---> uname -a: Linux 97f6ff873300 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 7.2G 42.8G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/i-build-images_snapcraft-builder /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/i-build-images_snapcraft-builder@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 690 78 0 1068 1062 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/16/20 _x86_64_ (4 CPU) 16:49:19 LINUX RESTART 16:50:02 tps rtps wtps bread/s bwrtn/s 16:51:01 167.77 11.76 156.01 2318.10 31318.07 16:52:01 574.80 397.62 177.18 21629.76 28752.53 16:53:01 475.15 391.11 84.04 16106.56 12903.71 16:54:01 22.58 12.32 10.26 575.25 709.46 16:55:01 0.42 0.03 0.38 1.07 5.41 16:56:01 0.37 0.05 0.32 1.20 3.55 16:57:01 0.30 0.00 0.30 0.00 3.21 16:58:01 4.98 3.55 1.43 129.49 26.93 16:59:01 19.01 3.00 16.02 360.17 842.06 Average: 140.69 91.29 49.40 4578.61 8250.86 16:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:51:01 70872 1811432 96.23 2620 1043508 1303424 44.47 504740 1036184 98492 16:52:01 75552 1806752 95.99 2268 1088760 1098876 37.49 424140 1100880 67180 16:53:01 195212 1687092 89.63 1916 1039272 1031968 35.21 390468 1059984 20 16:54:01 202552 1679752 89.24 1916 1055324 945080 32.25 786236 672996 20 16:55:01 203972 1678332 89.16 1916 1055332 926612 31.62 785832 671920 16 16:56:01 204908 1677396 89.11 1916 1055380 922452 31.47 785392 671580 16 16:57:01 204960 1677344 89.11 1916 1055360 922452 31.47 785468 671580 8 16:58:01 171080 1711224 90.91 1916 1078796 992560 33.87 797576 693100 19404 16:59:01 149316 1732988 92.07 1916 1089812 1033852 35.27 813708 693640 68 Average: 164269 1718035 91.27 2033 1062394 1019697 34.79 674840 807985 20580 16:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:51:01 vethb25e911 293.28 360.17 19.88 4074.31 0.00 0.00 0.00 16:51:01 eth0 837.45 581.22 5275.19 99.53 0.00 0.00 0.00 16:51:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 16:51:01 docker0 293.28 360.03 15.87 4074.30 0.00 0.00 0.00 16:52:01 eth0 8.97 4.33 7.27 3.70 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 eth0 247.79 272.25 28.70 2183.33 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 eth0 309.21 340.43 28.90 2704.41 0.00 0.00 0.00 16:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 eth0 0.35 0.30 0.24 0.09 0.00 0.00 0.00 16:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 eth0 12.39 11.04 157.63 2.05 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 eth0 69.00 59.61 51.72 113.77 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 veth3bc40b9 0.58 0.57 0.16 0.45 0.00 0.00 0.00 16:59:01 docker0 290.93 356.46 16.22 4010.86 0.00 0.00 0.00 Average: eth0 121.88 114.45 529.22 561.44 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3bc40b9 0.06 0.06 0.02 0.05 0.00 0.00 0.00 Average: docker0 32.38 39.67 1.81 446.37 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/16/20 _x86_64_ (4 CPU) 16:49:19 LINUX RESTART 16:50:02 CPU %user %nice %system %iowait %steal %idle 16:51:01 all 13.28 0.00 6.67 1.60 0.03 78.43 16:51:01 0 15.23 0.00 7.28 1.28 0.02 76.19 16:51:01 1 10.52 0.00 5.52 1.24 0.02 82.70 16:51:01 2 18.37 0.00 6.53 1.53 0.02 73.55 16:51:01 3 9.00 0.00 7.39 2.35 0.03 81.23 16:52:01 all 7.13 0.00 5.91 13.70 0.06 73.20 16:52:01 0 8.32 0.00 5.31 15.54 0.05 70.78 16:52:01 1 8.40 0.00 6.48 11.77 0.05 73.30 16:52:01 2 6.11 0.00 5.82 15.80 0.08 72.19 16:52:01 3 5.69 0.00 6.05 11.67 0.05 76.55 16:53:01 all 13.12 0.00 4.52 8.07 0.07 74.22 16:53:01 0 12.36 0.00 4.19 7.25 0.05 76.14 16:53:01 1 13.04 0.00 4.84 8.25 0.07 73.81 16:53:01 2 13.25 0.00 4.67 7.94 0.05 74.09 16:53:01 3 13.83 0.00 4.38 8.84 0.10 72.85 16:54:01 all 13.03 0.00 1.89 0.17 0.04 84.87 16:54:01 0 11.38 0.00 2.06 0.17 0.05 86.35 16:54:01 1 13.45 0.00 1.75 0.10 0.03 84.67 16:54:01 2 14.10 0.00 1.95 0.24 0.05 83.67 16:54:01 3 13.20 0.00 1.77 0.17 0.05 84.81 16:55:01 all 0.09 0.00 0.06 0.00 0.00 99.85 16:55:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:55:01 1 0.18 0.00 0.10 0.00 0.00 99.72 16:55:01 2 0.07 0.00 0.07 0.00 0.00 99.87 16:55:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:56:01 all 0.05 0.00 0.05 0.00 0.00 99.91 16:56:01 0 0.02 0.00 0.05 0.00 0.00 99.93 16:56:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:56:01 2 0.07 0.00 0.03 0.00 0.00 99.90 16:56:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:57:01 all 0.11 0.00 0.05 0.00 0.00 99.84 16:57:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:57:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:57:01 2 0.05 0.00 0.05 0.00 0.00 99.90 16:57:01 3 0.28 0.00 0.08 0.00 0.00 99.63 16:58:01 all 0.57 0.00 0.33 0.01 0.00 99.08 16:58:01 0 0.40 0.00 0.22 0.00 0.00 99.38 16:58:01 1 0.65 0.00 0.28 0.00 0.00 99.07 16:58:01 2 0.35 0.00 0.32 0.00 0.00 99.33 16:58:01 3 0.88 0.00 0.50 0.02 0.00 98.60 16:59:01 all 3.03 0.00 1.46 0.20 0.00 95.31 16:59:01 0 2.96 0.00 1.52 0.30 0.00 95.21 16:59:01 1 3.58 0.00 1.44 0.17 0.02 94.79 16:59:01 2 2.56 0.00 1.47 0.20 0.00 95.77 16:59:01 3 2.98 0.00 1.41 0.13 0.02 95.46 Average: all 5.56 0.00 2.30 2.62 0.02 89.50 Average: 0 5.58 0.00 2.27 2.71 0.02 89.42 Average: 1 5.52 0.00 2.26 2.38 0.02 89.82 Average: 2 6.06 0.00 2.30 2.83 0.02 88.78 Average: 3 5.07 0.00 2.38 2.54 0.03 89.98