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Add IntraNode NVLink configration in PD disaggregation docs (#23329)

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Co-authored-by: 百麒 <yaozhong.lyz@alibaba-inc.com>
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2026-05-13 23:23:57 -07:00
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co-authored by 百麒
parent 3640116397
commit 0680f1b3d1
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docs/advanced_features/pd_disaggregation.md
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@@ -133,6 +133,12 @@ To enable NVLink transport for KV cache transfers with the mooncake backend (rec
export SGLANG_MOONCAKE_CUSTOM_MEM_POOL=NVLINK
export MC_FORCE_MNNVL=True
```
To utilize Intra-Node NVLink for KV cache transfers with the Mooncake backend (recommended for A100, H20, H100, etc.), set the following environment variables. Please note that auxiliary data still needs to be transferred via TCP.
```bash
export SGLANG_MOONCAKE_CUSTOM_MEM_POOL=INTRA_NODE_NVLINK
export MC_INTRANODE_NVLINK=true
```
The `SGLANG_MOONCAKE_CUSTOM_MEM_POOL` environment variable enables the custom memory pool. Supported values are `NVLINK` (or `True`), `BAREX`, and `INTRA_NODE_NVLINK`.
docs_new/docs/advanced_features/pd_disaggregation.mdx
+6
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@@ -137,6 +137,12 @@ export SGLANG_MOONCAKE_CUSTOM_MEM_POOL=NVLINK
export MC_FORCE_MNNVL=True
```
To utilize Intra-Node NVLink for KV cache transfers with the Mooncake backend (recommended for A100, H20, H100, etc.), set the following environment variables. Please note that auxiliary data still needs to be transferred via TCP.
```bash
export SGLANG_MOONCAKE_CUSTOM_MEM_POOL=INTRA_NODE_NVLINK
export MC_INTRANODE_NVLINK=true
```
The `SGLANG_MOONCAKE_CUSTOM_MEM_POOL` environment variable enables the custom memory pool. Supported values are `NVLINK` (or `True`), `BAREX`, and `INTRA_NODE_NVLINK`.
#### Prefill Server Configuration