Have them check the memory and CPU allocation of the hypervisor, make sure
its not overallocated. Make sure the partitions for stroage are aligned
. Install tuned, and enable the throughput performance profile. Oracle has
a problem with transparent hugepages, postgres may well have the same
problem, so consider disabling transparent hugepages. There is no reason
why performance on a VM would be worse than performance on a physical
On Mon, Feb 5, 2018 at 7:26 AM, Andreas Kretschmer <andr...@a-kretschmer.de>
> Am 05.02.2018 um 14:14 schrieb Thomas Güttler:
>> What do you suggest to get some reliable figures?
> sar is often recommended, see https://blog.2ndquadrant.com/i
> Can you exclude other reasons like vacuum / vacuum freeze?
> Regards, Andreas
> 2ndQuadrant - The PostgreSQL Support Company.
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'