ืืขืจ ืึทืจืืืงื ืืืขื ืืืกืงืืืืจื ืืื ืขืก ืึทืจืืขื , ืืื ืขืก ืืืขื ืืืื ืืืื ืึท ืคึผืจืึทืงืืืฉ ืืืื ืืื ืืืืขืจ ืงืฉืจ ืฆื ืืึธืงืขืจ.
ืืืขืื ืคึผืจืึธืกื ืคึผืจืึธืืืขืืก ืืื ืืึธืงืขืจ ืืื ืืืืขืจ ืกืึทืืืฉืึทื ื ืฉืืื , ืืืึทื ื ืืื ืืืขื ืืขืงืืฆืขืจ ืืึทืฉืจืืึทืื ืื ืืืคึผืืึทืืขื ืืืืฉืึทื ืคืื ืงืึทืืึท ืงืึทื ืืืื ืขืจื. ืงืึทืืึท ืงืึทื ืืืื ืขืจื ืืื ืึท ืืืืขืจ ืงืึทื ืืืื ืขืจ ืจืื ืืืืข ืืืืืจื ืืืืฃ ืืืืืืืืื ืืืืจืืืึทื ืืืฉืื ืขื. ืืจืืขืื ืืื ืืื ืืื ืื ืืขืืืข ืืื ืืื ืื ืืขืจืข ืงืึทื ืืืื ืขืจื, ืึธืืขืจ ืืื ืึทืืืฉืึทื ืขืก ืืื ืึท ืืขืจ ืคืึทืจืืึธืืืขื ืืคืืขืืื ืืขืจืืงืืื ื ืืฆื ืืึทืื ืืืึทืจื ืืืืจืืืึทืืืืึทืืืึธื ืืขืื ืึธืืึธืืืข. ืื ืคึผืจืืืขืงื ืืึธื ืืื ืึธื ืืขืืืืื ืืื 2017, ืืืขื ืื ืืขืืืื ืืข ืืื ืืขื ืืขืืื ื ืึธืืขื ืืึธื ืืขืขื ืืืงื ืื ืฆืื ืืืคืืืกื ืคืื ืื ืืขืกืืขืจ ืืืืขืขืก ืคึฟืื Intel Clear Containers ืืื Hyper.sh RunV, ื ืึธื ืืืึธืก ืื ืึทืจืืขื ืืื ืคืืจืืืืื ืืืืฃ ืฉืืืฆื ืคึฟืึทืจ ืคืึทืจืฉืืื ืึทืจืงืึทืืขืงืืฉืขืจื, ืึทืจืืึทื ืืขืจืขืื ื AMD64, ARM, IBM p- ืืื z -ืกืขืจืืข. ืึทืืืืืืึธื ืึทืืื, ืึทืจืืขื ืื ืื ืืืืคึผืขืจืืืืืืขืจื QEMU, Firecracker ืืื ืืขืฉืืืฆื, ืืื ืขืก ืืื ืืืื ืื ืืึทืืจืืืฉืึทื ืืื ืงืึทื ืืืื ืขืจื. ืืขืจ ืงืึธื ืืื ืื ืืืฆื ืืื ืืื ืืขืจ ืื MIT ืืขืจืืืืืขื ืืฉ.
