processfork-sglang
ProcessFork plugin for SGLang ≥0.5.
Snapshot / fork / checkout endpoints that preserve RadixAttention
prefix-sharing across restores.
Install
pip install "processfork-sglang[sglang]"
Use
python -m sglang.launch_server \
--model meta-llama/Llama-3-8B \
--plugin processfork \
--deterministic-mode
Endpoints (matching the vLLM plugin's surface):
POST /processfork/snapshot
POST /processfork/fork
POST /processfork/checkout
POST /processfork/merge
The plugin maps SGLang's mem_pool.req_to_token_pool onto the
paged-batchinvariant-v1 LogicalSeq array, so prefix-sharing
survives across snapshot/restore.
Bit-exact restore requires --deterministic-mode.
Status
The trait surface and wire format are stable. The live FFI shim into
sglang.srt.mem_cache.RadixCache lands in v1.0.1 alongside the vLLM
adapter. Until then, the plugin's HTTP surface returns 501 with a
clear pointer to this README.
1 maintainer
Metadata
1 maintainer
Release files for processfork-sglang 1.0.3
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| File | Size | Uploaded | Provenance | |
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| processfork_sglang-1.0.3.tar.gz | 6.8 kB | With provenance | Details |
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| processfork_sglang-1.0.3-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 12.9 kB
Release files / processfork_sglang-1.0.3.tar.gz
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| Tags | Python 3 |
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