Re: Centos : Load Average :OS Process Name : migration/1, migration/2, migration/n

On 5/22/19 2:18 PM, Perumal Raj wrote:
> Hi All,
> 
> 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.

Other programs running that connect to the db server?
More below.
> 
> But We started seeing lot of process name 'migration' at OS Level in new 
> server which is triggering Load average most of the time  .

Going to need to determine what 'migration' is referring to?

I would start by hitting 'c' in top to toggle full process name.

> 
> 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 .
> 
> Thanks,
> Raju


-- 
Adrian Klaver
adrian.klaver@aklaver.com