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Compress images using xz instead of gzip (#1018)

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The xz compression allows higher compression rates and higher speeds,
a quick measurement lead to this numbers:
gzip --best: compression 131.11s, decompression 9.797s (299M)
xz -3 (single thread): compression 95.13s, decompression 14.902s (228M)
xz -3 (multi thread): compression 12.146s, decompression 14.902s (228M)
This commit is contained in:
Stefan Agner 2020-11-26 00:29:11 +01:00 committed by GitHub
parent 4be3dee0b4
commit 1a6dcbbf5b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 14 additions and 14 deletions
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2
buildroot-external/board/asus/hassos-hook.sh
View File

@ -21,5 +21,5 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

2
buildroot-external/board/hardkernel/odroid-c2/hassos-hook.sh
View File

@ -22,6 +22,6 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

2
buildroot-external/board/hardkernel/odroid-c4/hassos-hook.sh
View File

@ -19,5 +19,5 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

2
buildroot-external/board/hardkernel/odroid-n2/hassos-hook.sh
View File

@ -19,6 +19,6 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

2
buildroot-external/board/hardkernel/odroid-xu4/hassos-hook.sh
View File

@ -26,5 +26,5 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

2
buildroot-external/board/intel/nuc/hassos-hook.sh
View File

@ -15,6 +15,6 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

8
buildroot-external/board/intel/ova/hassos-hook.sh
View File

@ -22,10 +22,10 @@ function hassos_post_image() {
# Virtual Disk images
convert_disk_image_virtual
convert_disk_image_gz vmdk
convert_disk_image_gz vhdx
convert_disk_image_gz vdi
convert_disk_image_gz qcow2
convert_disk_image_xz vmdk
convert_disk_image_xz vhdx
convert_disk_image_xz vdi
convert_disk_image_xz qcow2
# OVA
mkdir -p "${OVA_DATA}"

2
buildroot-external/board/raspberrypi/hassos-hook.sh
View File

@ -33,6 +33,6 @@ function hassos_pre_image() {
function hassos_post_image() {
convert_disk_image_gz
convert_disk_image_xz
}

6
buildroot-external/scripts/hdd-image.sh
View File

@ -312,10 +312,10 @@ function convert_disk_image_virtual() {
}
function convert_disk_image_gz() {
function convert_disk_image_xz() {
local hdd_ext=${1:-img}
local hdd_img="$(hassos_image_name "${hdd_ext}")"
rm -f "${hdd_img}.gz"
gzip --best "${hdd_img}"
rm -f "${hdd_img}.xz"
xz -3 -T0 "${hdd_img}"
}