Hi,

After reading few sources, I decided to use dedicated NVMe Disk with native 
replication. Those benchmarks and performances I was referred for internal use 
only. Not much data stored there. I believe for production usages, it will 
deliver more trouble than advantages.

Thanks,
Gencer.
On 17.10.2020 18:39:44, Gencer W. Genç <gen...@gencgiyen.com> wrote:
Hi Irek,

In the past I see some good results (benchmark & latencies) for MySQL and 
PostgreSQL. However, I've always used 4MB object size. Maybe i can get much 
better performance on smaller object size. Haven't tried actually.

Why are you not recommending this setup actually?

Gencer.

On 17.10.2020 18:01:19, Irek Fasikhov <malm...@gmail.com> wrote:
Hi,
Ceph for a transaction database bad solution from medium loads.


сб, 17 окт. 2020 г. в 16:29, Gencer W. Genç <gen...@gencgiyen.com 
[mailto:gen...@gencgiyen.com]>:

Hi,

I have an existing few RBDs. I would like to create a new RBD Image for 
PostgreSQL. Do you have any suggestions for such use cases? For example;

Currently defaults are:

Object size (4MB) and Stripe Unit (None)
Features: Deep flatten + Layering + Exclusive Lock + Object Map + FastDiff

Should I use as is or should I use 16KB of object size and different sets of 
features for PostgreSQL?

Thanks,
Gencer.
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