I am sorry for the long email, but I like to be complete. I just stay with mod_jk 1.2.13 for a long time. It is used between apache 2.0.52 and tomcat 5.5.26 each one on Linux Redhat ES4 64 bit. There are two apache with dns load balancing and four tomcat with mod_jk balancing. Last day I upgrade to 1.2.26 and get a very noticeable slowdown of data trasfer from tomcat to apache. Each version in recompiled from source from the same compilation farm. Following there is a benchmark and few comments:
------------------------- [EMAIL PROTECTED] tmp]# time wget -O /dev/null http://elenco1.comune.prato.it/eltbinj/servlet/ricercaelenco --12:05:49-- http://elenco1.comune.prato.it/eltbinj/servlet/ricercaelenco => `/dev/null' Risoluzione di elenco1.comune.prato.it in corso... 193.43.107.14 Connessione a elenco1.comune.prato.it|193.43.107.14:80... connesso. HTTP richiesta inviata, aspetto la risposta... 200 OK Lunghezza: non specificato [text/html] [ <=> ] 53,048 7.17K/s 12:05:56 (7.55 KB/s) - "/dev/null" salvato [53048] real 0m6.931s user 0m0.011s sys 0m0.063s [EMAIL PROTECTED] tmp]# time wget -O /dev/null http://elenco.comune.prato.it/eltbinj/servlet/ricercaelenco --12:06:01-- http://elenco.comune.prato.it/eltbinj/servlet/ricercaelenco => `/dev/null' Risoluzione di elenco.comune.prato.it in corso... 193.43.107.15 Connessione a elenco.comune.prato.it|193.43.107.15:80... connesso. HTTP richiesta inviata, aspetto la risposta... 200 OK Lunghezza: non specificato [text/html] [ <=> ] 53,048 --.--K/s 12:06:01 (572.81 KB/s) - "/dev/null" salvato [53048] real 0m0.195s user 0m0.001s sys 0m0.003s -------------------------- elenco.comune.prato.it is managed by old 1.2.13 version. elenco1.comune.prato.it is managed by the newer 1.2.26. All machines are on the same gigabit network and load is zero on all of them. The test has ben repeated a good number of times without differences. If I put the mod_jk 1.2.13 back on elenco1, I get the same good performance, so it is definitively due to the different version of mod_jk. For who (like me before testing and re testing), don't belive, this is a test on elenco1 after replacing mod_jk 1.2.26 with the old 1.2.13 version. ------------------------------ [EMAIL PROTECTED] tmp]# time wget -O /dev/null http://elenco1.comune.prato.it/eltbinj/servlet/ricercaelenco --12:16:47-- http://elenco1.comune.prato.it/eltbinj/servlet/ricercaelenco => `/dev/null' Risoluzione di elenco1.comune.prato.it in corso... 193.43.107.14 Connessione a elenco1.comune.prato.it|193.43.107.14:80... connesso. HTTP richiesta inviata, aspetto la risposta... 200 OK Lunghezza: non specificato [text/html] [ <=> ] 53,048 --.--K/s 12:16:48 (346.64 KB/s) - "/dev/null" salvato [53048] real 0m0.257s user 0m0.003s sys 0m0.003s ------------------------------ Unfortunately I don't have old version from 1.2.13 to 1.2.26, so I cannot say you when the slowdown happens. Following there is my workers.properties. The worker used for elenco/elenco1 is wlbs. ------------------------------ [EMAIL PROTECTED] ~]# cat /usr1/web/admin/conf/workers.properties # workers.properties.minimal - # # This file provides minimal jk configuration properties needed to # connect to Tomcat. # # The workers that jk should create and work with # worker.list=ajp13w_01_01,ajp13w_02_01,ajp13w_03_01,ajp13w_04_01,ajp13w_i g_01_01,ajp13w_ig_02_01,ajp13w_is_01_01,ajp13w_is_02_01,ajp13w_sondaggi_ 01_01,ajp13w_sondaggi_02_01,wlbs,wlbig,wlbis,wlbsondaggi,jkstatus,ajp13w _ws_01_01,ajp13w_ws_02_01,wlbws,ajp13w_geoserver_01_01,ajp13w_geoserver_ 02_01,wlbgeoserver,ajp13w_ip_01_01,ajp13w_ip_02_01,wlbip,ajp13w_safe_01_ 