The keystone apache mpm server settings should be configurable

[Bjoern]

The keystone apache mpm server settings should be configurable in order to tune the MPM thread settings.
This is particular important on high identity volume traffic cluster

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/310922

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/310922
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible-os_keystone/commit/?id=7704d94c7420e8aba451a0f86c58e46eec99ef74
Submitter: Jenkins
Branch: master

commit 7704d94c7420e8aba451a0f86c58e46eec99ef74
Author: Bjoern Teipel <email address hidden>
Date: Thu Apr 28 15:30:56 2016 -0500

    Add support to tune the keystone apache MPM settings

    This fix adds support to tune the apache MPM server settings
    in case more HTTP threads are needed.

    New overrides have been predefined in order to use the Ubuntu
    default settings:

         keystone_httpd_mpm_backend: event
         keystone_httpd_mpm_start_servers: 2
         keystone_httpd_mpm_min_spare_threads: 25
         keystone_httpd_mpm_max_spare_threads: 75
         keystone_httpd_mpm_thread_limit: 64
         keystone_httpd_mpm_thread_child: 25
         keystone_httpd_mpm_max_requests: 150
         keystone_httpd_mpm_max_conn_child: 0

    Change-Id: Ieaad4d2b3c62a5b59e1fa597816ab1b4c2fc3cb1
    Closes-Bug: #1576399

[Thierry Carrez (ttx)]

This issue was fixed in the openstack/openstack-ansible-os_keystone 14.0.0.0b1 development milestone.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/332162

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: liberty
Review: https://review.openstack.org/332165

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/332162
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible-os_keystone/commit/?id=537d8e94a5600c2c2108e140e2cd5682978be0b9
Submitter: Jenkins
Branch: stable/mitaka

commit 537d8e94a5600c2c2108e140e2cd5682978be0b9
Author: Bjoern Teipel <email address hidden>
Date: Thu Apr 28 15:30:56 2016 -0500

    Add support to tune the keystone apache MPM settings

    This fix adds support to tune the apache MPM server settings
    in case more HTTP threads are needed.

    New overrides have been predefined in order to use the Ubuntu
    default settings:

         keystone_httpd_mpm_backend: event
         keystone_httpd_mpm_start_servers: 2
         keystone_httpd_mpm_min_spare_threads: 25
         keystone_httpd_mpm_max_spare_threads: 75
         keystone_httpd_mpm_thread_limit: 64
         keystone_httpd_mpm_thread_child: 25
         keystone_httpd_mpm_max_requests: 150
         keystone_httpd_mpm_max_conn_child: 0

    Change-Id: Ieaad4d2b3c62a5b59e1fa597816ab1b4c2fc3cb1
    Closes-Bug: #1576399
    (cherry picked from commit 7704d94c7420e8aba451a0f86c58e46eec99ef74)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/332165
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible/commit/?id=a4d0ef97d6566d1a90af00e5d9dd49e3c833bc27
Submitter: Jenkins
Branch: liberty

commit a4d0ef97d6566d1a90af00e5d9dd49e3c833bc27
Author: Bjoern Teipel <email address hidden>
Date: Tue Jun 21 09:23:52 2016 -0500

    Add support to tune the keystone apache MPM settings

    This fix adds support to tune the apache MPM server settings
    in case more HTTP threads are needed.

    New overrides have been predefined in order to use the Ubuntu
    default settings:

         keystone_httpd_mpm_backend: event
         keystone_httpd_mpm_start_servers: 2
         keystone_httpd_mpm_min_spare_threads: 25
         keystone_httpd_mpm_max_spare_threads: 75
         keystone_httpd_mpm_thread_limit: 64
         keystone_httpd_mpm_thread_child: 25
         keystone_httpd_mpm_max_requests: 150
         keystone_httpd_mpm_max_conn_child: 0

    Change-Id: Ieaad4d2b3c62a5b59e1fa597816ab1b4c2fc3cb1
    Closes-Bug: #1576399

[Doug Hellmann (doug-hellmann)]

This issue was fixed in the openstack/openstack-ansible 12.0.16 release.

[Davanum Srinivas (DIMS) (dims-v)]

This issue was fixed in the openstack/openstack-ansible-os_keystone 13.2.0 release.