976ba92e3b
- kind 0.22.0 -> 0.27.0 - test with k8s 1.32.2 instead of 1.29.2 to ensure compatibility with latest k8s release - default helm version 3.14.4 -> 3.16.4 - chart releaser 1.6.0 -> 1.7.0 - ubuntu 22.04 -> 24.04 - chart testing 3.11.0 -> 3.12.0 - yamllint 1.33.0 -> 1.35.1 - yamale 4.0.4 -> 6.0.0
97 lines
4.7 KiB
YAML
97 lines
4.7 KiB
YAML
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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name: Tune Runner VM performance
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description: tunes the GitHub Runner VM operation system
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runs:
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using: composite
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steps:
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- run: |
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if [[ "$OSTYPE" == "linux-gnu"* ]]; then
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echo "::group::Configure and tune OS"
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# Ensure that reverse lookups for current hostname are handled properly
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# Add the current IP address, long hostname and short hostname record to /etc/hosts file
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echo -e "$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)\t$(hostname -f) $(hostname -s)" | sudo tee -a /etc/hosts
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# The default vm.swappiness setting is 60 which has a tendency to start swapping when memory
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# consumption is high.
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# Set vm.swappiness=1 to avoid swapping and allow high RAM usage
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echo 1 | sudo tee /proc/sys/vm/swappiness
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(
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shopt -s nullglob
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# Set swappiness to 1 for all cgroups and sub-groups
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for swappiness_file in /sys/fs/cgroup/memory/*/memory.swappiness /sys/fs/cgroup/memory/*/*/memory.swappiness; do
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echo 1 | sudo tee $swappiness_file > /dev/null
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done
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) || true
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# use "madvise" Linux Transparent HugePages (THP) setting
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# https://www.kernel.org/doc/html/latest/admin-guide/mm/transhuge.html
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# "madvise" is generally a better option than the default "always" setting
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# Based on Azul instructions from https://docs.azul.com/prime/Enable-Huge-Pages#transparent-huge-pages-thp
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echo madvise | sudo tee /sys/kernel/mm/transparent_hugepage/enabled
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echo advise | sudo tee /sys/kernel/mm/transparent_hugepage/shmem_enabled
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echo defer+madvise | sudo tee /sys/kernel/mm/transparent_hugepage/defrag
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echo 1 | sudo tee /sys/kernel/mm/transparent_hugepage/khugepaged/defrag
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# tune filesystem mount options, https://www.kernel.org/doc/Documentation/filesystems/ext4.txt
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# commit=999999, effectively disables automatic syncing to disk (default is every 5 seconds)
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# nobarrier/barrier=0, loosen data consistency on system crash (no negative impact to empheral CI nodes)
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sudo mount -o remount,nodiscard,commit=999999,barrier=0 / || true
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sudo mount -o remount,nodiscard,commit=999999,barrier=0 /mnt || true
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# disable discard/trim at device level since remount with nodiscard doesn't seem to be effective
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# https://www.spinics.net/lists/linux-ide/msg52562.html
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for i in /sys/block/sd*/queue/discard_max_bytes; do
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echo 0 | sudo tee $i
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done
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# disable any background jobs that run SSD discard/trim
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sudo systemctl disable fstrim.timer || true
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sudo systemctl stop fstrim.timer || true
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sudo systemctl disable fstrim.service || true
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sudo systemctl stop fstrim.service || true
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# stop php-fpm
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sudo systemctl stop php8.0-fpm.service || true
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sudo systemctl stop php7.4-fpm.service || true
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# stop mono-xsp4
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sudo systemctl disable mono-xsp4.service || true
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sudo systemctl stop mono-xsp4.service || true
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sudo killall mono || true
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# stop Azure Linux agent to save RAM
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sudo systemctl stop walinuxagent.service || true
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echo '::endgroup::'
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# show memory
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echo "::group::Available Memory"
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free -m
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echo '::endgroup::'
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# show disk
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echo "::group::Available diskspace"
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df -BM
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echo "::endgroup::"
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# show cggroup
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echo "::group::Cgroup settings for current cgroup $CURRENT_CGGROUP"
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CURRENT_CGGROUP=$(cat /proc/self/cgroup | grep '0::' | awk -F: '{ print $3 }')
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sudo cgget -a $CURRENT_CGGROUP || true
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echo '::endgroup::'
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fi
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shell: bash
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