01,ajp13w_safe_02_01,ajp13w_safe_03_01,ajp13w_safe_04_01,wlbsafe,ajp13w_ je_03_01,ajp13w_je_04_01,wlbjente # Defining a worker named ajp13w and of type ajp13 # Note that the name and the type do not have to match. # worker.ajp13w_01_01.type=ajp13 worker.ajp13w_01_01.host=tomcat01.comune.prato.it worker.ajp13w_01_01.port=8009 worker.ajp13w_01_01.lbfactor=1 worker.ajp13w_01_01.socket_timeout=1 worker.ajp13w_01_01.socket_keepalive=true worker.ajp13w_01_01.connection_pool_timeout=60 worker.ajp13w_02_01.type=ajp13 worker.ajp13w_02_01.host=tomcat02.comune.prato.it worker.ajp13w_02_01.port=8009 worker.ajp13w_02_01.lbfactor=1 worker.ajp13w_02_01.socket_timeout=1 worker.ajp13w_02_01.socket_keepalive=true worker.ajp13w_02_01.connection_pool_timeout=60 worker.ajp13w_03_01.type=ajp13 worker.ajp13w_03_01.host=tomcat03.comune.prato.it worker.ajp13w_03_01.port=8009 worker.ajp13w_03_01.lbfactor=1 worker.ajp13w_03_01.socket_timeout=1 worker.ajp13w_03_01.socket_keepalive=true worker.ajp13w_03_01.connection_pool_timeout=60 worker.ajp13w_04_01.type=ajp13 worker.ajp13w_04_01.host=tomcat04.comune.prato.it worker.ajp13w_04_01.port=8009 worker.ajp13w_04_01.lbfactor=1 worker.ajp13w_04_01.socket_timeout=1 worker.ajp13w_04_01.socket_keepalive=true worker.ajp13w_04_01.connection_pool_timeout=60 worker.ajp13w_je_03_01.type=ajp13 worker.ajp13w_je_03_01.host=tomcat03.comune.prato.it worker.ajp13w_je_03_01.port=8016 worker.ajp13w_je_03_01.lbfactor=1 worker.ajp13w_je_03_01.socket_timeout=1 worker.ajp13w_je_03_01.socket_keepalive=true worker.ajp13w_je_03_01.connection_pool_timeout=60 worker.ajp13w_je_04_01.type=ajp13 worker.ajp13w_je_04_01.host=tomcat04.comune.prato.it worker.ajp13w_je_04_01.port=8016 worker.ajp13w_je_04_01.lbfactor=1 worker.ajp13w_je_04_01.socket_timeout=1 worker.ajp13w_je_04_01.socket_keepalive=true worker.ajp13w_je_04_01.connection_pool_timeout=60 worker.ajp13w_safe_01_01.type=ajp13 worker.ajp13w_safe_01_01.host=tomcat01.comune.prato.it worker.ajp13w_safe_01_01.port=8017 worker.ajp13w_safe_01_01.lbfactor=1 worker.ajp13w_safe_01_01.socket_timeout=1 worker.ajp13w_safe_01_01.socket_keepalive=true worker.ajp13w_safe_01_01.connection_pool_timeout=60 worker.ajp13w_safe_02_01.type=ajp13 worker.ajp13w_safe_02_01.host=tomcat02.comune.prato.it worker.ajp13w_safe_02_01.port=8017 worker.ajp13w_safe_02_01.lbfactor=1 worker.ajp13w_safe_02_01.socket_timeout=1 worker.ajp13w_safe_02_01.socket_keepalive=true worker.ajp13w_safe_02_01.connection_pool_timeout=60 worker.ajp13w_safe_03_01.type=ajp13 worker.ajp13w_safe_03_01.host=tomcat03.comune.prato.it worker.ajp13w_safe_03_01.port=8017 worker.ajp13w_safe_03_01.lbfactor=1 worker.ajp13w_safe_03_01.socket_timeout=1 worker.ajp13w_safe_03_01.socket_keepalive=true worker.ajp13w_safe_03_01.connection_pool_timeout=60 worker.ajp13w_safe_04_01.type=ajp13 worker.ajp13w_safe_04_01.host=tomcat04.comune.prato.it worker.ajp13w_safe_04_01.port=8017 worker.ajp13w_safe_04_01.lbfactor=1 worker.ajp13w_safe_04_01.socket_timeout=1 worker.ajp13w_safe_04_01.socket_keepalive=true worker.ajp13w_safe_04_01.connection_pool_timeout=60 worker.ajp13w_ws_01_01.type=ajp13 worker.ajp13w_ws_01_01.host=tomcat01.comune.prato.it worker.ajp13w_ws_01_01.port=8010 worker.ajp13w_ws_01_01.lbfactor=1 worker.ajp13w_ws_01_01.socket_timeout=1 worker.ajp13w_ws_01_01.socket_keepalive=true worker.ajp13w_ws_01_01.connection_pool_timeout=60 worker.ajp13w_ws_02_01.type=ajp13 worker.ajp13w_ws_02_01.host=tomcat02.comune.prato.it worker.ajp13w_ws_02_01.port=8010 worker.ajp13w_ws_02_01.lbfactor=1 worker.ajp13w_ws_02_01.socket_timeout=1 worker.ajp13w_ws_02_01.socket_keepalive=true