From e1355efb657b9104cb3f4041dea903f828387087 Mon Sep 17 00:00:00 2001
From: Claudio-Daniel Freire <claudio-daniel.freire@inria.fr>
Date: Wed, 17 Aug 2011 14:10:48 +0200
Subject: [PATCH] Add nice priority to YumDependency's yum commands. They use
up a good amount of CPU, and on nodes with many slices concurrently running
yum, it could affect running experiments in other slices.
---
src/nepi/testbeds/planetlab/application.py | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/src/nepi/testbeds/planetlab/application.py b/src/nepi/testbeds/planetlab/application.py
index ac609309..b40aecb6 100644
--- a/src/nepi/testbeds/planetlab/application.py
+++ b/src/nepi/testbeds/planetlab/application.py
@@ -956,17 +956,15 @@ class YumDependency(Dependency):
# download rpms and pack into a tar archive
return (
- "sudo -S yum -y makecache && "
+ "sudo -S nice yum -y makecache && "
"sudo -S sed -i -r 's/keepcache *= *0/keepcache=1/' /etc/yum.conf && "
" ( ( "
- "sudo -S yum -y install %s ; "
+ "sudo -S nice yum -y install %s ; "
"rm -f ${BUILD}/packages.tar ; "
- "( tar -C /var/cache/yum -rf ${BUILD}/packages.tar $(find /var/cache/yum -iname '*.rpm')"
- # Try again if it fails, some files sometimes disappear because yum deletes them
- " || ( rm -f ${BUILD}/packages.tar ; tar -C /var/cache/yum -rf ${BUILD}/packages.tar $(find /var/cache/yum -iname '*.rpm') ) )"
+ "tar -C /var/cache/yum -rf ${BUILD}/packages.tar $(cd /var/cache/yum ; find -iname '*.rpm')"
" ) || /bin/true ) && "
"sudo -S sed -i -r 's/keepcache *= *1/keepcache=0/' /etc/yum.conf && "
- "sudo -S yum -y clean packages "
+ "sudo -S nice yum -y clean packages "
) % ( depends, )
def _build_set(self, value):
# ignore
@@ -980,8 +978,8 @@ class YumDependency(Dependency):
# unpack cached rpms into yum cache, install, and cleanup
return (
"tar -k --keep-newer-files -C /var/cache/yum -xf packages.tar && "
- "sudo -S yum -y install %s && "
- "sudo -S yum -y clean packages "
+ "sudo -S nice yum -y install %s && "
+ "sudo -S nice yum -y clean packages "
) % ( depends, )
def _install_set(self, value):
# ignore
--
2.47.0