Hi, I am using the VPS hosting from vhscloud.in. According to me its the best hosting providers

,their plans are very affordable with very good performance and support.

Even though the reply is so late, this may be useful for new joiners. 

You may choose DigitalOcean with Ubuntu 16.04 or 18.04 LTS for better results.

You can Signup directly through their website or If you wish to have a 100 $ FREE Credit for 60 days during Hacktoberfest, you may use the below referral link, 

https://m.do.co/c/722cdeda20cd

Thanks for the nice answer. pls suggest which Cloud VPS is good to work with odoo. can it work good on VPS Cloud 1(with 2GB RAM & 2Core).

You can see oneodoo.com Stable, powerful and secure

I use novinhost services

https://www.novinhost.org/vps/

I used https://peramix.com/vps

they have package 4 vCPU, 8GB RAM, 50GB NVMe storage with only $6.5 / month which always meets my requirments

Vote for OVH and you can get free $35 credit on this link : https://tophostcoupon.com/ovh-coupon-free-35-credit-all-new-customer/

I used OVH VPS Classic 4 with 8 Gb RAM, but i want to downgrade because i think it is too much,

How many Gig of RAM do you advise ?