3NotmnDzkpW+u7qLbGvsLca1cTqwzJzucit3iBDA7YZzAneznEl/v8DetqX uKwuvm7CmLb1gHhxhFotA1EHjB1UIwHmT20eovwvBFWWlfjT6P0UUN/TXP1ju1Vi 1tPrX66ONheiyK8VXi2gj63RxmvlJKCrb2qG8/l4qcSNJ5OHzYijrtvAfGxeKWt8 YahKqTuQCsfCHnh625SAqhGVav+nkL7cHV0ZGhUzX/hyrORmKFMK6GBhA+jGIbO3 R52u4jQosMmfP5fSxl2S =IRiW -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
