α’ααααααααααΉααα·ααΆααααΆα’αααΈαααααααααΆααααΎαααΆα
α’αααΈαααα αΆααΌαα
ααΆαα½α Docker αα·ααααααααααΆααααααα½ααααα½α
α αΎα
ααααααβαα·ααα
- ααααΎααΆαααΆαα½αααααΌαααΆα ααααα‘αα ααΌα ααααααΆααααααααΌααααααΆα α’αααα αα αΆα αα·αααΆαα―αα I/O ααΆα’αΆα αααααα±ααααααΎααΆαα―αααααααααΉααααααα’ααααΎααααααααααααα·αααα·α
- ααΆαααΆαααααααααΆαααααααααΆαα§ααααΆα αααααα½αααΆαα OCI (αααααααα»αααΊααα) Kubernetes CRI
- ααααΎαααΆαααΆααααΆαααααα»αααΊαααααΈαα»α ααααααΆ αααααΎαααΆαα―ααααααα·αααΆαααααΎαααΆαααΎαααΈ VMs ααααααΆα
- αα»αααααΆαααααααΌαααΆααααα»αααΆαααααΎαααΆααα»αααΊααααα αααα»ααααΆαααΈααα·αααα·ααααααα α ααα»α αααααΆααααΌαα ααααΎα±ααααΆααα½ααααα αΌα αα·αααααΎαααΆαααΆααααα½α
ααΆαααααα
ααΆα
ααααΆααα ααΆαααΆα Kata Containers ααααΌαααΆαααΆααααααααΎαααααααΉα ααΆααααααΌααααααα·αααα·ααα·αααααΎαααΆαααΆαα·α
αα
ααα ααααΌαααΆαααΆαααΆαααα sse4.1 ααΈ processor α
ααΆαααα‘αΎα Kata Containers ααΊααΆααααααΆααα
ααα‘αΎαα§αααααααααΎααααΆαααααααΆααααααΎααΆαααΆαα½αααααΆααα
# yum -y install yum-utils
αα·α Selinux (ααΆααΆααααααααΉαααααΌααααα»αααΆαααααα ααα»αααααααααΆααααΆαααΆαααα αααα»ααα·αααΆ)α
# setenforce 0
# sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
ααΎαααααΆααααααΆαααα·αα’αα»ααααααΆαααα‘αΎα
# source /etc/os-release
# ARCH=$(arch)
# BRANCH="${BRANCH:-stable-1.10}"
# yum-config-manager --add-repo "http://download.opensuse.org/repositories/home:/katacontainers:/releases:/${ARCH}:/${BRANCH}/CentOS_${VERSION_ID}/home:katacontainers:releases:${ARCH}:${BRANCH}.repo"
# yum -y install kata-runtime kata-proxy kata-shim
ααΆααααααααΌα
αααα»αααΉααααα αααΎααααΈααααΎααΆαααΆαα½α docker ααΆαααα‘αΎαααααααΆααΊααααααΆ αααα»αααΉααα·ααααααΆααΆα±αααααα’α·ααααααααααααα
# rpm -qa | grep docker
docker-ce-cli-19.03.6-3.el7.x86_64
docker-ce-19.03.6-3.el7.x86_64
# docker -v
Docker version 19.03.6, build 369ce74a3c
ααΎαααααΎααΆαααααΆααααααΌααα daemon.jsonα
# cat <<EOF > /etc/docker/daemon.json
{
"default-runtime": "kata-runtime",
"runtimes": {
"kata-runtime": {
"path": "/usr/bin/kata-runtime"
}
}
}
EOF
α αΆααααααΎα docker α‘αΎααα·αα
# service docker restart
ααΆααααα½ααα·αα·ααααα»αααΆα
ααααα·αααΎα’αααα αΆααααααΎααα»αααΊααααα»αααΉαα αΆααααααΎα docker α‘αΎααα·α α’αααα’αΆα ααΎαααΆ uname ααΉααααααααααααααααΊαααααααααα»αααααΎαααΆαααΎααααααααααα
# docker run busybox uname -a
Linux 19efd7188d06 3.10.0-1062.12.1.el7.x86_64 #1 SMP Tue Feb 4 23:02:59 UTC 2020 x86_64 GNU/Linux
αααααΆααααΈααΆαα αΆααααααΎαα‘αΎααα·α ααααααΊαααααΎααα ααΌα αααα
# docker run busybox uname -a
Linux 9dd1f30fe9d4 4.19.86-5.container #1 SMP Sat Feb 22 01:53:14 UTC 2020 x86_64 GNU/Linux
αααα»αα αααΎαααα!