worker.ajp13w_ws_02_01.connection_pool_timeout=60 worker.ajp13w_geoserver_01_01.type=ajp13 worker.ajp13w_geoserver_01_01.host=tomcat01.comune.prato.it worker.ajp13w_geoserver_01_01.port=8014 worker.ajp13w_geoserver_01_01.lbfactor=1 worker.ajp13w_geoserver_01_01.socket_timeout=1 worker.ajp13w_geoserver_01_01.socket_keepalive=true worker.ajp13w_geoserver_01_01.connection_pool_timeout=60 worker.ajp13w_geoserver_02_01.type=ajp13 worker.ajp13w_geoserver_02_01.host=tomcat02.comune.prato.it worker.ajp13w_geoserver_02_01.port=8014 worker.ajp13w_geoserver_02_01.lbfactor=1 worker.ajp13w_geoserver_02_01.socket_timeout=1 worker.ajp13w_geoserver_02_01.socket_keepalive=true worker.ajp13w_geoserver_02_01.connection_pool_timeout=60 worker.ajp13w_ig_01_01.type=ajp13 worker.ajp13w_ig_01_01.host=tomcat01.comune.prato.it worker.ajp13w_ig_01_01.port=8011 worker.ajp13w_ig_01_01.lbfactor=1 worker.ajp13w_ig_02_01.type=ajp13 worker.ajp13w_ig_02_01.host=tomcat02.comune.prato.it worker.ajp13w_ig_02_01.port=8011 worker.ajp13w_ig_02_01.lbfactor=1 worker.ajp13w_ip_01_01.type=ajp13 worker.ajp13w_ip_01_01.host=tomcat01.comune.prato.it worker.ajp13w_ip_01_01.port=8015 worker.ajp13w_ip_01_01.lbfactor=1 worker.ajp13w_ip_02_01.type=ajp13 worker.ajp13w_ip_02_01.host=tomcat02.comune.prato.it worker.ajp13w_ip_02_01.port=8015 worker.ajp13w_ip_02_01.lbfactor=1 worker.ajp13w_is_01_01.type=ajp13 worker.ajp13w_is_01_01.host=tomcat01.comune.prato.it worker.ajp13w_is_01_01.port=8012 worker.ajp13w_is_01_01.lbfactor=1 worker.ajp13w_is_02_01.type=ajp13 worker.ajp13w_is_02_01.host=tomcat02.comune.prato.it worker.ajp13w_is_02_01.port=8012 worker.ajp13w_is_02_01.lbfactor=1 worker.ajp13w_sondaggi_01_01.type=ajp13 worker.ajp13w_sondaggi_01_01.host=tomcat01.comune.prato.it worker.ajp13w_sondaggi_01_01.port=8013 worker.ajp13w_sondaggi_01_01.lbfactor=1 worker.ajp13w_sondaggi_02_01.type=ajp13 worker.ajp13w_sondaggi_02_01.host=tomcat02.comune.prato.it worker.ajp13w_sondaggi_02_01.port=8013 worker.ajp13w_sondaggi_02_01.lbfactor=1 # # Defining a load balancer # worker.wlbs.type=lb worker.wlbs.sticky_session=1 worker.wlbs.balance_workers=ajp13w_01_01,ajp13w_02_01,ajp13w_03_01,ajp13 w_04_01 worker.wlbs.socket_timeout=1 worker.wlbjente.type=lb worker.wlbjente.sticky_session=1 worker.wlbjente.balance_workers=ajp13w_je_03_01,ajp13w_je_04_01 worker.wlbjente.socket_timeout=1 worker.wlbsafe.type=lb worker.wlbsafe.sticky_session=1 worker.wlbsafe.balance_workers=ajp13w_safe_01_01,ajp13w_safe_02_01,ajp13 w_safe_03_01,ajp13w_safe_04_01 worker.wlbsafe.socket_timeout=1 worker.wlbig.type=lb worker.wlbig.sticky_session=1 worker.wlbig.balance_workers=ajp13w_ig_01_01,ajp13w_ig_02_01 worker.wlbip.type=lb #worker.wlbip.sticky_session=1 worker.wlbip.balance_workers=ajp13w_ip_01_01,ajp13w_ip_02_01 worker.wlbis.type=lb worker.wlbis.sticky_session=1 worker.wlbis.balance_workers=ajp13w_is_01_01,ajp13w_is_02_01 worker.wlbsondaggi.type=lb worker.wlbsondaggi.sticky_session=1 worker.wlbsondaggi.balance_workers=ajp13w_sondaggi_01_01,ajp13w_sondaggi _02_01 worker.wlbws.type=lb worker.wlbws.balance_workers=ajp13w_ws_01_01,ajp13w_ws_02_01 worker.wlbws.socket_timeout=1 worker.wlbgeoserver.type=lb worker.wlbgeoserver.sticky_session=1 worker.wlbgeoserver.balance_workers=ajp13w_geoserver_01_01,ajp13w_geoser ver_02_01 # # Define status worker # worker.jkstatus.type=status --------------------- Thank you for your patient. Leandro --------------------- Dott. Leandro Dardini Sistema Informativo Comune di Prato Via Cairoli, 16 59100 Prato PO Tel: +39 05741835216 Fax: +39 05721835212 --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
