From e9225d2ffc67c177dfac03c42bf5e32480abe77d Mon Sep 17 00:00:00 2001 From: Steve Markgraf Date: Sun, 19 Jul 2026 15:02:14 +0200 Subject: [PATCH] docs: dual-SSD streaming env vars in ENVIRONMENT.md --- docs/ENVIRONMENT.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md index 9f0d749..394a58f 100644 --- a/docs/ENVIRONMENT.md +++ b/docs/ENVIRONMENT.md @@ -78,6 +78,15 @@ Format: `VAR` — default — effect. --- +## Dual-SSD streaming + +| Variable | Default | Effect | +|---|---|---| +| `COLI_MODEL_MIRROR` | unset | Path to a second, byte-identical (read-only) copy of the model on another drive; expert reads are split across both. Partial mirrors work (only the shards present are used). | +| `COLI_DISK_WEIGHTS` | unset (startup bandwidth probe) | Split ratio `,` (e.g. `1,1` for 50/50, `9,3` for a fast+slow pair). Unset = probe both drives with the engine's own access pattern at startup. | + +Per-drive byte counts are reported in a `MIRROR:` stats line. Combine with `DIRECT=1` so the two copies never compete for page cache. + ## CUDA (NVIDIA) | Variable | Default | Effect |