Re: [db-wg] 2017 and RIPEdb only handles 700 updates per *MINUTE*
Hi Jeroen, I'm probably the most relevant person to asnwer your question right now, having been a core developer during the ripe database reimplementation project in 2013. We did that by running side by side with the old, C version of the ripe database software. As such, we were in no position to change the underlying database or its format. And guess what, the underlying database is coming from the previous server's reimplementation project, all the way from 2000. Reminds me of the story of the NASA booster rocket and the roman horse. There have been minor updates done over the years (like switching to innodb and sql transactions), the basics are still the same. Its data model is 100% optimized for query performance (since queries outnumber updates 100 to 1 or more). And most importantly, since updates (can and often do) have effect on one another, they are strictly serialized (as in, single-threaded). On top of that, all updates go through a rigorous rule checks before being accepted and taking effect. All this translates to that update performance. Note that the update performance is much higher for simple object types (say, person; my last knowledge was over 2000 objects/min), and very slow for complex ones (namely aut-num, with all the extra DNS checks). In practice, it was never an issue that a longer update ran for hours. This performance could be improved greatly given enough priority though. It was always a simple case of this requiring quite some dirty hack or major refactors, while this issue was always considered a minor nuisance, not enough to warrant either. BTW, if you look at the update graph you included, you see that updates are normally almost negligible compared to your batch. Thus most users of ripe database updates see very quick response times. I'd maintain that unless this really stops you from achieving your goals, it's probably best to leave the engineers work on deeper / more pressing issues. Like the fact that the RIPE DB actually needs a massive documentation and a day long training course even for basic usage. And even then, people are struggling with the weird object hierarchy and rules. While could be considered an acceptable approach in '99, this is way outdated by today's standards and user expectations. Cheers, Agoston On Tue, Jun 20, 2017 at 2:23 PM, Jeroen Massar via db-wg <db-wg@ripe.net> wrote:
---------- Forwarded message ---------- From: Jeroen Massar <jeroen@massar.ch> To: db-wg@ripe.net Cc: Bcc: Date: Tue, 20 Jun 2017 14:22:49 +0200 Subject: 2017 and RIPEdb only handles 700 updates per *MINUTE* https://www.ripe.net/analyse/statistics/ripe-database/ripedb-updates
(see attached png for the current version as over time it will disappear)
shows a nice peak with a max of 723.47 updates.
Thus either the software is really bad, the updates are rate limited, or the queries are so high that no further performance is to be expected.
As alluded to in the other thread, if there was less junk (those 400k inet6nums for instance) then likely this would all scale better....
Are the RIPE DB-WG chairs still actively involved in the maintenance of the RIPE Database!?
As two of the co-chairs are working for RIPE NCC, are they able to tell why such a process is slow and why these problems that are being raised over and over on the various lists are not being resolved?
Greets, Jeroen
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Horváth Ágoston János