Maybe you have a lot of old syslogs causing LOG command to read many SYSLOG outputs? This can be confirmed by checking SYSLOG output instead of using the LOG command. That's the first thing that came to my mind now...
------------------------------------------------------------------------------------------------------------------------------- *Lucas Rosalen* Emails: [email protected] / *[email protected] <[email protected]>* LinkedIn: http://br.linkedin.com/in/lrosalen Phone: +48 (71) 792 809 198 2016-04-20 11:40 GMT+02:00 Vince Getgood <[email protected]>: > Hi all, > I'm supporting a development system, and we run multiple versions of z/OS > (amongst other things). > > One of the systems we run is at z/OS 2.2, and runs JES3. This system is > supposed to be our "performance Test" system. > > One of our developers this morning was complaining about slow response on > SDSF. On investigation, I found that all SDSF commands were giving > sub-second response times EXCEPT for the LOG command. > > The LOG command gave up to 18 seconds (timed by my trusty wrist based > timepiece) response. > > Once in the log, PF7, 10 or 11 give good sub-second response, but PF8 to > the newest log entry gives 3-4 second response. > > At the time, the system was NOT using OPERLOG, just SYSLOG. > > I did a V OPERLOG,HARDCPY command, and now the SDSF LOG command gives > sub-second response, as does PF8 to latest log entry (of course, we can > only go back in the log to that command being issued). > > However the SDSF LOG S (force the log command to look at SYSLOG, rather > than OPERLOG) command still gives VERY long response times. > > Can anyone shed any light on what's happening here? > > Does this suggest there is a problem with the JES3 spool somewhere? > > Thanks in advance. > Vince. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
