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Code Issues Releases Wiki Activity

KNOWN_BUGS: Excessive HTTP/2 packets with TCP_NODELAY

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Reported-by: Alex Xu
Closes #6363
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Daniel Stenberg 2021-02-13 22:42:58 +01:00
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@ -12,6 +12,7 @@ check the changelog of the current development status, as one or more of these
problems may have been fixed or changed somewhat since this was written!
1. HTTP
1.1 Excessive HTTP/2 packets with TCP_NODELAY
1.2 Multiple methods in a single WWW-Authenticate: header
1.3 STARTTRANSFER time is wrong for HTTP POSTs
1.4 multipart formposts file name encoding
@ -146,6 +147,16 @@ problems may have been fixed or changed somewhat since this was written!
1. HTTP
1.1 Excessive HTTP/2 packets with TCP_NODELAY
Because of how curl sets TCP_NODELAY by default, HTTP/2 requests are issued
using more separate TCP packets than it would otherwise need to use. This
means spending more bytes than it has to. Just disabling TCP_NODELAY for
HTTP/2 is also not the correct fix because that then makes the outgoing
packets to get delayed.
See https://github.com/curl/curl/issues/6363
1.2 Multiple methods in a single WWW-Authenticate: header
The HTTP responses headers WWW-Authenticate: can provide information about