diff options
| -rw-r--r-- | guix/build/download.scm | 2 | ||||
| -rw-r--r-- | guix/http-client.scm | 12 |
2 files changed, 12 insertions, 2 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm index 5d881b93ee..d98933a907 100644 --- a/guix/build/download.scm +++ b/guix/build/download.scm @@ -167,8 +167,6 @@ which is not available during bootstrap." ;; Buffer input and output on this port. (setvbuf s _IOFBF) - ;; Enlarge the receive buffer. - (setsockopt s SOL_SOCKET SO_RCVBUF (* 12 1024)) (if (eq? 'https (uri-scheme uri)) (tls-wrap s) diff --git a/guix/http-client.scm b/guix/http-client.scm index 1f05df4b05..4770628e45 100644 --- a/guix/http-client.scm +++ b/guix/http-client.scm @@ -162,7 +162,19 @@ closed it will also close PORT, unless the KEEP-ALIVE? is true." (define* (open-socket-for-uri uri #:key (buffered? #t)) "Return an open port for URI. When BUFFERED? is false, the returned port is unbuffered." + (define rmem-max + ;; The maximum size for a receive buffer on Linux, see socket(7). + "/proc/sys/net/core/rmem_max") + + (define buffer-size + (if (file-exists? rmem-max) + (call-with-input-file rmem-max read) + 126976)) ; the default for Linux, per 'rmem_default' + (let ((s ((@ (web client) open-socket-for-uri) uri))) + ;; Work around <http://bugs.gnu.org/15368> by restoring a decent + ;; buffer size. + (setsockopt s SOL_SOCKET SO_RCVBUF buffer-size) (unless buffered? (setvbuf s _IONBF)) s)) |