Real engineering culture difference. Here's the founder of Solana tweeting 150+ hours of mainnet downtime, including 4.5 hours last year--cause undetermined (!)--as if NBD. "We'll get to three 9s of uptime in a decade." Ethereum has zero downtime since launch.
toly 🇺🇸 avatar
toly 🇺🇸
@aeyakovenko
7mo
99.7% uptime. In 10 years it will be 99.9%
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✳️ dcposch avatar
The closest Ethereum's had to downtime is some large gas spikes, but that's: 1. unavoidable in a permissionless protocol 2. still way better than even 10m of hard downtime, let alone 4h+ 3. mitigated by upcoming L1 scaling
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nir.eth avatar
Agree but also feel that 3 contradicts 1
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✳️ dcposch avatar
No contradiction. L1 scaling makes gas spikes less severe and less common, but in a permissionless protocol it is always ultimately an open auction. If you have millions of dollars' worth of priority fee in the mempool fighting to get onchain, you either pay or wait.
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nir.eth avatar
It can be solved so I don’t consider it unavoidable and find it tribal to give Ethereum that excuse
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✳️ dcposch avatar
It cannot be completely solved. Every chain has *some* throughput limit less than infinity. Then if it's public & permissionless, what do you do if one day there's a huge backlog of senders willing to pay $100 a tx? You either wait or pay $101. No option C.
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Every major Solana outage is followed by a “fix” that just makes the network more centralized SWQoS is a great example after the 2022 downtime, they solved it by giving more network access to big stakers
Stake-Weighted Quality of Service: Everything You Need to Know
helius.dev
Stake-Weighted Quality of Service: Everything You Need to Know
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Anatoly Yakovenko avatar
Every chain biases staked connections over unstaked ones. Otherwise eclipse attacks have zero cost.
Anatoly Yakovenko avatar
🤦‍♂️ this is just how math works. 99.9% uptime with 150 hours of downtime requires 17 total years. 150 hours / (1-0.999) = 150,000 hours
Daniel - Bountycaster avatar
I'm probably the minority here but there is significantly more consumer adoption on Solana therefore the downtime is excused
rafa avatar
I don’t think any other hard enterprise tech could sell with three 9s
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rafa avatar
Aren’t typical SLAs for enterprise software are either 4 or 6 nines?
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✳️ dcposch avatar
Nah, 6 nines is exotic high availability. It means ~30 seconds of downtime a year, so if your API is down for 5 minutes once you've blown your "6 nines" downtime budget for the decade. 4 is more standard.
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