bsimpson63

4 ms·

1. 1.▲
   by bsimpson63 9y ago

   https://grafana.com/ for the graphs and https://www.draw.io/ and http://www.fiftythree.com/ for the diagrams.
2. 2.▲
   by bsimpson63 9y ago

   Not having to implement redis ourselves.
3. 3.▲
   by bsimpson63 9y ago

   > keeping it in RAM on a single machine > 500kB packed array, coupled with cooldown logic, should have a negligible performance cost and can easily be done on a single thread. That thread could interact via atomic channels with the CD
4. 4.▲
   by bsimpson63 9y ago

   What was wrong with it?
5. 5.▲
   by bsimpson63 9y ago

   You're basically describing how we used redis for this project.
6. 6.▲
   by bsimpson63 9y ago

   http://www.drawball.com/
7. 7.▲
   by bsimpson63 9y ago

   This was just a back of the napkin estimation. I think at one point we calculated that we'd be able to support one tile placement per user per second.
8. 8.▲
   by bsimpson63 9y ago

   At reddit it's much easier for us to stand up a new Cassandra column family than a new postgres table (not saying this is how it should be, but just how it is). All we needed to do here was add some simple locking and we would have bee
9. 9.▲
   by bsimpson63 13y ago

   That's actually how it works. If you target an ad to /r/programming it will show up on the frontpage for users subscribed to /r/programming.