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Poor performance on mounts with some operations #167

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townsend2010 opened this issue Feb 23, 2018 · 1 comment
Closed

Poor performance on mounts with some operations #167

townsend2010 opened this issue Feb 23, 2018 · 1 comment
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@townsend2010
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bug
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2018.4.1

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@townsend2010
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For example, git clone git@github.com:MirServer/mir.git is terribly slow. It seems like any operation that does many small reads/writes is very slow.
@townsend2010 townsend2010 self-assigned this Feb 23, 2018
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After much investigation by me and @albaguirre, we have determined that libssh is missing a socket option that sets TCP_NODELAY. After adding this, git clones, etc. are much more like I would expect over an encrypted connection:) That said, closing this and it will be addressed in libssh.

albaguirre added a commit to albaguirre/multipass that referenced this issue Mar 2, 2018
@albaguirre
[sshsession] Enable NODELAY
4804087 
Enable NODELAY by default our ssh usage, which include interactive
console clients and and sftp server, benefit greatly in terms of
performance.

Fixes canonical#167.
albaguirre added a commit to albaguirre/multipass that referenced this issue Mar 2, 2018
@albaguirre
[sshsession] Enable NODELAY
184d995 
Enable NODELAY by default our ssh usage, which include interactive
console clients and and sftp server, benefit greatly in terms of
performance.

Fixes canonical#167.
townsend2010 pushed a commit that referenced this issue Mar 2, 2018
@albaguirre @townsend2010
[sshsession] Enable NODELAY
c918496 
Enable NODELAY by default our ssh usage, which include interactive
console clients and and sftp server, benefit greatly in terms of
performance.

Fixes #167.
@Saviq Saviq added this to the 2018.4.1 milestone Apr 5, 2018
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@Saviq @townsend2010