---> uname -a: Linux ebcaca03c76b 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.396 BogoMIPS: 5866.79 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 8.3G 41.7G 17% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 8.3G 41.7G 17% /etc/resolv.conf /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hostname /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hosts /dev/vda1 50.0G 8.3G 41.7G 17% /var/log/sa /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/i-build-images_snapcraft-builder /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/i-build-images_snapcraft-builder@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 731 132 0 973 1023 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 16: eth0@if17: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/11/20 _x86_64_ (4 CPU) 21:58:11 LINUX RESTART 21:59:01 tps rtps wtps bread/s bwrtn/s 22:00:02 65.61 6.46 59.15 3690.15 5056.82 22:01:01 2.57 0.05 2.52 0.68 1593.80 22:02:01 1.61 0.08 1.53 1.60 1033.24 22:03:01 76.16 5.68 70.48 336.67 17222.91 22:04:01 21.82 1.47 20.35 100.07 4971.50 22:05:01 17.54 0.55 16.99 20.10 3065.83 22:06:01 259.91 40.36 219.55 4445.15 19576.62 22:07:01 615.10 475.49 139.61 22489.66 25279.93 22:08:01 455.17 357.63 97.54 23986.55 17156.72 22:09:01 548.80 547.99 0.82 14662.80 12.45 22:10:01 258.20 250.84 7.36 12705.15 700.95 22:11:01 79.54 47.84 31.71 5450.20 8101.90 Average: 200.48 144.76 55.72 7335.52 8659.27 21:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:02 130124 1751432 93.08 2620 1194500 1384144 47.24 387912 1193632 15824 22:01:01 90972 1790584 95.17 2620 1225956 1381500 47.15 394572 1224436 844 22:02:01 76568 1804988 95.93 2620 1241836 1370296 46.77 389620 1244136 816 22:03:01 248680 1632876 86.78 2620 981676 1378516 47.05 355164 1025868 102868 22:04:01 199052 1682504 89.42 2620 1022368 1378628 47.05 369816 1059260 2224 22:05:01 73420 1808136 96.10 2596 997548 1734028 59.18 499272 1014412 91540 22:06:01 67128 1814428 96.43 2552 1048412 1460176 49.83 471184 1047160 49896 22:07:01 76992 1804564 95.91 1480 989900 1463536 49.95 494444 986544 68676 22:08:01 167544 1714012 91.10 620 991376 1286804 43.92 420688 1022336 32 22:09:01 64580 1816976 96.57 532 1087372 1286756 43.91 397204 1141548 12 22:10:01 153764 1727792 91.83 504 1043544 1285744 43.88 398560 1075324 56 22:11:01 72848 1808708 96.13 452 1064020 1500920 51.22 527156 1026632 55256 Average: 118473 1763083 93.70 1820 1074042 1409254 48.10 425466 1088441 32337 21:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:00:02 eth0 324.15 249.38 1167.97 32.18 0.00 0.00 0.00 22:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:02 vethf42cb7d 178.75 196.16 12.79 672.71 0.00 0.00 0.00 22:00:02 docker0 178.75 196.02 10.34 672.70 0.00 0.00 0.00 22:01:01 eth0 256.66 201.56 553.60 13.67 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 vethf42cb7d 200.69 207.13 12.95 549.12 0.00 0.00 0.00 22:01:01 docker0 200.69 207.13 10.20 549.12 0.00 0.00 0.00 22:02:01 eth0 248.83 193.97 531.19 12.95 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 vethf42cb7d 193.34 198.09 12.47 527.07 0.00 0.00 0.00 22:02:01 docker0 193.34 198.09 9.82 527.07 0.00 0.00 0.00 22:03:01 eth0 343.27 296.27 1354.85 23.64 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 vethf42cb7d 294.64 301.95 22.22 1349.66 0.00 0.00 0.00 22:03:01 docker0 294.64 301.95 18.19 1349.66 0.00 0.00 0.00 22:04:01 eth0 291.91 234.66 650.31 16.62 0.00 0.00 0.00 22:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:01 vethf42cb7d 232.78 241.52 15.02 644.25 0.00 0.00 0.00 22:04:01 docker0 232.78 241.52 11.84 644.25 0.00 0.00 0.00 22:05:01 eth0 209.90 176.17 480.68 12.00 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 vethf42cb7d 175.24 180.41 11.30 477.57 0.00 0.00 0.00 22:05:01 docker0 175.24 180.41 8.90 477.57 