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| author | Daniel Stenberg <daniel@haxx.se> | 2023-10-06 09:11:57 +0200 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2023-10-06 14:47:36 +0200 |
| commit | 4a80c7503f5a36ad5402407df0771a1783090936 (patch) | |
| tree | ad1b2791646dddab57e64cb6dd48aa08b56baa3a | |
| parent | 8bc474fa0593bfc6e19bae5220b4021d5db39260 (diff) | |
| download | curl-4a80c7503f5a36ad5402407df0771a1783090936.tar.gz | |
curl_easy_pause.3: mention h2/h3 buffering
Asked-by: Maxim Dzhura
Ref: https://curl.se/mail/lib-2023-10/0011.html
Closes #12045
| -rw-r--r-- | docs/libcurl/curl_easy_pause.3 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/libcurl/curl_easy_pause.3 b/docs/libcurl/curl_easy_pause.3 index 7d53eac58..f3a879391 100644 --- a/docs/libcurl/curl_easy_pause.3 +++ b/docs/libcurl/curl_easy_pause.3 @@ -106,6 +106,11 @@ effect that if you download something that is compressed a lot, it can result in a large data amount needing to be allocated to save the data during the pause. consider not using paused receiving if you allow libcurl to uncompress data automatically. + +If the download is done with HTTP/2 or HTTP/3, there is up to a stream window +size worth of data that curl cannot stop but instead needs to cache while the +transfer is paused. This means that if a window size of 64 MB is used, libcurl +might end up having to cache 64 MB of data. .SH AVAILABILITY Added in 7.18.0. .SH RETURN VALUE |