justnoise

5 ms·

1.
by justnoise 5mo ago
Many data centers use evaporative cooling.
2.
by justnoise 2y ago
I'd guess that Discord's storage systems lean towards processing a lot more writes than reads. Postgres and other databases that use B-tree indexing are ideally suited for read heavy workloads. LSM based databases like Cassandra&
3.
by justnoise 6y ago
In terms of the qualities of the wood, the Asian and European Chestnuts are less dense, less strong and has coarser grain structure compared to the American Chestnut. I might be wrong but I've heard the other Chestnuts don't grow
4.
by justnoise 7y ago
On bare-metal boot times are drastically different. OSv was sub-second while our Alpine images were 3-5 seconds depending on what services we needed. However, we were focused on running our system on cloud VMs, not bare-metal. In the clo
5.
by justnoise 7y ago
The company I work at started with the idea that we would build an orchestration system for Unikernels. Very much in the same space as the NanoVMs folks. I totally applaud their work. We took a different path once our small team worked w
6.
by justnoise 7y ago
I don't think etcd was designed with the idea of competing with larger distributed databases. For example, the maximum database size limit in etcd (as of v3.3) 10GB. This works for an application like Kubernetes where you're sto
7.
by justnoise 7y ago
I try to spend my time doing things that let me create things, get into a flow state or both of those. I'm also a bit of an introvert. At work that has led me into a career in software. At home, there's a couple things that hav
8.
by justnoise 7y ago
As can etcd. Edit: Oh right, the fact that etcd is golang might make that an issue for Kafka...
9.
by justnoise 7y ago
The exclusion zone is actually resembles a wildlife refuge these days. From reports of the numbers of animals present it seems like human populations are much worse for wildlife than low levels of ionizing radiation and other contaminants f
10.
by justnoise 7y ago
A demonstration power plant based on the Allam cycle [1] is being tested in Texas. In that process the CO2 is captured while achieving efficiencies that come close to conventional power plants. The plant in Texas burns natural gas but the A
11.
by justnoise 7y ago
This article summarizes why they refueled after takeoff: https://theaviationgeekclub.com/former-sr-71-driver-explains... TLDR: They needed full tanks (more or less) or an inert layer of nitrogen over the gas in the tanks be
12.
by justnoise 8y ago
Just in case those IPs are within your AWS account: you can apply a single security group to those machines and then use that security group as the destination in the outbound rule. If they're outside your account then, you're rig
13.
by justnoise 8y ago
It's mentioned briefly through a single paragraph but not much beyond that. "He lived through the war under the name Grzegorz Krochmalny and hid in an estate near Lviv and at a manor neat Nowy Sącz. He gave private lessons in exch
14.
by justnoise 9y ago
In the case of US cities (sorry, I don't know about research that covers Canadian cities) research shows it's a limited supply and failure/inability to grow that makes popular cities expensive: https://www.buildzoo
15.
by justnoise 9y ago
Well you'll never get your wish if you keep wishing for that! While it's a small sample size, I keep on hearing of friends who want to buy a house but are waiting for the current "bubble" to deflate a bit. Combine that
16.
by justnoise 14y ago
Certainly! I've never written a line of Java but I had no trouble following the examples in the book. The naming of variables, methods, etc. makes for easy reading without any Java knowledge. You just need to be able to identify a class
17.
by justnoise 14y ago
I wanted to post this last night but the internet went down in Vientiane (again) so I just went to sleep. Having spent the last couple of months connecting from various parts of SE Asia, I'm happy to see this getting the attention it deserv
18.
by justnoise 15y ago
Exactly. Where I used to work, anyone without a quant background would be urged to buy a copy of Grinold and Kahn the bible you suggested above or "Quantitative Equity Portfolio Management" by Chincarini and Kim.
19.
by justnoise 18y ago
I started working through my copy about a month ago and have no regrets about spending a lot of time with it (still have 1 chapter to go). While I might not have felt very enthusiastic about working through all the exercises, they're VERY