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Destroying Cockroaches and a Hackathon Experience

emsal.me

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Re: Destroying Cockroaches and a Hackathon Experience

#4

Post by az0xff »

omn1 wrote: post #2

Very innovative idea. Not sure if it's in the article, but did you bring CockroachDB down? Also, for anybody trying to repeat that experiment, you should have a look at Jepsen ( https://jepsen.io/analyses/cockroachdb-beta-20160829 )

Definitely going to take a look at that!

Our foundation with respect to distributed systems isn't really formally rigid (I'm still trying to understand how Raft and Paxos work) and looking at this will probably help a lot!

Re: Destroying Cockroaches and a Hackathon Experience

#5

Post by sparky2013 »

az0xff wrote: post #3

Hi everyone! This is my post! (Proof [1]) Feel free to ask me any questions about this. [1]: https://twitter.com/emsal1863/status/847905495679516676

WOW. Also worked on this project. Holy crap em. If anyone has questions about the bash side of things, hit me.

Re: Destroying Cockroaches and a Hackathon Experience

#6

Post by sparky2013 »

omn1 wrote: post #2

Very innovative idea. Not sure if it's in the article, but did you bring CockroachDB down? Also, for anybody trying to repeat that experiment, you should have a look at Jepsen ( https://jepsen.io/analyses/cockroachdb-beta-20160829 )

We definitely could have. That said, to make it a "fair fight", where the cluster was trying as hard as possible to survive, we would have had to mess around with the amount of data stored on it. The current implementation works with a fixed amount of data, but we toyed with idea of starting with some large amount, which means nodes would take longer to replicate, and then decreasing it as we went, until roaches spawned so fast they overwhelmed you (but ultimately didn't implement it because of time constraints)

Re: Destroying Cockroaches and a Hackathon Experience

#8

Post by psiclops »

az0xff wrote: post #4
omn1 wrote: post #2

Very innovative idea. Not sure if it's in the article, but did you bring CockroachDB down? Also, for anybody trying to repeat that experiment, you should have a look at Jepsen ( https://jepsen.io/analyses/cockroachdb-beta-20160829 )

Definitely going to take a look at that! Our foundation with respect to distributed systems isn't really formally rigid (I'm still trying to understand how Raft and Paxos work) and looking at this will probably help a lot!

I would suggest https://raft.github.io/

That has a nice, interactive visualization along with links to the paper itself, implementations, and talks about raft.

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