ืฉืืืกื ืคึฟืขืึดืงืืืื
- ืืจืืขืื ืืื ืึท ืืึทืืื ืืขืจ ืืึทืจืฅ, ืึทืืื ืคึผืจืึทืืืืืืื ื ื ืขืฅ, ืืึผืจืื ืืื ืืื / ืึธ ืืคืืขืืื ืืขืจืืงืืื, ืขืก ืืื ืืขืืืขื ืฆื ืฆืืืื ืืขื ืื ื ืืฆื ืคืื ืืึทืื ืืืึทืจื ืืคืืขืืื ืืขืจืืงืืื ืืืืืจื ืืืืฃ ืืืืจืืืึทืืืืึทืืืึธื ืืงืกืืขื ืฉืึทื ื
- ืกืืคึผืคึผืึธืจื ืคึฟืึทืจ ืื ืืึทืกืืจื ืกืืึทื ืืึทืจืืก ืึทืจืืึทื ืืขืจืขืื ื OCI (container ืคึฟืึธืจืืึทื), Kubernetes CRI
- ืงืึธื ืกืืกืืขื ื ืคืึธืจืฉืืขืืื ื ืคืื ืจืขืืืืขืจ ืืื ืืงืก ืงืึทื ืืืื ืขืจื, ืืขืืืืงืกื ืืคืืขืืื ืืขืจืืงืืื ืึธื ืื ืคืึธืจืฉืืขืืื ื ืึธืืืืขืจืืขื ืคืื ืจืขืืืืขืจ VMs
- ืขืืืืื ืืจื ืื ื ืืื ืฆื ืืืืคื ืงืึทื ืืืื ืขืจื ืืื ืคืื-ืคืืขืืืฉื ืืืืจืืืึทื ืืืฉืื ืขื, ืืืฉืึทื ืขืจืืง ืื ืืขืจืคืืืกืื ืคืึทืจืคึผืึธืฉืขืืขืจื ืื ืึทืืจืืืฉืึทื ืืื ืงืึทืืขืจ
ืื ืกืืึทืืืจืื ื
ืขืก ืื ืคืึทืจืึทื ืืึทื ืืึธื ืืืจืื ื ืึธืคึผืฆืืขืก, ืืื ืืืขื ืืึทืืจืึทืืื ืื ืกืืึธืืื ื ืคึฟืื ืื ืจืืคึผืึทืืึทืืึธืจืื ืืืืืจื ืืืืฃ ืื Centos 7 ืึธืคึผืขืจืืืืื ื ืกืืกืืขื.
ืขืก ืก ืืืืืืืง: ืงืึทืืึท ืงืึทื ืืืื ืขืจื ืึทืจืืขื ืืื ืืขืฉืืืฆื ืืืืื ืืืืฃ ืืึทืื ืืืึทืจื, ืืืืจืืืึทืืืืึทืืืึธื ืคืึธืจืืืขืจืืื ื ืืื ื ืืฉื ืฉืืขื ืืืง ืึทืจืืขื ืืึทืจืคึฟื sse4.1 ืฉืืืฆื ืคืื ืื ืคึผืจืึทืกืขืกืขืจ.
ืื ืกืืึธืืื ื ืงืึทืืึท ืงืึทื ืืืื ืขืจื ืืื ืืึทื ืฅ ืคึผืฉืื:
ืื ืกืืึทืืืจื ืืืืืืึทืืื ืคึฟืึทืจ ืืจืืขืื ืืื ืจืืคึผืึทืืึทืืึธืจืื:
# yum -y install yum-utilsืืืกืืืืึทื ืกืขืืื ืืงืก (ืขืก ืืื ืืขืจ ืจืืืืืง ืฆื ืงืึทื ืคืืืืขืจ, ืึธืืขืจ ืคึฟืึทืจ ืคึผืึทืฉืืขืก ืืื ืืืกืืืืึทื ืขืก):
# setenforce 0
# sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/configืืืจ ืคืึทืจืืื ืื ืื ืจืืคึผืึทืืึทืืึธืจื ืืื ืืืจืืคืืจื ืื ืื ืกืืึทืืืจืื ื
# source /etc/os-release
# ARCH=$(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-shimCustomize
ืืื ืืืขื ืฉืืขืื ืืื ืฆื ืึทืจืืขืื ืืื ืืึธืงืขืจ, ืื ืื ืกืืึทืืืจืื ื ืืื ืืืคึผืืฉ, ืืื ืืืขื ื ืืฉื ืืึทืฉืจืืึทืื ืขืก ืืื ืืขืจ ืืขืืึทื:
