Viewing profile — d0uble

That sounds like DBA as a Service. No, we don't plan to support that in the near future. One thing that is definitely on our roadmap and may be relevant is BYOA (bring your own acc…

About failed attempt of moving to MySQL. It was more than 10 years ago and I wasn't working at Yandex at that time but AFAIK the main problems were not around technical problems, t…

We had several kinds of stored logic in Oracle: 1. for logical consistency of data (i.e. when you store new message you should increment counter for folder, thread, etc.). It seems…

Hardware for Oracle and PostgreSQL are different. We used to have big boxes for Oracle with lots of memory, SSD disks and rigid economy of CPU (small number of very fast cores beca…

Please, send us headers for one of such messages to support@mail.yandex.com. You can get them this way https://yandex.com/support/mail/faq.xml#mail-titles .

We started our first production systems with 9.3. When we started migration process and until it ended we used 9.4. Right now all our production clusters are 9.5.

Nobody argues that Oracle is a very good database. But 3x more hardware and 10 man-years are an order of magnitude cheaper than Oracle licencies cost (even with maximum discount).

No, you are not right. In video (Q&A section in the end) you can hear that rewriting stored logic took a couple of weeks of one developer. Maybe a couple of month with good tests. …