Viewing profile — mapme
mapme
HN member- Joined
- Sun, Oct 18, 2020, 9:28 PM UTC
- HN karma
- 175
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- 80 items
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About mapme
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Recent public activity
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Comment #47882438
Who is more impactful, the startup engineer who singlehandedly ships a feature that increases a startup revenue by 25% off a base $5M/yr ($1M extra rev), or a Meta/Google team of 5…
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Comment #47056718
What field has interviews without silliness like this. Jobs for lawyers in 1950 when all that mattered was your father and your alma mater? Hard pass. I would take a interview prem…
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Comment #44770988
The native tool use is a game changer. When I ask it to debug something it can independently add debug logging to a method, run the tests, collect the output, and code based off th…
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Comment #35658547
Living off 20k a year in a Hcol, where these salaries primarily occur, is next to impossible. Rent alone anywhere in SF area, for example San Jose, is 2k at a bare minimum for a 1B…
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Comment #34744016
Is there a OSS license that specifically precludes its use in LLMs or effectively does so?
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Comment #34296473
Twitters data cannot fit on one machine. In 2015 their Hadoop cluster was 30 PB per earlier comments/their blog. How do you fit that on one machine?
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Comment #34293916
They did not spend half their revenue on compute. It’s more like 20-25% for running data enters/staff for DCs. Check their earnings report. Whats app is not an applicable compariso…
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Comment #33725782
Excluding a settlement from 2014 that was paid this year, Twitter would have made 500mil on 5B revenue in 2021. They were also GAAP profitable in 2019. Additionally, the incentive …
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Comment #33708099
SRE is a mix of both. The expectation is you are able to write and understand any code the team is responsible for.
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Comment #33708067
Yes that is the normal case. The post was refuting the assertion that one engineer can run these services indefinitely as previously the OP had the help of SWEs oncall and also fix…
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Comment #33702588
Source?
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Comment #33702532
One SRE, many SWE. Also have fun asking someone to be permanently oncall with one person on the team. The cache clusters size are also described here for anyone who wants a good te…
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Comment #33462240
But Tesla and Spacex have notoriously low pay compared to their peers. Eg a Tesla swe makes 40% less than at Google
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Comment #33446270
Holy moly you should relax buster, I was joking!
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Comment #33445841
Nothing, because they don’t understand RecSys which is half of ML at social media companies. Probably could help with prediction for ads but the domains are very different.
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Comment #33445748
Printing code on paper definitely happened. Confirmed by multiple folks. The layoff 75% numbers and layoffs before Nov 1 were false though. https://twitter.com/leahculver/status/15…
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Comment #33412639
This is false.
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Comment #33411355
Employee salaries is only 1.5B of their 4.5B annual costs. Edit: per Wapo but you can see the cost structure from 10ks mostly
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Comment #33380927
IME for engineering at these companies is that the social or political side of things is mostly irrelevant for Eng. Some folks want to be involved in internal activism but it’s eas…
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Comment #33367202
This is assuming that political power comes from influencing all Americans rather than a small fraction who hold true power (politicians, donors, journalists, industry groups, etc.…
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Comment #33352224
Does graal native perform better than a non-native running with JIT compilation?
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Comment #33282798
I think this is an unhelpful comparison. Simply put, when users exchange messages on WhatsApp it causes minimal traffic to a WhatsApp data enter as it’s mostly p2p. No ads, no pers…
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Comment #33219445
That is very helpful, thank you! Good point on load balancing, and also retries, back pressure, etc. would change it as well.
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Comment #33217755
what are the most common types of queues for large data center applications (eg. Stateless app that handles rpcs, running on N machines). Are they mostly M/M/N? For example, is mem…
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Comment #33197135
Interesting, anecdotally at a faang adjacent company, I do not know of any Seniors who do not have code as their primary output. Even a large majority of staff actively code IME.