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1. there is no check for n 2f + 1, q3 -> n-f, q4 -> (n + f) / 2 + 1)
n | f | q1 | q2 | q3 | q4
--|--|----|---|---|----
3 | 0 | 2 | - | - | -
4 | 1 | 3 | 3 | 3 | 3
5 | 1 | 4 | 3 | 4…
pfi79 updated
5 years ago
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http://arthurchiao.art/blog/sre-notes-zh/
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Oracles need direct net address, and this can expose all CN IP address.
Any thoughts on this?
One proposal is to create this as a separate server, with exposed ip. It can suffer Denial of service…
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http://arthurchiao.art/blog/google-bigtable-zh/
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- It seems that in the current implementation of raft protocol, at least `voted_for` is not persistent.
Is it partially implemented or am I missing something?
- If a CCF service lost f + 1 nodes…
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http://arthurchiao.art/blog/amazon-dynamo-zh/
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There is a complex set of questions around how to handle method resolution in the presence of `__numpy_ufunc__`. Currently in master is an extremely complicated set of rules that isn't documented and …
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When the cluster has some data (tested with ~1GB) and doing a rolling upgrade one by one, sometimes when the last member gets restarted, it fails with the following error.
```
Nov 07, 2018 8:41:27…
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This paper describes an improvement on the DPOS (Delegated Proof of Stake) algorithm that makes stronger guarantees that a network of nodes following the DPOS 3.0 protocol will not fall out of consens…
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Daniel Larimer, [Nov 28, 2017 at 8:43:32 AM]:
We should have "compatibility version numbers" that don't break just because of a build change.
I'm just saying that the current setup is so strict that w…