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Update RUSTUP_UNPACK_RAM docs to reflect code #2486

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Sep 15, 2020
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2 changes: 1 addition & 1 deletion doc/src/environment-variables.md
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
determines the directory that traces will be written too. Traces are of the
form PID.trace. Traces can be read by the Catapult project [tracing viewer].

- `RUSTUP_UNPACK_RAM` *unstable* (default 400M, min 100M) Caps the amount of
- `RUSTUP_UNPACK_RAM` *unstable* (default free memory or 500MiB if unable to tell, min 210MiB) Caps the amount of
RAM `rustup` will use for IO tasks while unpacking.

- `RUSTUP_NO_BACKTRACE` Disables backtraces on non-panic errors even when
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