[clangd-dev] DNS for LLVM/clangd index server

[Sam McCall via clangd-dev]

Hi llvm-admin folks,

We're developing a "remote index" feature that makes clangd work better on
large codebases:  clangd queries a shared index server instead of parsing
the whole project locally.
It's early days, but our initial target is LLVM itself. We have a public
instance at 34.107.73.68 - Google is providing a GCP VM to run it on, but
the indexer/server is part of llvm-project[1].

We'd like to give it a domain name so we can start sharing with early
testers. Does it make sense to point clangd-index.llvm.org at this server?
If there are concerns, we could also register a different domain, and
either revisit once this is more stable or keep it "unofficial"
indefinitely.

Privacy-wise, we need to write up a policy, but the service accepts limited
context information needed to serve queries (e.g. the incomplete identifier
for code completion). It will *record* only coarse aggregate statistics
like request count/latency distribution/error rate, for monitoring health
and usefulness.

Happy to discuss more about logistics, privacy, the feature itself or
anything else.

Cheers, Sam

[1]
https://github.com/llvm/llvm-project/blob/master/clang-tools-extra/clangd/index/remote/README.md
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