Hi Vincent, could you share a sample of the playbook you're running as well as the results of running it with -f1, -f2 and -f4? That should determine if the playbook is indeed being serialized at some point.
Do note, however, if you're doing something like this: - local_action: ec2 ... with_items: - ... - ... - ... you will see serialized performance. This is caused by the fact that each pass through with_* loops must complete on all hosts before the next loop begins, and with local_action you'd only be executing on a single host (localhost), so this would constrain the playbook to a serial-like performance. Thanks! On Mon, Sep 29, 2014 at 9:44 AM, Vincent Janelle <randomfreque...@gmail.com> wrote: > Not sure how I'd send you a copy of /dev/null, unless ansible is > attempting to parse the contents of ~/.ssh/known_hosts outside of ssh. > > On Monday, 29 September 2014 07:39:20 UTC-7, Michael DeHaan wrote: >> >> Any chance I can get a copy of your known_hosts file? >> >> Off list would be preferred. >> >> I'm not sure that's it, but I suspect it could be. >> >> >> >> On Mon, Sep 29, 2014 at 10:35 AM, Vincent Janelle <randomf...@gmail.com> >> wrote: >> >>> Just an update at Michael's request - seeing the exact same situations, >>> with ec2. >>> >>> Setting this environment variable fixes this. >>> >>> On Thursday, 12 September 2013 15:34:33 UTC-7, Michael Blakeley wrote: >>>> >>>> On Thursday, September 12, 2013 3:21:23 PM UTC-7, James Cammarata wrote: >>>>> >>>>> I believe the initial iteration through the hosts is single-threaded, >>>>> as that occurs before the forks are created, however can you demonstrate >>>>> that your configuration is causing single-threaded behavior after the >>>>> forks >>>>> are running? >>>>> >>>> >>>> Yes, I think so. I observe single-threading for every command >>>> throughout long playbooks. Setting ANSIBLE_HOST_KEY_CHECKING=no resolves >>>> that. >>>> >>>> Does the output from this single command help? >>>> >>>> $ ansible -i ec2.py tag_Name_test -f 9 -a date >>>> ec2-54-200-43-114.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:33 UTC 2013 >>>> ec2-54-200-40-223.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:35 UTC 2013 >>>> ec2-54-200-33-219.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:36 UTC 2013 >>>> ec2-54-200-40-249.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:38 UTC 2013 >>>> ec2-54-200-43-44.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:40 UTC 2013 >>>> ec2-54-200-43-42.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:42 UTC 2013 >>>> ec2-54-200-40-224.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:41 UTC 2013 >>>> ec2-54-200-42-181.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:43 UTC 2013 >>>> ec2-54-200-42-164.us-west-2.compute.amazonaws.com | success | rc=0 >> >>>> Thu Sep 12 21:23:44 UTC 2013 >>>> >>>> With ANSIBLE_HOST_KEY_CHECKING=no, the results return much more quickly >>>> and all nine hosts display the same time (within 1-2 sec anyway). >>>> >>> -- >>> 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 ansible-proje...@googlegroups.com. >>> To post to this group, send email to ansible...@googlegroups.com. >>> To view this discussion on the web visit https://groups.google.com/d/ >>> msgid/ansible-project/a828f04b-369e-4b75-acb2- >>> 522903aadbe0%40googlegroups.com >>> <https://groups.google.com/d/msgid/ansible-project/a828f04b-369e-4b75-acb2-522903aadbe0%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > 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 ansible-project+unsubscr...@googlegroups.com. > To post to this group, send email to ansible-project@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ansible-project/feb40220-6a8b-4813-826d-5447e9f1b3a8%40googlegroups.com > <https://groups.google.com/d/msgid/ansible-project/feb40220-6a8b-4813-826d-5447e9f1b3a8%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- 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 ansible-project+unsubscr...@googlegroups.com. To post to this group, send email to ansible-project@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/CAMFyvFiYHSn8GF_kMNx6ea70z7RV%2ByRoGQd%2B8M-%2BSZ0AMC4%3DSQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.