Re: effective_io_concurrency on EBS/gp2

Vitaliy Garnashevich <vgarnashevich@gmail.com>

From: Vitaliy Garnashevich <vgarnashevich@gmail.com>
To: Rick Otten <rottenwindfish@gmail.com>
Cc: Claudio Freire <klaussfreire@gmail.com>, hzzhangjiazhi <hzzhangjiazhi@corp.netease.com>, Gary Doades <gpd@gpdnet.co.uk>, "pgsql-performance@lists.postgresql.org" <pgsql-performance@lists.postgresql.org>
Date: 2018-02-23T15:35:06Z
Lists: pgsql-performance
> I noticed that the recent round of tests being discussed never 
> mentioned the file system used.  Was it XFS?  Does changing the 
> agcount change the behaviour?

It was ext4.

Regards,
Vitaliy