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fix(sglang): use incremental_streaming_output instead of deprecated stream_output #7642

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Merged
rmccorm4 merged 2 commits into from
Apr 1, 2026
Merged

fix(sglang): use incremental_streaming_output instead of deprecated stream_output #7642

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c5f81b5
fix(sglang): use incremental_streaming_output instead of deprecated s…
YAMY1234 Mar 25, 2026
9fed398
fix(sglang): add backward compat for stream_output rename
YAMY1234 Apr 1, 2026
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10 changes: 6 additions & 4 deletions components/src/dynamo/sglang/args.py
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Original file line number Diff line number Diff line change
Expand Up @@ -369,10 +369,12 @@ async def parse_args(args: list[str]) -> Config:
server_args = ServerArgs.from_cli_args(parsed_args)

# Dynamo's streaming handlers expect disjoint output_ids from SGLang (only new
# tokens since last output), not cumulative tokens. When stream_output=True,
# SGLang sends disjoint segments which Dynamo passes through directly.
# Force stream_output=True for optimal streaming performance.
server_args.stream_output = True
# tokens since last output), not cumulative tokens.
# sglang renamed stream_output -> incremental_streaming_output in PR #20614.
if hasattr(ServerArgs, "incremental_streaming_output"):
server_args.incremental_streaming_output = True
else:
server_args.stream_output = True

if dynamo_config.use_sglang_tokenizer:
warnings.warn(
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