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OK. Accordant to recent comment, seems it is a libssh2 issue. closing this bug here... Opening in libssh2.
2009-07-08 05:56:27 UTC in curl and libcurl
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I did test with libssh2 .
sftp_write consumes about 15 % cpu
sftp_write_nonblock ~ 80 %
Does it mean that curl uses nonblock mode ? I recompiled curl with --disable-nonblocking option. But same affect - high cpu usage.
How chould I recompile curl to use blocking mode ?.
2009-07-07 19:29:45 UTC in curl and libcurl
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Sorry for the prio.
Yes, I tried latest curl and libssh2. The same effect.
2009-07-07 06:01:04 UTC in curl and libcurl
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libssh2-1.1
curl-7.18.2
Red Hat Enterprise Linux Server release 5.1 (Tikanga). But this bug is valid for any Linux with any version of curl or libssh2.
2009-07-06 11:04:04 UTC in curl and libcurl
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We use curl-library to support FTP and SFTP protocols in our projects (Linux RHEL).
We were completing migration from FTP to SFTP and unexpectedly faced with two issues using curl library (used latest versions).
1. The CPU usage is very high (80-90%) during SFTP copying.
Any process or thread, which is using curl lib, consumes about 90% cpu usage during SFTP copying.
It is a too much for...
2009-07-06 10:48:46 UTC in curl and libcurl