# 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 369ce74a3cืืืจ ืืึทืื ืขื ืืขืจืื ืืขื ืฆื daemon.json:
# cat <<EOF > /etc/docker/daemon.json
{
"default-runtime": "kata-runtime",
"runtimes": {
"kata-runtime": {
"path": "/usr/bin/kata-runtime"
}
}
}
EOFืจืืกืืึทืจื ืืึธืงืงืขืจ:
# service docker restartืคืึทื ืืงืฉืึทื ืึทื ืงืึธื ืืจืึธื
ืืืื ืืืจ ืึธื ืืืื ืืขื ืงืึทื ืืืื ืขืจ ืืืืืขืจ ืืืจ ืจืืกืืึทืจื ืื ืืึธืงืงืขืจ, ืืืจ ืงืขื ืขื ืืขื ืึทื ืื ืึทืืข ืืืขื ืืขืื ืื ืืืขืจืกืืข ืคืื โโโโืื ืงืขืจื ืคืืืกื ืืืง ืืืืฃ ืื ืืืืคึผื ืกืืกืืขื:
# 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/Linuxื ืึธื ืึท ืจืืกืืึทืจื, ืื ืงืขืจื ืืืขืจืกืืข ืงืืงื ืืื ืืึธืก:
# 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/Linuxืืขืจ ืืืื!
# 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 0m0.050sืฉื ืขื ืืึทืกืข ืืขืกืืื ื
ืฆื ืึทืกืกืขืกืก ืื ืืึธืกืกืขืก ืคืื ืืืืจืืืึทืืืืึทืืืึธื - ืืื ืืืืคื ืกืืกืืขื ืืฉ, ืืื ืื ืืืืคึผื ืืืืฉืคืืื .
ืคืืืกื ืืืง ืกืืกืืขื ืืฉ ื ืืฆื Docker + container
ืคึผืจืึทืกืขืกืขืจ ืคึผืจืืืืจื
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): 36.7173/0.00ืืึทืจืึทื ืคึผืจืืืืจื
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): 17.4161/0.00ืคืืืกื ืืืง ืกืืกืืขื ืืฉ ื ืืฆื Docker + Kata ืงืึทื ืืืื ืขืจื
ืคึผืจืึทืกืขืกืขืจ ืคึผืจืืืืจื
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): 36.5594/0.00ืืึทืจืึทื ืคึผืจืืืืจื
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): 16.1512/0.00ืืื ืคึผืจืื ืฆืืคึผ, ืื ืกืืืืึทืฆืืข ืืื ืฉืืื ืงืืึธืจ, ืึธืืขืจ ืขืก ืืื ืืขืจ ืึธืคึผืืืืึทื ืฆื ืืืืคื ืื ืืขืกืฅ ืขืืืขืืข ืืึธื, ืจืืืืืืื ื ืึทืืืืืืขืจื ืืื ืึทืืืจืืืืฉืื ื ืื ืจืขืืืืืึทืื, ืึทืืื ืืื ืืึธื ื ืื ืืึธื ืืขืจ ืืขืกืฅ ื ืึธื.
