Thomas Maier-Komor wrote: > Hi, > > please feel free to redirect me to the correct discussion list. This > subject is probably only Solaris specific as patchadd does not exist in > OpenSolaris...
indeed (but I don't know *where* to redirect you to, sorry - Services, perhaps? ;-); nevertheless, a generic comment: Please provide information, such as - which rev. of Solaris you are running - what you're doing *exactly* (ie which patch ...) - what your HW setup is - how you get the number you mention - was anything else going on on that machine at the time (obvious question ... sometimes with surprising answers :-) - whatever else may come to mind in this context. regards Michael > > patchadd is taking very long to perform its actions. As far as I am > concerned PSARC 2009/173 (turbocharged SVr4 package commands) doesn't > make any difference. So I took a short look at what patchadd is actually > doing. While running, it performs about 70k filesystem ops/s. > Additionally, it performs fork/exec at a rate of about 200/s, which > might be the real cause for the 30% cpu kernel load on my 2 processor > machine. > > So I looked what it is execing. To my surprise, it execs lots of > /usr/bin/echo (maybe about 30% of all execs). Is this really necessary? > > > BTW: is there already a fixed plan how Solaris 11 (or whatever is next) > will deal with patches? Live upgrade is very convenient. But patching > itself is still slow... > > - Thomas -- Michael Schuster http://blogs.sun.com/recursion Recursion, n.: see 'Recursion'
