[PERFORM] 答复: [PERFORM] About Tom Lane's Xeon CS test case

2010-06-02 Thread
problem appear again by testing to collect evidence to update postgreSQL . So I want to redo your testing for that. Thank you! Best regards, Ray Huang -邮件原件- 发件人: Tom Lane [mailto:t...@sss.pgh.pa.us] 发送时间: 2010年5月27日 22:10 收件人: 黄永卫 抄送: pgsql-performance@postgresql.org 主题: Re

[PERFORM] About Tom Lane's Xeon CS test case

2010-05-27 Thread
Dear all and Tom, Recently my company’s postgres DB server sluggish suddenly with a hight Context-switching value as below: 2010-04-07 04:03:15 procs memory swap io system cpu 2010-04-07 04:03:15 r b swpd free buff cache si sobi

[PERFORM] How to diagnose a “context-switching ” storm problem ?

2010-04-12 Thread RD
Hi, My database server get sluggish suddenly ,I check the vmstat as below: 2010-04-07 04:03:15 procs memory swap io system cpu 2010-04-07 04:03:15 r b swpd free buff cache si sobibo incs us sy id wa 2010-04-07 14

[PERFORM] 答复: [PERFORM] About “context-switchin g issue on Xeon” test case ?

2010-04-12 Thread RD
ake the “context-switching” storm ? How should I investigatethe real reason ? Could you please give me some advice ? Thank you ! -邮件原件- 发件人: Scott Marlowe [mailto:scott.marl...@gmail.com] 发送时间: 2010年4月10日 13:05 收件人: Greg Smith 抄送: RD黄永卫; pgsql-performance@postgresql.org 主题:

[PERFORM] About “context-switching issue on Xeon” te st case ?

2010-04-09 Thread RD
Hi, Anybody have the test case of “ context-switching issue on Xeon” from Tm lane ? Best regards, Ray Huang