0.00 0.00 0.00 22:06:01 eth0 212.64 156.26 817.81 102.38 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 102.71 138.59 7.08 779.73 0.00 0.00 0.00 22:07:01 eth0 4.09 2.13 3.42 1.77 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 172.07 208.94 24.42 1588.37 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 268.86 337.70 18.87 2727.09 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 vethd7eef31 0.37 0.48 0.09 0.19 0.00 0.00 0.00 22:10:01 eth0 3002.46 2570.76 6536.21 6619.97 0.00 0.00 0.00 22:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:10:01 docker0 1375.59 1461.05 76.32 4992.62 0.00 0.00 0.00 22:11:01 eth0 130.23 100.50 2375.13 62.32 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 1.88 1.76 0.51 1.47 0.00 0.00 0.00 Average: eth0 226.70 204.05 680.89 552.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 114.90 122.02 6.41 416.59 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/11/20 _x86_64_ (4 CPU) 21:58:11 LINUX RESTART 21:59:01 CPU %user %nice %system %iowait %steal %idle 22:00:02 all 5.55 0.00 3.11 1.31 0.02 90.01 22:00:02 0 3.65 0.00 3.43 0.79 0.03 92.09 22:00:02 1 4.66 0.00 3.18 1.54 0.03 90.59 22:00:02 2 7.49 0.00 3.04 2.04 0.02 87.42 22:00:02 3 6.40 0.00 2.83 0.87 0.02 89.89 22:01:01 all 0.30 0.00 0.35 0.00 0.00 99.34 22:01:01 0 0.26 0.00 0.59 0.02 0.00 99.14 22:01:01 1 0.19 0.00 0.19 0.00 0.02 99.61 22:01:01 2 0.25 0.00 0.41 0.00 0.02 99.32 22:01:01 3 0.51 0.00 0.20 0.00 0.00 99.29 22:02:01 all 0.31 0.00 0.36 0.00 0.00 99.33 22:02:01 0 0.25 0.00 0.73 0.00 0.00 99.02 22:02:01 1 0.17 0.00 0.27 0.00 0.00 99.57 22:02:01 2 0.18 0.00 0.28 0.00 0.00 99.53 22:02:01 3 0.62 0.00 0.15 0.00 0.00 99.23 22:03:01 all 6.01 0.00 2.34 0.36 0.01 91.28 22:03:01 0 6.50 0.00 3.17 0.24 0.02 90.08 22:03:01 1 6.62 0.00 1.92 0.85 0.02 90.59 22:03:01 2 5.32 0.00 2.37 0.15 0.00 92.16 22:03:01 3 5.57 0.00 1.94 0.20 0.02 92.27 22:04:01 all 0.34 0.00 0.54 0.05 0.00 99.06 22:04:01 0 0.42 0.00 1.27 0.00 0.02 98.28 22:04:01 1 0.30 0.00 0.38 0.05 0.00 99.27 22:04:01 2 0.50 0.00 0.25 0.15 0.02 99.08 22:04:01 3 0.17 0.00 0.25 0.02 0.00 99.57 22:05:01 all 2.13 0.00 1.27 0.01 0.00 96.58 22:05:01 0 2.00 0.00 2.22 0.00 0.00 95.79 22:05:01 1 2.62 0.00 0.90 0.02 0.00 96.47 22:05:01 2 2.67 0.00 0.55 0.00 0.00 96.78 22:05:01 3 1.23 0.00 1.45 0.03 0.00 97.28 22:06:01 all 9.53 0.00 5.17 1.78 0.03 83.48 22:06:01 0 6.09 0.00 4.80 1.38 0.02 87.71 22:06:01 1 8.45 0.00 5.48 1.52 0.03 84.52 22:06:01 2 10.19 0.00 5.19 2.47 0.02 82.13 22:06:01 3 13.45 0.00 5.21 1.77 0.03 79.53 22:07:01 all 5.63 0.00 7.65 17.75 0.07 68.89 22:07:01 0 5.24 0.00 8.06 16.93 0.05 69.72 22:07:01 1 5.82 0.00 7.47 19.64 0.07 67.00 22:07:01 2 5.91 0.00 7.44 19.40 0.08 67.17 22:07:01 3 5.51 0.00 7.65 15.02 0.09 71.74 22:08:01 all 10.97 0.00 5.56 8.06 0.07 75.34 22:08:01 0 9.72 0.00 4.83 7.31 0.05 78.10 22:08:01 1 11.20 0.00 5.36 8.04 0.12 75.28 22:08:01 2 11.19 0.00 6.35 8.16 0.05 74.25 22:08:01 3 11.78 0.00 5.70 8.71 0.08 73.73 22:09:01 all 14.11 0.00 3.28 13.55 0.08 68.98 22:09:01 0 13.74 0.00 3.39 12.58 0.07 70.22 22:09:01 1 14.20 0.00 3.37 14.30 0.08 68.05 22:09:01 2 13.47 0.00 3.19 13.59 0.07 69.69 22:09:01 3 15.06 0.00 3.14 13.74 0.09 67.98 22:10:01 all 9.98 0.00 2.05 3.20 0.03 84.75 22:10:01 0 9.76 0.00 2.20 2.97 0.03 85.03 22:10:01 1 9.11 0.00 1.83 3.14 0.02 85.90 22:10:01 2 10.74 0.00 1.98 3.20 0.05 84.03 22:10:01 3 10.28 0.00 2.19 3.47 0.02 84.05 22:11:01 all 4.39 0.00 2.97 1.43 0.02 91.20 22:11:01 0 3.87 0.00 3.10 1.21 0.02 91.80 22:11:01 1 4.25 0.00 3.05 1.01 0.02 91.68 22:11:01 2 5.74 0.00 3.14 3.06 0.00 88.06 22:11:01 3 3.71 0.00 2.57 0.47 0.02 93.24 Average: all 5.77 0.00 2.89 3.95 0.03 87.37 Average: 0 5.14 0.00 3.16 3.63 0.03 88.05 Average: 1 5.62 0.00 2.78 4.16 0.03 87.40 Average: 2 6.13 0.00 2.85 4.34 0.03 86.65 Average: 3 6.16 0.00 2.76 3.65 0.03 87.39