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A comment on Why Discord is switching from Go to Rust. Parent comment

Re:Why Discord is switching from Go to Rust by cft on Wednesday February 05, 2020 @02:27AM (#22244728)
> From a purely architectural perspective, I would try to put cacheable material in something like memcache or redis

You cannot use a caching server at that scale with those latency requirements. It has to be embedded

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Re:Why Discord is switching from Go to Rust by toxicafunk on Wednesday February 05, 2020 @06:32AM (#22245889)
Something like rocksdb (https://rocksdb.org/) then
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Re:Why Discord is switching from Go to Rust by cft on Wednesday February 05, 2020 @08:38AM (#22246575)
You cannot use that either, due to I/O block device saturation, even on enterprise PCIe NVMe. Not enough parallel IOPS. Only RAM can be used.
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