jhgg

32 ms·

301.
by jhgg 9y ago
Would love to see how this compares to ScyllaDB.
302.
by jhgg 9y ago
It's worth noting that the instance migration basically null-routed the redis VM for a good 30 minutes, until we manually intervened and restarted it. The instance was completely disconnected from the internal network immediately follo
303.
Lessons from migrating a large codebase to React 16(blog.discordapp.com)
12 points by jhgg 9y ago|0 comments
304.
by jhgg 9y ago
If I had to speculate, I'd suspect that even though they reaffirmed the BSD+Patent license publicly, FB probably started exploring the possibility of relicensing the projects shortly after that. Not to say WP saying they wont use react
305.
by jhgg 9y ago
I doubt it was related. The wheels to get this in motion must have started months in advanced, probably around the time ASF started advising against this license (labeling at as Category-X [1]) [1] https://www.apache.org/leg
306.
by jhgg 9y ago
Gif resizing is pretty hard. We've spent some pretty substantial effort in doing gif resizes for our infra. Out of curiosity, what library is your saas backed by?
307.
by jhgg 9y ago
>I don't think they've even needed to tweak the vm yet either, just their user space code. We haven't really had to. Really only args we use are "+sbt db +zdbbl 32000 +K true" and increasing the default process l
308.
by jhgg 9y ago
We use etcd.
309.
by jhgg 9y ago
Elixir/Erlang is great, but in addition to knowing the language, there is a huge library of tools within OTP/ERTS that you need to understand to effectively use it and skills learned from other languages don't map too well to
310.
by jhgg 9y ago
It's happening to us too. Firebase status page was updated, but it looks like GCS in general was not.
311.
by jhgg 9y ago
It is kinda a 20 minute job. On production, where I work, we just bake the maxmind DB into our app server images (it updates when we redeploy - which is a couple times a week) and use the maxmind client to read from that DB file. Was just a
312.
by jhgg 10y ago
What's the benefit here instead of using the tcp load balancer? I'm guessing it's primarily URL mapping. Does it support websocket compression (meaning the load balanced servers don't need to do compression - as it'
313.
by jhgg 10y ago
The point is that you only send the hash to the database to connect. If you steal the hash, you can connect to the database using said hash, not needing the plaintext. The password might as well be the hash in this case. Hence the equivalen
314.
by jhgg 10y ago
Yah sure - hit me up jh@<ourwebsitehere.com> (where ourwebsiteher is discordapp)
315.
by jhgg 10y ago
Pretty interesting - but doing some number crunching, Fly looks to be two orders of magnitude more expensive than enterprise cloudflare. Which does offer smart routing, load balancing and what not.
316.
by jhgg 10y ago
on desktop, ios or android?
317.
by jhgg 10y ago
Yo! We actually do support Volume + Pan in the Discord RPC - which will let developers implement positional audio. But this means that it'll have to be something that's implemented by game developers rather than how mumble does it
318.
by jhgg 10y ago
Yeah - there are more plans to handle more robust message retry logic. But it's a pretty hard problem to handle. Duplicate message delivery has been fixed for a while though - although there are some rare cases where it can still happe
319.
by jhgg 10y ago
This was a long time ago - back in alpha stages of the product. We've since made some pretty big strides to being resilient to network drops, packet loss, network roaming, etc... I was actually one of the engineers who worked on these.
320.
by jhgg 10y ago
Maybe one day. It'd be trivial to add per-locale templates. The hard part really is exposing that in our new guild flow (hey - what language is this server gonna be in) - and also handling if someone chooses to change their server lang
321.
by jhgg 10y ago
We're just passing elastic search JSON data using their query DSL: https://www.elastic.co/guide/en/elasticsearch/reference/curr...
322.
by jhgg 10y ago
Yup. We're thinking about that too. We've been monitoring node performance closely to see when we'll need to shift the topology around a bit. I'd want to keep our clusters small and the topology uniform before I investig
323.
by jhgg 10y ago
How would it be any different from prepending a security clause/condition to a SQL statement for a traditional rdbms?
324.
by jhgg 10y ago
The historical index workers index the history of the server, whereas we have a real-time index worker that is consuming and bulk inserting messages in real time. Searching for the first time in a server turns on real-time indexing and trig
325.
by jhgg 10y ago
Good question. So far we've noticed the refresh time to be negligible (worst case in the tens of milliseconds). It's worth noting that most of the cost of doing a search on Discord is in pulling the message context from Cassandra
326.
by jhgg 10y ago
The first time you run a search in a server (or the first time you run a search in a server after the index fails) - will trigger a full re-index of that server. Ctrl-F "Historical Index" in the blog post for more details! If you&
327.
by jhgg 10y ago
ES can indeed rebalance shards to new nodes as they join the cluster. More here: https://www.elastic.co/guide/en/elasticsearch/reference/curr...
328.
How Discord Indexes Billions of Messages Using Elasticsearch(blog.discordapp.com)
337 points by jhgg 10y ago|58 comments
329.
by jhgg 10y ago
Can you explain how Discord makes privacy hard to set up? Servers by default are private (No one can join or even see the server unless they are invited to it). You can disable people's ability to create invites with a 3 clicks. (discl
330.
by jhgg 10y ago
Patches could be assets - updated map data - updated textures - updated AI scripts? I don't think these need a full app store update as it's not changing the game from a game to a dating app (for example).

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