9e5292a003
Stefan Eissing
2026-09-02
Subject
ngtcp2: shrink max sendbuf
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lib/vquic/cf-ngtcp2-cmn.h+3 -4
| @@ -83,14 +83,13 @@ struct cf_quic_ctx; | |
| #if H3_STREAM_CHUNK_SIZE < NGTCP2_MAX_UDP_PAYLOAD_SIZE | |
| #error H3_STREAM_CHUNK_SIZE smaller than NGTCP2_MAX_UDP_PAYLOAD_SIZE | |
| #endif | |
| - | /* The pool keeps spares around and half of a full stream window |
| - | * seems good. More does not seem to improve performance. |
| + | /* The pool keeps spares around for all streams. |
| * The benefit of the pool is that stream buffers do not keep | |
| * spares. Memory consumption goes down when streams run empty, | |
| * have a large upload done, etc. */ | |
| - | #define H3_STREAM_POOL_SPARES 2 |
| + | #define H3_STREAM_POOL_SPARES 5 |
| /* The max amount of un-acked upload data we keep around per stream */ | |
| - | #define H3_STREAM_SEND_BUFFER_MAX (10 * 1024 * 1024) |
| + | #define H3_STREAM_SEND_BUFFER_MAX (10 * H3_STREAM_CHUNK_SIZE) |
| #define H3_STREAM_SEND_CHUNKS \ | |
| (H3_STREAM_SEND_BUFFER_MAX / H3_STREAM_CHUNK_SIZE) | |
| /* How much data we initially want to buffer un-acked */ | |