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From 6110a949aee9c98ab077c9cd907881ad82be5f45 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 01bf9a4f97fc0cf197c0ad12743affa597b54911..34ced2ab9d91ae174a42a580e1c4f9436c1a8c3b 100644
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--- a/install/conf/ipa.conf
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+++ b/install/conf/ipa.conf
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@@ -51,7 +51,7 @@ 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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WSGIImportScript /usr/share/ipa/wsgi.py process-group=ipa application-group=ipa
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WSGIScriptAlias /ipa /usr/share/ipa/wsgi.py
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diff --git a/ipaplatform/base/constants.py b/ipaplatform/base/constants.py
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index dccb0e7191cb0d9644eb286b9ec061599afa3980..db250d9a40466e852453e7309c704a6897c6bcf8 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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@@ -28,3 +30,6 @@ class BaseConstantsNamespace(object):
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# nfsd init variable used to enable kerberized NFS
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SECURE_NFS_VAR = "SECURE_NFS"
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SSSD_USER = "sssd"
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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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diff --git a/ipaserver/install/httpinstance.py b/ipaserver/install/httpinstance.py
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index e68bfc09b34e087dfb4872b6565b06c6c2188384..7081c7418e76afbd1b4ae28deafefb6b264c62f0 100644
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--- a/ipaserver/install/httpinstance.py
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+++ b/ipaserver/install/httpinstance.py
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@@ -152,6 +152,7 @@ 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 793092be86da687fd21cf2c0ef3608f32fcf9f16..667b9d214ce76031b5d0f205e03ddb46178e9b2f 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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@@ -1615,7 +1615,8 @@ 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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2.17.1
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