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</o:shapelayout></xml><![endif]--></head><body lang=IT link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi to All!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Can you help me to increase performance of my pgpool installation?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’ve installed pgpool with postgres streaming replication hot_standby on but now I’ve poor performance.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>If I test with pgbench postgres directly with his command<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>/usr/pgsql-9.4/bin/pgbench -h myhost -U postgres -c 4 -j 2 -T 60 -S prova<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Received output<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>starting vacuum...end.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>transaction type: SELECT only<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>scaling factor: 100<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>query mode: simple<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of clients: 4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of threads: 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>duration: 60 s<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of transactions actually processed: 893740<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>latency average: 0.269 ms<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>tps = 14895.495617 (including connections establishing)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>tps = 14897.984048 (excluding connections establishing)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>if I connect to postgresql trought pgpool <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>/usr/pgsql-9.4/bin/pgbench -h myhost -p 9999 -U postgres -c 4 -j 2 -T 60 -S prova <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Received output<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>starting vacuum...end.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>transaction type: SELECT only<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>scaling factor: 100<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>query mode: simple<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of clients: 4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of threads: 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>duration: 60 s<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>number of transactions actually processed: 767111<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>latency average: 0.313 ms<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>tps = 12785.033109 (including connections establishing)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>tps = 12787.297287 (excluding connections establishing)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>with hot_standby on of postgresql and load balancing on of pgpool read only query become faster..it’s right?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I tried to exclude standby server from pgpool pool and I’ve retried test but I’ve the same latency<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Can you help me to increase performance please?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>There is parameter to set on postgresql.conf or in pgpool.conf? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanksss<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>A.Baccanelli<o:p></o:p></p></div></body></html>