Thanks for the responses, Adrian,
top -c not showing much , Process name itself [ Migration/n] Thomas, Thanks for hitting same page, yes i came through it , But was wondering any one faced same issue in our community. Regards, Raju On Wed, May 22, 2019 at 2:28 PM Thomas Munro <thomas.mu...@gmail.com> wrote: > On Thu, May 23, 2019 at 9:18 AM Perumal Raj <peruci...@gmail.com> wrote: > > We have recently migrated postgres DB to out of of server ( Centos 6.9 ) > . > > Both Source and Target versions of OS/DB are same . Also Configuration > is Apple-Apple. > > > > But We started seeing lot of process name 'migration' at OS Level in new > server which is triggering Load average most of the time . > > > > Some sample process from top command, > > > > 67 root RT 0 0 0 0 R 34.8 0.0 913:06.38 > [migration/16] > > 155 root RT 0 0 0 0 S 32.2 0.0 845:46.53 > [migration/38] > > 35 root RT 0 0 0 0 S 27.6 0.0 927:15.27 > [migration/8] > > 11 root RT 0 0 0 0 S 21.4 0.0 1033:45 > [migration/2] > > 131 root RT 0 0 0 0 S 21.4 0.0 812:00.70 > [migration/32] > > 87 root RT 0 0 0 0 S 20.7 0.0 394:28.32 > [migration/21] > > > > Anyone come-across this situation ? Please share your thoughts . > > I don't know anything about this, but I found a claim (without much > real explanation) that Linux < 3.6.11 had some kind of problem in this > area, could be relevant: > > > https://serverfault.com/questions/674685/kernel-processes-periodically-eating-cpu-during-high-load > https://bugs.gentoo.org/394487 > https://bugzilla.kernel.org/show_bug.cgi?id=47341 > > -- > Thomas Munro > https://enterprisedb.com >
