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From f9d883b97b24efaf82e510601a4711bc9c0ea9c7 Mon Sep 17 00:00:00 2001
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From: Christian Heimes <cheimes@redhat.com>
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Date: Thu, 14 Jun 2018 17:04:13 +0200
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Subject: [PATCH] Increase WSGI process count to 5 on 64bit
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Increase the WSGI daemon worker process count from 2 processes to 5
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processes. This allows IPA RPC to handle more parallel requests. The
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additional processes increase memory consumption by approximante 250 MB
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in total.
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Since memory is scarce on 32bit platforms, only 64bit platforms are
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bumped to 5 workers.
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Fixes: https://pagure.io/freeipa/issue/7587
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Signed-off-by: Christian Heimes <cheimes@redhat.com>
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Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
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---
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install/conf/ipa.conf | 2 +-
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ipaplatform/base/constants.py | 5 +++++
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ipaserver/install/httpinstance.py | 1 +
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ipaserver/install/server/upgrade.py | 3 ++-
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4 files changed, 9 insertions(+), 2 deletions(-)
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diff --git a/install/conf/ipa.conf b/install/conf/ipa.conf
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index 696e5aab1aca1875eb711b91351f41987a8379d1..912a63c2240e0681dfbeeac223a902b15b304716 100644
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--- a/install/conf/ipa.conf
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+++ b/install/conf/ipa.conf
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@@ -47,7 +47,7 @@ WSGISocketPrefix /run/httpd/wsgi
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# Configure mod_wsgi handler for /ipa
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-WSGIDaemonProcess ipa processes=2 threads=1 maximum-requests=500 \
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+WSGIDaemonProcess ipa processes=$WSGI_PROCESSES threads=1 maximum-requests=500 \
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user=ipaapi group=ipaapi display-name=%{GROUP} socket-timeout=2147483647 \
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lang=C.UTF-8 locale=C.UTF-8
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WSGIImportScript /usr/share/ipa/wsgi.py process-group=ipa application-group=ipa
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diff --git a/ipaplatform/base/constants.py b/ipaplatform/base/constants.py
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index ca4a12ec017e81b32dc796062608a96ce65a0235..075a3ba774e1286e50258b464bd7687d484f6029 100644
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--- a/ipaplatform/base/constants.py
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+++ b/ipaplatform/base/constants.py
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@@ -5,9 +5,11 @@
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'''
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This base platform module exports platform dependant constants.
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'''
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+import sys
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class BaseConstantsNamespace(object):
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+ IS_64BITS = sys.maxsize > 2 ** 32
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DS_USER = 'dirsrv'
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DS_GROUP = 'dirsrv'
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HTTPD_USER = "apache"
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@@ -42,6 +44,9 @@ class BaseConstantsNamespace(object):
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# WSGI module override, only used on Fedora
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MOD_WSGI_PYTHON2 = None
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MOD_WSGI_PYTHON3 = None
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+ # WSGIDaemonProcess process count. On 64bit platforms, each process
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+ # consumes about 110 MB RSS, from which are about 35 MB shared.
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+ WSGI_PROCESSES = 5 if IS_64BITS else 2
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constants = BaseConstantsNamespace()
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diff --git a/ipaserver/install/httpinstance.py b/ipaserver/install/httpinstance.py
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index 231bffa2c6ec1fd124738649912e4bd958e802b7..3764870ee77f2ba0da18ec004664e6f66c13bba1 100644
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--- a/ipaserver/install/httpinstance.py
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+++ b/ipaserver/install/httpinstance.py
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@@ -148,6 +148,7 @@ class HTTPInstance(service.Service):
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DOMAIN=self.domain,
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AUTOREDIR='' if auto_redirect else '#',
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CRL_PUBLISH_PATH=paths.PKI_CA_PUBLISH_DIR,
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+ WSGI_PROCESSES=constants.WSGI_PROCESSES,
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)
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self.ca_file = ca_file
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if ca_is_configured is not None:
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diff --git a/ipaserver/install/server/upgrade.py b/ipaserver/install/server/upgrade.py
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index ab09b98406df251f769c4747c9250075ab610362..ee3cedd78a2f45f33665bf562e9426cf68325544 100644
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--- a/ipaserver/install/server/upgrade.py
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+++ b/ipaserver/install/server/upgrade.py
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@@ -1681,7 +1681,8 @@ def upgrade_configuration():
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AUTOREDIR='' if auto_redirect else '#',
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CRL_PUBLISH_PATH=paths.PKI_CA_PUBLISH_DIR,
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DOGTAG_PORT=8009,
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- CLONE='#'
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+ CLONE='#',
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+ WSGI_PROCESSES=constants.WSGI_PROCESSES,
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)
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subject_base = find_subject_base()
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--
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2.14.4
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