It’s been more than a year since we had a huge TV campaign, we had tables growing up to 30M rows. Since then we had a book club focused on Postgres performance and we analysed several real world scenarios…
When the company you work for grows the same way carwow is, your tech team will…
Chrome have introduced changes that broke our SSL certificate that we use for local…
As part of gradual refactoring we are undertaking here at carwow, we wanted to split a fairly large Rails app up into two smaller apps. Rather than do this as one big refactor, we chose to make things more manageable and…
26 February 2016
In the last couple of weeks we’ve been fighting the effects of increased number of users (TV campaign on national television YEAH).
We recently moved away from heroku scheduler and start using clockwork and with ActiveJob. The added value of such a move is massive:
24 April 2015
We recently added https support to carwow. After some testing we decided to convert every url in the website to the protocol relative counterpart (e.g. any references to…
Is your Postgres database on Heroku dying because of too many connections?
Do you see the following errors?
FATAL: remaining connection slots are reserved for non-replication superuser connections
28 January 2016
Google Page Insights is a useful set of tools that analyses a web page of your choice and suggests improvements to help it load faster. It won’t give…