ืคืืื ืืื ืื
ืืจืึธืฅ ืืขื ืคืึทืงื ืึทื ืึทืืึท ืงืึทื ืืืื ืขืจื ื ืขืืขื ืืืขืื ืคืื ืฃ ืฆื ืฆืขื ืืื ืืขืจ ืฆื ืึธื ืืืืื (ืื ืืืคึผืืฉ ืืืืคื ืฆืืื ืคึฟืึทืจ ืขื ืืขื ืงืึทืืึทื ืื ืืื ืืืืื ืืงืขืจ ืืื ืึท ืืจืื ืคืื ืึท ืกืขืงืื ืืข), ืืื ื ืึธื ืึทืจืืขื ืืึทื ืฅ ืืขืฉืืืื ื ืืืื ืืืจ ื ืขืืขื ืื ืึทืืกืึธืืื ืึธื ืืืื ืฆืืื (ืืึธืจื) ืืขื ืขื ืืืืฉืคืืื ืืืืื, ืงืึทืืึทื ืื ืืขืืื ืืื ืึท ืืืจืืฉื ืืืืขื ืคืื ืืจืื ืกืขืงืื ืืขืก). ื ื, ืื ืจืขืืืืืึทืื ืคืื ืึท ืฉื ืขื ืคึผืจืึธืืข ืคืื โโืงืคึผื ืืื ืืึทืจืึทื ืืืืึทืื ืึผืืขื ืื ืืขืืืข ืจืขืืืืืึทืื, ืืืึธืก ืงืขื ืขื ื ืื ื ืึธืจ ืคืจืืืขื, ืกืคึผืขืฆืืขื ืืื ืืืื ืคืื ืื ืคืึทืงื ืึทื ืืคืืขืืื ืืขืจืืงืืื ืืื ืฆืืืขืฉืืขืื ืืื ืึทืืึท ืึท ืืขืืื ื-ืืืืคื ืืขืงืึทื ืืืึทื ืืื ืงืืื.
ืืขืืื
ืืขืจ ืึทืจืืืงื ืืื ืึท ืจืขืฆืขื ืืืข, ืึธืืขืจ ืขืก ืืื ืืืจ ืื ืืขืืขืื ืืืื ืฆื ืคืืื ืื ืึธืืืขืจื ืึทืืืื ืจืื ืืืืข. ืคืืืข ืึทืคึผืืึทืงืืืฉืึทื ื ืืขื ืขื ื ืืฉื ืืืืขืงื, ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืื ืคึผืืึทืฅ ืืืฉืจืืืื ืื ืคืืืืงืืื ืฆื ืืืืคื Kubernetes ืืืืฃ ืฉืคึผืืฅ ืคืื ืงืึทืืึท ืงืึทื ืืืื ืขืจื. ืืขืจืฆื, ืืืจ ืงืขื ืขื ืืืื ืืืืคื ืึท ืกืขืจืืข ืคืื โโืืขืกืฅ ืคืึธืืงืืกื ืืืืฃ ืืขืจืืืืื ื ืืืืขืจืืืื ืคึผืจืึธืืืขืืก, ืืึทืฉืืขืืืงื ืจืืกืืจืืงืฉืึทื ื ืืื ืื ืืขืจืข ืืฉืืงืึทืืืข ืืื ืื.
ืืื ืืขื ืึทืืข ืื, ืืืึธืก ืืึธืื ืืึธ ืืขืืืืขื ื ืืื ืืืืขืจืืขืืืจื, ืืื ืืึธืื ืืื ืืึทืืืืืืงื ืืื ืืขืจ ืึทื ืงืขืืข, ืืืืฃ ืืืขืืื ืื ืฆืืงืื ืคึฟืืืงืข ืืืืกืืึทืืขืก ืืืืฃ ืืขืจ ืืขืืข ืืืขืื ืึธืคืขื ืืขื.
ืืืืื ืจืขืืืกืืจืืจื ื ืืฆืขืจืก ืงืขื ืขื ืึธื ืืืื ื ืขืืขื ืืื ืื ืืืขืจืืืืง. ืืืืข.
ืืึธื ืืื ืคืึธืจืืขืฆื ืฆื ืึทืจืืืกืืขืื ืึทืจืืืงืืขื ืืืขืื ืงืึทืืึท ืงืึทื ืืืื ืขืจื?
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ืงืกื ืืืงืก%ืื, ืฉืจืืื ืืขืจ!28
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ืงืกื ืืืงืก%ื ืืื, ืืึธื ื ืื ... 7
35 ืืื ืืฆืขืจ ืืืื ืืขืฉืืืื. 7 ืืื ืืฆืขืจ ืืืื ืืื ืืคืืขืืืืื.
ืืงืืจ: www.habr.com