[PATCH] D129100: [clangd] Support external throttler for preamble builds

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
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Building preambles is the most resource-intensive thing clangd does, driving
peak RAM and sustained CPU usage.

In a hosted environment where multiple clangd instances are packed into the same
container, it's useful to be able to limit the *aggregate* resource peaks.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129100

Files:
  clang-tools-extra/clangd/ClangdServer.cpp
  clang-tools-extra/clangd/ClangdServer.h
  clang-tools-extra/clangd/TUScheduler.cpp
  clang-tools-extra/clangd/TUScheduler.h
  clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp

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