---> uname -a: Linux 9f03066fae02 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: 2933.438 BogoMIPS: 5866.87 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% /w/workspace/i-build-images_snapcraft-builder@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 744 125 0 967 1011 Swap: 1023 3 1020 ---> 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) 07/27/20 _x86_64_ (4 CPU) 21:06:34 LINUX RESTART 21:07:02 tps rtps wtps bread/s bwrtn/s 21:08:01 158.56 21.90 136.65 5054.94 27258.44 21:09:01 260.59 36.58 224.01 3957.26 27548.71 21:10:01 649.46 499.93 149.53 25074.47 26642.46 21:11:01 447.60 366.35 81.24 22619.94 15153.49 21:12:01 556.55 553.35 3.20 16189.38 110.67 21:13:01 197.74 196.82 0.92 8963.20 14.67 21:14:01 1.00 0.12 0.88 74.90 14.69 21:15:01 0.20 0.00 0.20 0.00 2.60 21:16:01 0.22 0.00 0.22 0.00 2.27 21:17:01 0.35 0.00 0.35 0.00 3.68 21:18:01 1.25 0.92 0.33 201.50 3.30 21:19:01 0.28 0.00 0.28 0.00 3.38 21:20:01 26.69 20.12 6.58 2787.41 704.16 21:21:01 113.52 50.82 62.70 5403.86 19938.90 Average: 172.53 124.96 47.58 6456.77 8369.01 21:07:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:08:01 69364 1812192 96.31 2620 985288 1781284 60.79 545704 1019164 88812 21:09:01 104256 1777300 94.46 2176 1005792 1497856 51.12 464912 1017532 32216 21:10:01 70268 1811288 96.27 832 991816 1487124 50.75 489740 1001028 85072 21:11:01 127112 1754444 93.24 552 1027256 1291232 44.07 419824 1064096 32 21:12:01 66572 1814984 96.46 484 1082844 1291144 44.06 411852 1127456 20 21:13:01 93424 1788132 95.03 476 1101576 1096556 37.42 394276 1139468 24 21:14:01 93712 1787844 95.02 476 1103824 1080012 36.86 392940 1141072 12 21:15:01 92012 1789544 95.11 476 1103828 1080604 36.88 394588 1141072 8 21:16:01 93644 1787912 95.02 476 1103840 1080352 36.87 393228 1141076 8 21:17:01 93708 1787848 95.02 476 1103844 1080352 36.87 376236 1158072 8 21:18:01 86932 1794624 95.38 476 1109896 1080484 36.87 379664 1161424 8 21:19:01 87636 1793920 95.34 476 1109900 1080352 36.87 378956 1161424 8 21:20:01 141820 1739736 92.46 424 1043116 1295732 44.22 403744 1081012 48 21:21:01 105592 1775964 94.39 360 1028996 1283904 43.82 493200 1000096 0 Average: 94718 1786838 94.97 770 1064415 1250499 42.68 424205 1096714 14734 21:07:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:08:01 veth93ee9f5 468.28 550.30 36.62 3079.16 0.00 0.00 0.00 21:08:01 eth0 1059.56 799.14 4328.57 153.36 0.00 0.00 0.00 21:08:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:08:01 docker0 468.28 550.17 30.22 3079.15 0.00 0.00 0.00 21:09:01 eth0 323.27 243.90 1923.85 37.40 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 218.94 275.02 13.68 1885.24 0.00 0.00 0.00 21:10:01 eth0 4.37 2.25 3.65 1.89 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 213.15 256.81 30.11 1937.82 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 303.93 365.97 22.04 2948.11 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 eth0 184.26 236.50 21.39 1804.78 0.00 0.00 0.00 21:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 eth0 0.08 0.08 0.01 0.02 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 eth0 8.46 9.06 0.78 20.54 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 eth0 4.48 4.43 0.41 7.01 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 44.16 38.35 167.50 57.32 0.00 0.00 0.00 21:20:01 vethee0095f 0.37 0.48 0.09 0.19 0.00 0.00 0.00 21:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:20:01 docker0 680.48 817.20 43.52 4918.15 0.00 0.00 0.00 21:21:01 eth0 152.16 99.17 2380.31 42.09 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 1.85 1.75 0.52 1.46 0.00 0.00 0.00 Average: eth0 161.42 144.98 625.48 501.