Re: [HACKERS] Re: pgmonitor and Solaris
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Re: pgmonitor and Solaris |
Дата | |
Msg-id | 200103290159.UAA13045@candle.pha.pa.us обсуждение исходный текст |
Список | pgsql-ports |
Thanks, I think this summarizes Solaris ps display. We will try to get 7.1 ps display working for Solaris. > On Wed, Mar 28, 2001 at 07:18:24PM -0500, Bruce Momjian allegedly wrote: > > > > > Note the last line... > > > > > > > > OK, I need someone on Solaris to test ps and /ucb/ps with regard to user > > > > restriction inside ps, and display of PostgreSQL status display. > > > > > > > > I have uploaded a new pgmonitor 0.33 version that has a show_all > > > > configuration parameter. This will show all PostgreSQL-owned processes > > > > for use on operating systems that don't have PostgreSQL status display. > > > > > > We don't have Tcl/Tk installed on any of our servers, so I can't test > > > this. If you want me to test something else, please let me know. > > > > I don't need tcl/tk, just someone to run ps and ucb/ps with running > > backends and tell me if the backend status display is working, and which > > ps has user-selection capability. > > Here goes: > > template1=# \set > VERSION = 'PostgreSQL 7.0.3 on sparc-sun-solaris2.7, compiled by gcc 2.95.2' > DBNAME = 'template1' > USER = 'mathijs' > PORT = '5432' > ENCODING = 'SQL_ASCII' > PROMPT1 = '%/%R%# ' > PROMPT2 = '%/%R%# ' > PROMPT3 = '>> ' > HISTSIZE = '500' > template1=# > [1]+ Stopped psql template1 > jumpstart.l3.ilse.nl:/export/home/mathijs >which ps > /usr/bin/ps > jumpstart.l3.ilse.nl:/export/home/mathijs >ps -elf|grep post > 8 S mathijs 25810 25808 0 51 20 7156ca68 717 71c789d2 20:44:34 pts/1 0:00 /opt/pgsql/bin/./postmaster > 8 O mathijs 1576 1543 0 51 20 71733548 118 02:26:23 pts/3 0:00 grep post > 8 S mathijs 1555 25810 0 51 20 71e48760 765 716fdc86 02:26:00 pts/1 0:00 /opt/pgsql/bin/./postmaster > jumpstart.l3.ilse.nl:/export/home/mathijs >ps -o args,comm|grep post > grep post grep > jumpstart.l3.ilse.nl:/export/home/mathijs >ps -ef -o args,comm|grep post > /opt/pgsql/bin/./postmaster /opt/pgsql/bin/./postmaster > grep post grep > /opt/pgsql/bin/./postmaster /opt/pgsql/bin/./postmaster > jumpstart.l3.ilse.nl:/export/home/mathijs >ps -ef -o user,pid,args,comm|grep post > mathijs 25810 /opt/pgsql/bin/./postmaster /opt/pgsql/bin/./postmaster > mathijs 1555 /opt/pgsql/bin/./postmaster /opt/pgsql/bin/./postmaster > mathijs 1604 grep post grep > jumpstart.l3.ilse.nl:/export/home/mathijs >/usr/ucb/ps auxww|grep post > mathijs 1619 0.1 0.1 944 696 pts/3 S 02:27:16 0:00 grep post > mathijs 1555 0.0 0.2 6120 3352 pts/1 S 02:26:00 0:00 /opt/pgsql/bin/./postgres mathijs localhost template1 idle > mathijs 25810 0.0 0.1 5736 2160 pts/1 S 20:44:34 0:00 /opt/pgsql/bin/./postmaster > > jumpstart.l3.ilse.nl:/export/home/mathijs >/usr/ucb/ps -h > /usr/ucb/ps: illegal option -- h > usage: ps [ -aceglnrSuUvwx ] [ -t term ] [ num ] > jumpstart.l3.ilse.nl:/export/home/mathijs >id > uid=106(mathijs) gid=110(ilse) > jumpstart.l3.ilse.nl:/export/home/mathijs >/usr/ucb/ps -U 106 > ps: rename("/tmp/ps.NHayod","/tmp/ups_data") failed, Permission denied > ps: Please notify your System Administrator > jumpstart.l3.ilse.nl:/export/home/mathijs >ps -fU mathijs > UID PID PPID C STIME TTY TIME CMD > mathijs 429 408 0 16:58:40 pts/1 0:01 -bash > mathijs 17121 17095 0 20:01:11 pts/0 0:01 -bash > mathijs 1543 1520 0 02:25:48 pts/3 0:00 -bash > mathijs 25810 25808 0 20:44:34 pts/1 0:00 /opt/pgsql/bin/./postmaster > mathijs 19058 18962 0 21:53:38 ? 0:00 ../bin/httpd - > root 1773 1543 0 02:30:18 pts/3 0:00 ps -fU mathijs > mathijs 1554 1543 0 02:25:58 pts/3 0:00 psql template1 > mathijs 19057 18962 0 21:53:38 ? 0:00 ../bin/httpd - > mathijs 1555 25810 0 02:26:00 pts/1 0:00 /opt/pgsql/bin/./postmaster > mathijs 19056 18962 0 21:53:38 ? 0:00 ../bin/httpd - > mathijs 25808 1 0 20:44:34 pts/1 0:00 /bin/sh ./pg_ctl -D /opt/pgsql/data start > mathijs 19059 18962 0 21:53:38 ? 0:00 ../bin/httpd - > mathijs 19060 18962 0 21:53:38 ? 0:00 ../bin/httpd - > mathijs 18962 1 0 21:51:55 ? 0:00 ../bin/httpd - > > Btw. I don't know what 'ps -U' does, but it sure isn't what you'd > expect. What it appears to be doing is caching some data in /tmp, > probably to speed up future lookups (most likely kernel symbols > (WCHAN) and tty names). ps -U seems to update this file. > > I did some more checking. /usr/ucb/ps actually acquires read access > to the memory space of running programs and seems to get the program > title from it, while the regular sysv ps command only accesses the > normal process information (containing the real cmdline arguments). > You either need root access to read from a program's memory space > (using the /proc/<pid>/as pseudo file), or you need to be the owner. > > jumpstart.l3.ilse.nl:/export/home/mathijs >ls -l /proc/1555/as /proc/1555/psinfo > -rw------- 1 mathijs ilse 6266880 Mar 29 02:26 /proc/1555/as > -r--r--r-- 1 mathijs ilse 336 Mar 29 02:26 /proc/1555/psinfo > > /usr/ucb/ps reads both as and psinfo, while the regular ps only reads > psinfo... > > I think grepping the /usr/ucb/ps output is pretty much the only option > left, since it doesn't allow you to limit on user name/id. > > Regards, > > Mathijs > -- > ilse Technology B.V. - Postbus 542 5600 AM Eindhoven > Telefoon: 040 750 31 00 - Fax: 040 750 31 99 > Web: http://www.ilse.nl/ - E-mail: technology@ilse.nl > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
В списке pgsql-ports по дате отправления:
Следующее
От: Hiroshi InoueДата:
Сообщение: Re: Cygwin PostgreSQL Regression Test Problems (Revisited)