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Mike Coutermarsh Profile
Mike Coutermarsh

@mscccc

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Building really fucking fast MySQL and Postgres databases @PlanetScale

Pennsylvania, USA
Joined December 2009
Don't wanna be here? Send us removal request.
@mscccc
Mike Coutermarsh
5 hours
Found an account dedicated to the benefits of walking. These are my people.
@gregmushen
Greg Mushen
8 hours
Vascular stiffening is a root cause of many diseases of aging. We used to think it was unavoidable, but not anymore. Unlike short bursts of exercise, walking provides chronic low level sheer stress for hours per day, which is precisely the signal the arteries evolved under.
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@mscccc
Mike Coutermarsh
1 day
RT @jnunemaker: You don’t need the “perfect Rails architecture.”. You need 100 deploys this month. Speed creates feedback. Feedback create….
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@mscccc
Mike Coutermarsh
2 days
RT @brian_scanlan: Moving to PlanetScale added a 9 to our uptime.
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@mscccc
Mike Coutermarsh
7 days
RT @vmg: This is one of the things I’ve been doing at Cursor! We’ve migrated our largest database workload, the `codebase` cluster, from AW….
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@mscccc
Mike Coutermarsh
7 days
RT @leerob: PlanetScale is a beast. Our largest workload there has 256 shards and 300 TB (!) of data. Queries respond at ~10ms (p99) at p….
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@mscccc
Mike Coutermarsh
8 days
You: spending $1000 on a new mechanical split keyboard . Me: paying a super jacked gym bro $400 for forearm growth tips.
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@mscccc
Mike Coutermarsh
8 days
Part 2
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@mscccc
Mike Coutermarsh
8 days
Part 1
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@mscccc
Mike Coutermarsh
8 days
How can you call yourself a computer programmer if you don’t have a dedicated forearm day to fight off the RSIs.
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@mscccc
Mike Coutermarsh
9 days
How to be hot, a guide. 1. 10k steps daily.2. Bodyweight in protein.3. Write Ruby.
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@mscccc
Mike Coutermarsh
9 days
writing code in 2025 is just so much better. (it did, fix it for me)
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@mscccc
Mike Coutermarsh
10 days
RT @jsneedles: The 1st R in MRR/ARR is recurring.
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@mscccc
Mike Coutermarsh
12 days
sounds terrible.
@rohanpaul_ai
Rohan Paul
13 days
FAANG software engineer tells how they vibe code at FAANG. ---. reddit. com/r/vibecoding/comments/1myakhd/how_we_vibe_code_at_a_faang/
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@mscccc
Mike Coutermarsh
14 days
RT @fat: One thing that has served me well over and over in my career is just betting on software / services from people i like. @isamlam….
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@mscccc
Mike Coutermarsh
15 days
RT @BowTiedRunning: A good run is like a bandaid. Gives you just enough life for the next few hours to mutter a “we’re back”.
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@mscccc
Mike Coutermarsh
17 days
RT @vmg: This is a very unique opportunity to work in a leading database startup. Hard to overstate how far ahead of the competition Planet….
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@mscccc
Mike Coutermarsh
23 days
RT @BenjDicken: Seems like everyone's talking about database sharding. Earlier this year, I wrote an interactive guide on how it works for….
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@mscccc
Mike Coutermarsh
25 days
8,500+ step streak continues
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@mscccc
Mike Coutermarsh
25 days
nice, good streak for a redis instance
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@mscccc
Mike Coutermarsh
25 days
RT @PlanetScale: We’ve been hard at work building the most scalable and reliable sharding solution for Postgres. A great piece of software….
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