diff options
Diffstat (limited to 'patches/opnfv-fuel/cross-bootstrap/0006-bootstrap-Use-gzip-instead-of-xz-compression.patch')
| -rw-r--r-- | patches/opnfv-fuel/cross-bootstrap/0006-bootstrap-Use-gzip-instead-of-xz-compression.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/patches/opnfv-fuel/cross-bootstrap/0006-bootstrap-Use-gzip-instead-of-xz-compression.patch b/patches/opnfv-fuel/cross-bootstrap/0006-bootstrap-Use-gzip-instead-of-xz-compression.patch new file mode 100644 index 00000000..ccbd3e1c --- /dev/null +++ b/patches/opnfv-fuel/cross-bootstrap/0006-bootstrap-Use-gzip-instead-of-xz-compression.patch @@ -0,0 +1,52 @@ +From: Alexandru Avadanii <Alexandru.Avadanii@enea.com> +Date: Fri, 10 Jun 2016 22:30:29 +0200 +Subject: [PATCH] bootstrap: Use gzip instead of xz compression. + +bootstrap mksquashfs using qemu-user-static is extremely slow, +taking up to one hour. gzip, on the other hand, is reasonably fast. +According to [1], xz is slower, with not much size gain. + +[1] https://jonathancarter.org/2015/04/06/squashfs-performance-testing/ + +Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com> +--- + .../post-scripts/80_prepare_cross_builds.sh | 19 +++++++++++++++++++ + 1 file changed, 19 insertions(+) + +diff --git a/build/f_isoroot/f_bootstrap/post-scripts/80_prepare_cross_builds.sh b/build/f_isoroot/f_bootstrap/post-scripts/80_prepare_cross_builds.sh +index 12f66e6..3cb22f3 100755 +--- a/build/f_isoroot/f_bootstrap/post-scripts/80_prepare_cross_builds.sh ++++ b/build/f_isoroot/f_bootstrap/post-scripts/80_prepare_cross_builds.sh +@@ -27,6 +27,11 @@ if which dpkg > /dev/null 2>&1; then + exit 1 + fi + ++ # Determine python site-packages directory location ++ PYTHON_SITEPKGS_DIR=$(python -c \ ++ "from distutils.sysconfig import get_python_lib; print(get_python_lib())") ++ [ -d ${PYTHON_SITEPKGS_DIR} ] || exit 1 ++ + # Cross-build timeout adjustments + # + # Since `execute_shell_command` mcagent is used for building the target +@@ -40,6 +45,20 @@ if which dpkg > /dev/null 2>&1; then + # the maximum timeout value for mcagent has to be increased (use 2h). + sed -i.bak -r 's/^(\s+:timeout\s*=>)\s*[[:digit:]]+$/\1 7200/' \ + /usr/libexec/mcollective/mcollective/agent/execute_shell_command.ddl ++ ++ # Bootstrap: Use gzip instead of xz compression. ++ # ++ # bootstrap mksquashfs via `qemu-user-static` is extremely slow, ++ # taking up to one hour. gzip, on the other hand, is reasonably fast. ++ ++ # See the following article for a comparison between gzip and xz ++ # https://jonathancarter.org/2015/04/06/squashfs-performance-testing/ ++ # xz is slower, with very little size gain. ++ if [ -f ${PYTHON_SITEPKGS_DIR}/fuel_bootstrap/consts.py ]; then ++ sed -i.bak -r "s/^(\s+'compress_format'\s*:\s*').*?('.*)$/\1gzip\2/g" \ ++ ${PYTHON_SITEPKGS_DIR}/fuel_bootstrap/consts.py ++ echo "INFO: [xz] => [gzip] updated bootstrap initrd / rootfs compression." ++ fi + fi + fi + |