# time docker run busybox mount
kataShared on / type 9p (rw,dirsync,nodev,relatime,mmap,access=client,trans=virtio)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev type tmpfs (rw,nosuid,size=65536k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=666)
sysfs on /sys type sysfs (ro,nosuid,nodev,noexec,relatime)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,relatime,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (ro,nosuid,nodev,noexec,relatime,xattr,name=systemd)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (ro,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/blkio type cgroup (ro,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/memory type cgroup (ro,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/devices type cgroup (ro,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/perf_event type cgroup (ro,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (ro,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/freezer type cgroup (ro,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/pids type cgroup (ro,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/cpuset type cgroup (ro,nosuid,nodev,noexec,relatime,cpuset)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k)
kataShared on /etc/resolv.conf type 9p (rw,dirsync,nodev,relatime,mmap,access=client,trans=virtio)
kataShared on /etc/hostname type 9p (rw,dirsync,nodev,relatime,mmap,access=client,trans=virtio)
kataShared on /etc/hosts type 9p (rw,dirsync,nodev,relatime,mmap,access=client,trans=virtio)
proc on /proc/bus type proc (ro,relatime)
proc on /proc/fs type proc (ro,relatime)
proc on /proc/irq type proc (ro,relatime)
proc on /proc/sys type proc (ro,relatime)
tmpfs on /proc/acpi type tmpfs (ro,relatime)
tmpfs on /proc/timer_list type tmpfs (rw,nosuid,size=65536k,mode=755)
tmpfs on /sys/firmware type tmpfs (ro,relatime)
real 0m2.381s
user 0m0.066s
sys 0m0.039s
# time docker run busybox free -m
total used free shared buff/cache available
Mem: 1993 30 1962 0 1 1946
Swap: 0 0 0
real 0m3.297s
user 0m0.086s
sys 0m0.050s
ααΆαααααΎααααααααα»αααΏα
ααΎααααΈααΆααααααααΆαααΆααααααΈαα·αααα·α - αααα»αααααΎαααΆα sysbench ααΆα§ααΆα αααα
αααα
αααα»αααααΎαααΆα sysbench αααααααΎ Docker+containerd
ααΆαααααΎαααααααααΎαααΆα
sysbench 1.0: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Prime numbers limit: 20000
Initializing worker threads...
Threads started!
General statistics:
total time: 36.7335s
total number of events: 10000
total time taken by event execution: 36.7173s
response time:
min: 3.43ms
avg: 3.67ms
max: 8.34ms
approx. 95 percentile: 3.79ms
Threads fairness:
events (avg/stddev): 10000.0000/0.00
execution time (avg/stddev): 36.7173/0.00
ααααα RAM
sysbench 1.0: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Initializing worker threads...
Threads started!
Operations performed: 104857600 (2172673.64 ops/sec)
102400.00 MiB transferred (2121.75 MiB/sec)
General statistics:
total time: 48.2620s
total number of events: 104857600
total time taken by event execution: 17.4161s
response time:
min: 0.00ms
avg: 0.00ms
max: 0.17ms
approx. 95 percentile: 0.00ms
Threads fairness:
events (avg/stddev): 104857600.0000/0.00
execution time (avg/stddev): 17.4161/0.00
αααα»αααααΎαααΆα sysbench αααααααΎ Docker + Kata Containers
ααΆαααααΎαααααααααΎαααΆα
sysbench 1.0: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Prime numbers limit: 20000
Initializing worker threads...
Threads started!
General statistics:
total time: 36.5747s
total number of events: 10000
total time taken by event execution: 36.5594s
response time:
min: 3.43ms
avg: 3.66ms
max: 4.93ms
approx. 95 percentile: 3.77ms
Threads fairness:
events (avg/stddev): 10000.0000/0.00
execution time (avg/stddev): 36.5594/0.00
ααααα RAM
sysbench 1.0: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Initializing worker threads...