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 48.78 58.55 3.15 351.74 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) 07/27/20 _x86_64_ (4 CPU) 21:06:34 LINUX RESTART 21:07:02 CPU %user %nice %system %iowait %steal %idle 21:08:01 all 20.60 0.00 6.20 2.94 0.02 70.24 21:08:01 0 20.71 0.00 7.55 5.29 0.02 66.43 21:08:01 1 17.63 0.00 5.79 4.26 0.03 72.29 21:08:01 2 20.68 0.00 5.36 1.70 0.00 72.26 21:08:01 3 23.39 0.00 6.08 0.56 0.02 69.94 21:09:01 all 10.48 0.00 4.93 2.75 0.02 81.83 21:09:01 0 7.61 0.00 4.34 4.01 0.02 84.03 21:09:01 1 13.34 0.00 4.97 1.44 0.00 80.25 21:09:01 2 7.28 0.00 4.55 1.99 0.00 86.18 21:09:01 3 13.68 0.00 5.88 3.56 0.02 76.86 21:10:01 all 5.69 0.00 6.65 18.01 0.05 69.61 21:10:01 0 5.53 0.00 6.95 17.10 0.05 70.37 21:10:01 1 5.67 0.00 6.71 18.17 0.05 69.40 21:10:01 2 5.66 0.00 6.91 17.24 0.07 70.13 21:10:01 3 5.88 0.00 6.01 19.57 0.07 68.47 21:11:01 all 12.84 0.00 4.43 7.71 0.05 74.97 21:11:01 0 11.91 0.00 4.56 7.12 0.03 76.39 21:11:01 1 13.21 0.00 4.49 6.47 0.08 75.74 21:11:01 2 12.51 0.00 4.27 7.27 0.03 75.92 21:11:01 3 13.75 0.00 4.39 9.97 0.05 71.84 21:12:01 all 15.84 0.00 2.82 12.22 0.08 69.05 21:12:01 0 13.76 0.00 2.96 11.67 0.07 71.54 21:12:01 1 15.99 0.00 2.94 12.82 0.07 68.18 21:12:01 2 16.50 0.00 2.99 12.49 0.08 67.94 21:12:01 3 17.11 0.00 2.40 11.90 0.08 68.51 21:13:01 all 8.71 0.00 1.14 2.52 0.03 87.61 21:13:01 0 7.22 0.00 1.21 2.33 0.03 89.22 21:13:01 1 9.69 0.00 1.10 2.46 0.02 86.73 21:13:01 2 9.39 0.00 1.09 2.84 0.02 86.66 21:13:01 3 8.56 0.00 1.16 2.42 0.03 87.84 21:14:01 all 0.02 0.00 0.02 0.00 0.00 99.95 21:14:01 0 0.02 0.00 0.05 0.00 0.00 99.93 21:14:01 1 0.03 0.00 0.02 0.02 0.00 99.93 21:14:01 2 0.00 0.00 0.03 0.00 0.00 99.97 21:14:01 3 0.00 0.00 0.02 0.00 0.00 99.98 21:15:01 all 0.09 0.00 0.05 0.00 0.00 99.86 21:15:01 0 0.10 0.00 0.07 0.00 0.00 99.83 21:15:01 1 0.10 0.00 0.05 0.00 0.00 99.85 21:15:01 2 0.10 0.00 0.02 0.00 0.00 99.88 21:15:01 3 0.08 0.00 0.02 0.00 0.02 99.88 21:16:01 all 0.02 0.00 0.01 0.00 0.00 99.97 21:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:16:01 1 0.02 0.00 0.00 0.00 0.00 99.98 21:16:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:16:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:17:01 all 0.02 0.00 0.02 0.00 0.00 99.96 21:17:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:17:01 1 0.02 0.00 0.02 0.00 0.00 99.97 21:17:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:17:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:18:01 all 0.04 0.00 0.04 0.01 0.00 99.91 21:18:01 0 0.02 0.00 0.07 0.00 0.00 99.92 21:18:01 1 0.05 0.00 0.02 0.00 0.00 99.93 21:18:01 2 0.05 0.00 0.02 0.00 0.00 99.93 21:18:01 3 0.03 0.00 0.05 0.03 0.00 99.88 21:19:01 all 0.02 0.00 0.02 0.00 0.00 99.95 21:19:01 0 0.02 0.00 0.00 0.00 0.00 99.98 21:19:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:19:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:19:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:20:01 all 0.93 0.00 0.76 0.28 0.00 98.02 21:20:01 0 0.90 0.00 0.92 0.77 0.00 97.41 21:20:01 1 0.98 0.00 0.77 0.12 0.02 98.11 21:20:01 2 0.85 0.00 0.63 0.08 0.02 98.42 21:20:01 3 0.98 0.00 0.70 0.17 0.00 98.15 21:21:01 all 6.68 0.00 3.92 1.63 0.04 87.73 21:21:01 0 6.41 0.00 3.68 1.70 0.03 88.18 21:21:01 1 7.61 0.00 4.17 3.04 0.05 85.14 21:21:01 2 6.19 0.00 3.87 0.59 0.03 89.32 21:21:01 3 6.53 0.00 3.99 1.21 0.03 88.23 Average: all 5.82 0.00 2.20 3.42 0.02 88.54 Average: 0 5.25 0.00 2.30 3.56 0.02 88.87 Average: 1 6.00 0.00 2.21 3.47 0.02 88.29 Average: 2 5.63 0.00 2.12 3.15 0.02 89.08 Average: 3 6.38 0.00 2.18 3.49 0.02 87.93