1.5 releases in a few weeks. Strangely this doesn't slow everyone down and it's very curious you'd see this, but you don't have to wait long.
On Tue, Feb 25, 2014 at 11:31 AM, Stefano Debenedetti < [email protected]> wrote: > Sorry to reply to myself but in case anyone is interested I just noticed > that the ssh slowdown has been fixed on the day after my mail by a commit > very appropriately commented as "Fix slow ssh": > > > https://github.com/ansible/ansible/commit/75b7a1d9c7f088a9ec5a43e618139f6276cf6a4a > > Unfortunately the commit hasn't made it to any released version yet. > > Thanks lberruti for the fix, it does solve the issue here. > > ciao > ste > > > Il giorno martedì 4 febbraio 2014 15:49:23 UTC+1, Stefano Debenedetti ha > scritto: > >> Hi, >> >> today I upgraded from Ansible 1.3.4 to 1.4.4 and noticed a major slowdown >> in my playbooks using ssh between virtual machines on the same VirtualBox >> host. >> >> Here's a simple test with ping showing what I mean: >> >> root@ansible:~/test/deploy# ansible --version >> ansible 1.3.4 >> >> root@ansible:~/test/deploy# time ansible -i test -m ping test-host-2 -c >> ssh -vvvv >> <test-host-2> ESTABLISH CONNECTION FOR USER: root >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c 'mkdir -p >> $HOME/.ansible/tmp/ansible-1391890971.81-192496444342081 >> && echo $HOME/.ansible/tmp/ansible-1391890971.81-192496444342081'"] >> <test-host-2> REMOTE_MODULE ping >> <test-host-2> PUT /tmp/tmpDzkccX TO /root/.ansible/tmp/ansible- >> 1391890971.81-192496444342081/ping >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible- >> 1391890971.81-192496444342081/ping; rm -rf >> /root/.ansible/tmp/ansible-1391890971.81-192496444342081/ >> >/dev/null 2>&1'"] >> test-host-2 | success >> { >> "changed": false, >> "ping": "pong" >> } >> >> >> real 0m0.392s >> user 0m0.124s >> sys 0m0.032s >> >> >> root@ansible:~/test/deploy# ansible --version >> ansible 1.4.4 >> >> root@ansible:~/test/deploy# time ansible -i test -m ping test-host-2 -c >> ssh -vvvv >> <test-host-2> ESTABLISH CONNECTION FOR USER: root >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c 'mkdir -p >> $HOME/.ansible/tmp/ansible-1391890986.05-221773170470374 >> && echo $HOME/.ansible/tmp/ansible-1391890986.05-221773170470374'"] >> <test-host-2> REMOTE_MODULE ping >> <test-host-2> PUT /tmp/tmptXIMKK TO /root/.ansible/tmp/ansible- >> 1391890986.05-221773170470374/ping >> <test-host-2> PUT /tmp/tmpjViJP5 TO /root/.ansible/tmp/ansible- >> 1391890986.05-221773170470374/arguments >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible- >> 1391890986.05-221773170470374/ping /root/.ansible/tmp/ansible- >> 1391890986.05-221773170470374/arguments; rm -rf >> /root/.ansible/tmp/ansible-1391890986.05-221773170470374/ >/dev/null >> 2>&1'"] >> test-host-2 | success >> { >> "changed": false, >> "ping": "pong" >> } >> >> >> real 0m2.412s >> user 0m0.148s >> sys 0m0.036s >> >> >> >> >> >> I tried the same test with the current github HEAD and in the best case >> it's still much slower than 1.3.4: >> >> >> root@ansible:~/test/deploy# ansible --version >> ansible 1.5 (devel 2267503c53) last updated 2014/02/04 14:20:20 (GMT +200) >> >> >> # new SSH plugin >> >> >> root@ansible:~/test/deploy# time ansible -i test -m ping test-host-2 -c >> ssh -vvvv >> <test-host-2> ESTABLISH CONNECTION FOR USER: root >> <test-host-2> REMOTE_MODULE ping >> <test-host-2> EXEC ['ssh', '-C', '-tt', '-vvv', '-o', >> 'ControlMaster=auto', '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', '-o', >> 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c 'mkdir -p $HOME/.ansible/tmp/ansible- >> tmp-1391891219.83-137866337554858 && echo $HOME/.ansible/tmp/ansible- >> tmp-1391891219.83-137866337554858'"] >> >> >> <test-host-2> PUT /tmp/tmpu_xAge TO /root/.ansible/tmp/ansible- >> tmp-1391891219.83-137866337554858/ping >> <test-host-2> EXEC ['ssh', '-C', '-tt', '-vvv', '-o', >> 'ControlMaster=auto', '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', '-o', >> 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible- >> tmp-1391891219.83-137866337554858/ping; rm -rf >> /root/.ansible/tmp/ansible-tmp-1391891219.83-137866337554858/ >/dev/null >> 2>&1'"] >> >> test-host-2 | success >> { >> "changed": false, >> "ping": "pong" >> } >> >> >> real 0m2.556s >> user 0m0.160s >> sys 0m0.048s >> >> >> >> # old SSH plugin >> >> >> root@ansible:~/test/deploy# time ansible -i test -m ping test-host-2 -c >> ssh_old -vvvv >> <test-host-2> ESTABLISH CONNECTION FOR USER: root >> <test-host-2> REMOTE_MODULE ping >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c 'mkdir -p $HOME/.ansible/tmp/ansible- >> tmp-1391891284.37-266812075342423 && echo $HOME/.ansible/tmp/ansible- >> tmp-1391891284.37-266812075342423'"] >> <test-host-2> PUT /tmp/tmpAmk9Z_ TO /root/.ansible/tmp/ansible- >> tmp-1391891284.37-266812075342423/ping >> <test-host-2> EXEC ['ssh', '-tt', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', "/bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible- >> tmp-1391891284.37-266812075342423/ping; rm -rf >> /root/.ansible/tmp/ansible-tmp-1391891284.37-266812075342423/ >/dev/null >> 2>&1'"] >> test-host-2 | success >> { >> "changed": false, >> "ping": "pong" >> } >> >> >> real 0m2.386s >> user 0m0.152s >> sys 0m0.020s >> >> >> # new SSH plugin with pipelining=True >> >> >> root@ansible:~/test/deploy# time ansible -i test -m ping test-host-2 -c >> ssh -vvvv >> <test-host-2> ESTABLISH CONNECTION FOR USER: root >> <test-host-2> REMOTE_MODULE ping >> <test-host-2> EXEC ['ssh', '-C', '-vvv', '-o', 'ControlMaster=auto', >> '-o', 'ControlPersist=60s', '-o', >> 'ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r', >> '-o', 'Port=40033', '-o', 'KbdInteractiveAuthentication=no', '-o', >> 'PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey', >> '-o', 'PasswordAuthentication=no', '-o', 'ConnectTimeout=10', >> 'test-host-2', '/bin/sh -c /usr/bin/python'] >> test-host-2 | success >> { >> "changed": false, >> "ping": "pong" >> } >> >> >> real 0m1.412s >> user 0m0.132s >> sys 0m0.044s >> >> >> Is this major slowdown after 1.3.4 expected? >> >> thanks ciao >> ste >> >> >> >> >> >> -- > You received this message because you are subscribed to the Google Groups > "Ansible Project" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ansible-project/a59fb565-c273-4c19-a080-96aea93bd59d%40googlegroups.com > . > > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Ansible Project" group. 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