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Poor performance SFTPing files #29

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valenciaj opened this issue Mar 9, 2020 · 1 comment

valenciaj commented Mar 9, 2020

I try to copy from my server to local thru ssh2.cr and I observe a poor performance like this:

javier@XXXXXX:~/projects/crystal/backuper$ time ./backuper ~/.ssh/id_rsa awscli-bundle.zip 
11648371 bytes writed.

real	0m27,632s
user	0m0,568s
sys	0m0,204s

There are a better way to copy file than IO.copy from channel to File?

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valenciaj commented Mar 9, 2020 •

edited

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Doing a cat on file instead SFTP:

javier@jvdesk:~/projects/crystal/backuper$ time ./backuper ~/.ssh/id_rsa awscli-bundle.zip 
11648371 bytes writed.

real	0m6,496s
user	0m0,403s
sys	0m0,270s

valenciaj changed the title ~~Poor performance SCPing files~~ Poor performance SFTPing files

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