Slow ssh stash clones

I am running Stash 2.0.1 on Windows. When I clone my repo using the http url, it takes 5 minutes, when I use the ssh protocol - it takes 54 minutes. Anyone else experiencing this or fixed it?

6 answers

1 accepted

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It not a Stash problem, this is problem of msysGit OpenSSH on Windows. See https://github.com/msysgit/msysgit/issues/31#issuecomment-13310285

To avoid this, you can use Cygwin's SSH (just copy over files). But this is not good solution, better way is to wait until developers upgrade OpenSSH in msysGit.

For temporary solution you can take theise files and override ssh.exe etc files in current mingGit installation: http://yadi.sk/d/_FonJdUS2S1YU

This files is taken from latest Cygwin installation. You can make it on your side again, if you afraid to use this archive binaries. Just install fresh Cygwin from cygwin.com and copy over msysGit follow files:

cygasn1-8.dll
cygcom_err-2.dll
cygcrypt-0.dll
cygcrypto-1.0.0.dll
cyggcc_s-1.dll
cyggssapi-3.dll
cygheimbase-1.dll
cygheimntlm-0.dll
cyghx509-5.dll
cygiconv-2.dll
cygintl-8.dll
cygkrb5-26.dll
cygroken-18.dll
cygsqlite3-0.dll
cygssp-0.dll
cygwin1.dll
cygwind-0.dll
cygz.dll
ssh-add.exe
ssh-agent.exe
ssh-keygen.exe
ssh-keyscan.exe
ssh.exe

Confirmed Alexey's answer works and closed my ticket with Atlassian about this issue.


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We experienced slow Stash ssh hosted on Linux. This was caused by Java Issue with random generator and SSL stack.

Solution for Linux was to add following option to start options of Stash:

-Djava.security.egd=file:/dev/./urandom

After adding this option and restarting stash transfer rate increased from less than 1 MB/s to more than 15 MB/s

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Jason Hinch Atlassian Team Jan 06, 2013

Many customers have reported slow push times on windows in Stash 2.x.x. The cause is not running Stash as a local non-administrator user. If you run Stash as a domain user and/or as a administrator windows often will make more file permission checks the repository is being modified on the server. These permission checks can be extremely slow.

This is assuming you are running your Stash server under Windows... Does not help us linux server people.

I am seeing the exact same problem...have a ticket in about it.

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Hi Zachary,

If Jason's suggestions doesn't work, could I ask you to please raise a support issue at https://support.atlassian.com/. Our support engineers will need to have a look at your log files in order to help you with this problem.

Cheers,

Stefan

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Hi

I have installed Atlassian Stash on a Linux VPS client. There is an Apache HTTPD in front of it. I am running Ubuntu 12.04 on the server, I find Stash is really slow. Adding the flag

export JAVA_OPTS=-Djava.security.egd=file:/dev/urandom

Make no difference to the speed.

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I have confirmed that msysGit 1.9.0-preview20140217 causes cloning issues with Stash 2.11.2 and we upgraded to 2.12.1 and still have cloning issues on Windows Server 2008 R2. It pegs the CPU to 100% and fails; a restart of Stash Service is required. When I downgraded back to msysGit 1.8.1.2 cloning worked again.

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