From: jacob Date: Fri, 13 Feb 2004 00:20:52 +0000 (+0000) Subject: Missed one: sftp-slow has gone away with 0.54 X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/commitdiff_plain/b7280cfe63ccf388511f7f47dec3382a99ad6f87?ds=sidebyside;hp=b0891ba29419b7c756b450a3292560a0b3f1036a Missed one: sftp-slow has gone away with 0.54 git-svn-id: svn://svn.tartarus.org/sgt/putty@3859 cda61777-01e9-0310-a592-d414129be87e --- diff --git a/doc/faq.but b/doc/faq.but index 8e7f93c6..e03d1275 100644 --- a/doc/faq.but +++ b/doc/faq.but @@ -1,4 +1,4 @@ -\versionid $Id: faq.but,v 1.57 2004/02/12 18:28:00 simon Exp $ +\versionid $Id: faq.but,v 1.58 2004/02/13 00:20:52 jacob Exp $ \A{faq} PuTTY FAQ @@ -593,12 +593,11 @@ is liable to lead to problems. \S{faq-psftp-slow}{Question} PSFTP transfers files much slower than PSCP. -We believe this is because the SFTP and SSH2 protocols are less -efficient at bulk data transfer than SCP and SSH1, because every -block of data transferred requires an acknowledgment from the far -end. It would in theory be possible to queue several blocks of data -to get round this speed problem, but as yet we haven't done the -coding. If you really want this fixed, feel free to offer to help. +The throughput of PSFTP 0.54 should be much better than 0.53b and +prior; we've added code to the SFTP backend to queue several blocks +of data rather than waiting for an acknowledgement for each. (The +SCP backend did not suffer from this performance issue because SCP +is a much simpler protocol.) \S{faq-bce}{Question} When I run full-colour applications, I see areas of black space where colour ought to be.