Threads started!
Operations performed: 104857600 (2450366.94 ops/sec)
102400.00 MiB transferred (2392.94 MiB/sec)
General statistics:
total time: 42.7926s
total number of events: 104857600
total time taken by event execution: 16.1512s
response time:
min: 0.00ms
avg: 0.00ms
max: 0.43ms
approx. 95 percentile: 0.00ms
Threads fairness:
events (avg/stddev): 104857600.0000/0.00
execution time (avg/stddev): 16.1512/0.00
ααΆαααααΆααα ααααΆαααΆαααΊα αααΆαααα½α α αΎα ααα»ααααααΆααα’αααααΎαααΆααααα»αααΆαααααΎαααΆαααΆαααααΎαααααααΆα αααΎααα αααααα ααααΌααααααα αα·αααααααααΆααααα ααΌα αααααααα»ααα·αααΆααααααΎαααααααααααααααα α‘αΎαααα
ααΆαααααΎα
αααααΈααΆααΆααα·ααααααΆαα»αααΊαααααααααα αααΆααααααΈααααΆααα αααααααΌαααΆαααΎααααΈα αΆααααααΎα (αααααααΆααααΎαααΆαααααααΆαααααΆααααΆααααααααΆααααααααααΆαα αααααααΎαα»αααΊαααααΊαα·α ααΆααα½αααΆαααΈαααα·ααΆααΈ) αα½αααΆαα ααααααΎαααΆααααΆαααΏαααααα·αααΎααΎαα αααΆααααα αΆααααααΎαααΆα αααΆα (αα ααΈααα ααΊααΆα§ααΆα αααααΆαααΎ ααΆααααααααΆαααααΆαα’αα»αααααααα»αααααααααΆαααααααΈαα·ααΆααΈ)α ααΆααΆααααααΎαααΆαα, ααααααααααΆαααααΎααααααα αααααααΈααΈααΌαα·α RAM αααα αΆαααααααααααΎαααααΌα ααααΆ, ααααα·αα’αΆα αααααΆαα α·ααα, ααΆαα·ααααα αααα»ααααααΊααααΆααα·ααααααΆααΆαα―ααααααΌαααΆααααααα±αααααααααΎααααααΆαααααΎαααΆαααα’ααΌα ααΆ kvm α
ααα ααααΈααΌαααααΉα
α’ααααααααααΊααΆααΆααα·αα·αααα‘αΎααα·α ααα»ααααααΆαααααα±ααα’αααααΌαα±ααΆαααΎααααΈααΆαα’αΆααααααααΆααΆααααααααΆααααΎαααΆααααα½αα αααααααΆα αααΎααααααααα·ααΈαα·αααααΌαααΆααααααααααααα α§ααΆα ααα ααα ααααααα·αααααΆα’αααΈαααααααΆααααα»αααΆαααααΎαααΆα Kubernetes αα ααΎααααΌααα Kata Containers α ααΎαααΈαααααα α’αααααα’αΆα ααααΎαααΆαααΆαααααΎαααααααΆαααααααααΆααααααααααααΎααΆαααααααααααα αΆαα»ααααα·ααΆα ααΆααααααααΆαααΉααααααΉα αα·αα’αααΈααααα½αα±ααα αΆααα’αΆααααααααααααααα
αααα»ααα»αα±ααα’αααααΆααα’αααααααΆαα’αΆα αα·ααααααα ααΈααα ααΎααααΈα αΌααα½ααααα»αααΆααααααααα· αααααΆαααααα»αααααααΆαααΆαααα’ααΆααααΎαααααΆααααααααΉαααΉαααα’ααα
ααΆαααα’αααααααΎααααΆαααααααΆαα
α»ααααααααα»ααααααααα’αΆα
α
αΌααα½ααααα»αααΆααααααααα·αααα
ααΎαααα»ααα½αααααααααα»αααα’αααααα’αααΈ Kata Containers αααα¬αα?
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80,0%ααΆα ααααααααααα!28
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20,0%αα αα»αβ¦ α§
α’αααααααΎααααΆαα 35 ααΆααααΆαααααααααα α’αααααααΎααααΆαα α‘α€ ααΆααααααΌαααΆαα αΆαααΆααα
ααααα: www.habr.com