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Re: Problem in download 8 gigabyte files using sftp

From: <>
Date: Fri, 13 Jan 2012 12:09:46 +0100

I've upgraded libCurl to 1.23 and libssh2 to 1.30 and the problems
But, unfortunately, we got a problem on timing:

*ftp* file size: 6442450944 bytes__

real 0m18.146s

user 0m1.295s

sys 0m14.821s

*sftp*file size: 6442450944 bytes__

real 22m26.180s

user 16m46.159s

sys 1m29.796s

Best Regards.

On 01/13/2012 08:59 AM, Daniel Stenberg wrote:
> On Thu, 12 Jan 2012, wrote:
>> I must move very large files across the intranet; I'm trying to put
>> and get a file of 8 gigabytes using sftp.
>> For get: I got the following coredump:
>> (gdb) where
>> #0 libssh2_session_block_directions (session=0x0) at session.c:1642
>> #1 0x000000366e63dc74 in ssh_block2waitfor (conn=0xee9810,
>> block=<value optimized out>) at ssh.c:2310
>> OS: CentOS kernel: 2.6.32-131.12.1.el6.x86_64
>> cURL:libcurl/7.19.7 zlib/1.2.3 libidn/1.18 libssh2/1.2.7
>> libgcrypt-1.4.5-3
> Does it always happen on this big files or is it bound to this
> particular file/server?
> Can you please try with a more recent libcurl and libssh2 and see if
> the bug persists?

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Received on 2012-01-13