37 lines
1.1 KiB
Bash
Executable File
37 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Bound the ggml-rpc worker tensor cache.
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#
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# The worker (frank-pp-worker on Dankserver) keys cache entries per
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# session, so each model load writes a fresh full copy (~15 GB). Left
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# unbounded, the directory filled the root disk to 100% on 2026-08-17;
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# failed cache writes left 0-byte entries, and a later reload served
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# corrupt weights -> degenerate model output (see the cache incident in
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# docs/Pipeline Parallelism/Qwen3.8 PP Deployment.md).
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#
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# This script prunes the cache to a byte cap, oldest files first. Cache
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# entries are derived data: safe to delete. Run from cron on Dankserver.
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set -euo pipefail
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CACHE_DIR=/home/dank/.cache/llama.cpp/rpc
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MAX_BYTES=$((40 * 1024 * 1024 * 1024)) # 40 GiB
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if [[ ! -d "$CACHE_DIR" ]]; then
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exit 0
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fi
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total=$(du -sb "$CACHE_DIR" | cut -f1)
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if (( total <= MAX_BYTES )); then
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exit 0
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fi
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while (( total > MAX_BYTES )); do
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oldest=$(ls -1t "$CACHE_DIR" | tail -1)
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if [[ -z "$oldest" ]]; then
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break
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fi
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rm -f -- "$CACHE_DIR/$oldest"
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total=$(du -sb "$CACHE_DIR" | cut -f1)
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done
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echo "prune-rpc-cache: pruned to $(du -sh "$CACHE_DIR" | cut -f1)"
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