Re: [GENERAL] significant performance hit whenever autovacuum runs after upgrading from 9.0 -> 9.1

2012-05-24 Thread Frank Ch. Eigler
Tom Lane writes: > [...] Can you correlate the performance hit with any specific part > of autovacuum? In particular, I'm wondering if it matters whether > vacuum is cleaning tables or indexes [...] In case it helps, this systemtap run will report on the top few time-sampled call graphs of pos

[GENERAL] Re: Getting FATAL: terminating connection due to administrator command

2010-09-15 Thread Frank Ch. Eigler
Hi - peter.hopfgartner wrote: > >http://sourceware.org/systemtap/examples/process/sigmon.stp > As it seems I need to recompile the kernel in order to have the debug > infos, http://sourceware.org/systemtap/wiki/SystemTapOnCentOS. > Tomorrow I will start the probes. Check first on http://debugin

Re: [GENERAL] Getting FATAL: terminating connection due to administrator command

2010-09-16 Thread Frank Ch. Eigler
Peter Hopfgartner writes: > [...] > > >http://sourceware.org/systemtap/examples/process/sigmon.stp > Now we had the error, but systemtap did not report any SIGTERM. Is > it possible to have this error without a SIGTERM being involved? As > mentioned in a previous mail, I've modified the script