---> uname -a: Linux e45ec5e4ce60 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: 2933.436 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 7.1G 42.9G 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 7.1G 42.9G 14% /etc/resolv.conf /dev/vda1 50.0G 7.1G 42.9G 14% /etc/hostname /dev/vda1 50.0G 7.1G 42.9G 14% /etc/hosts /dev/vda1 50.0G 7.1G 42.9G 14% /w/workspace/i-build-images_snapcraft-builder /dev/vda1 50.0G 7.1G 42.9G 14% /w/workspace/i-build-images_snapcraft-builder@tmp /dev/vda1 50.0G 7.1G 42.9G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 687 67 0 1082 1065 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) 03/01/20 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART 05:18:01 tps rtps wtps bread/s bwrtn/s 05:19:01 164.08 18.03 146.05 2933.02 30376.84 05:20:01 600.28 407.35 192.93 22172.57 29367.53 05:21:02 429.08 355.39 73.70 14520.39 11841.73 05:22:01 26.10 16.71 9.40 776.03 655.10 05:23:01 0.67 0.03 0.63 1.07 11.13 05:24:01 0.28 0.02 0.27 0.53 3.51 05:25:01 0.75 0.03 0.72 0.67 8.33 05:26:01 0.43 0.00 0.43 0.00 6.19 05:27:01 0.25 0.00 0.25 0.00 2.93 05:28:01 0.72 0.00 0.72 0.00 7.71 05:29:01 20.58 6.04 14.53 487.03 832.58 Average: 113.26 73.16 40.11 3724.25 6675.18 05:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 66552 1815752 96.46 2620 1034008 1358588 46.35 492688 1050024 79252 05:20:01 74736 1807568 96.03 2088 1077704 1147704 39.16 438812 1092184 90364 05:21:02 216648 1665656 88.49 1772 1011088 1015428 34.65 376796 1054304 20 05:22:01 217840 1664464 88.43 1772 1033112 928488 31.68 774476 671772 20 05:23:01 217600 1664704 88.44 1772 1033120 928548 31.68 774880 671772 12 05:24:01 220128 1662176 88.31 1772 1033128 910988 31.08 773596 671116 12 05:25:01 219832 1662472 88.32 1772 1033148 911012 31.08 773644 670992 8 05:26:01 219528 1662776 88.34 1772 1033156 911096 31.09 773968 670992 12 05:27:01 220380 1661924 88.29 1772 1033160 910928 31.08 773092 670992 16 05:28:01 233352 1648952 87.60 1772 1033168 911000 31.08 766148 664840 12 05:29:01 171004 1711300 90.92 1772 1067360 1034424 35.29 801876 687060 316 Average: 188873 1693431 89.97 1878 1038377 997109 34.02 683634 779641 15459 05:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:19:01 eth0 683.44 479.02 4802.50 83.59 0.00 0.00 0.00 05:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 veth46a5e62 287.74 341.22 21.23 3885.09 0.00 0.00 0.00 05:19:01 docker0 287.74 341.09 17.29 3885.08 0.00 0.00 0.00 05:20:01 eth0 23.06 18.00 13.12 41.25 0.00 0.00 0.00 05:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 05:21:02 eth0 238.36 269.55 28.87 2064.05 0.00 0.00 0.00 05:21:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 eth0 318.25 352.56 29.77 2760.53 0.00 0.00 0.00 05:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 eth0 0.65 0.52 0.70 0.29 0.00 0.00 0.00 05:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 eth0 0.65 0.18 0.14 0.04 0.00 0.00 0.00 05:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 eth0 0.67 0.47 0.28 0.21 0.00 0.00 0.00 05:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 eth0 0.80 0.33 0.30 0.20 0.00 0.00 0.00 05:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 eth0 0.22 0.17 0.08 0.04 0.00 0.00 0.00 05:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 veth826e147 0.37 0.45 0.09 0.18 0.00 0.00 0.00 05:29:01 eth0 1442.52 1236.72 5358.64 4975.25 0.00 0.00 0.00 05:29:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 05:29:01 docker0 291.28 344.93 17.80 3913.86 0.00 0.00 0.00 Average: veth826e147 0.03 0.04 0.01 0.02 0.00 0.00 0.00 Average: eth0 131.26 112.53 487.60 452.71 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 26.50 31.39 1.62 356.13 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) 03/01/20 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART 05:18:01 CPU %user %nice %system %iowait %steal %idle 05:19:01 all 19.86 0.00 6.93 1.81 0.69 70.70 05:19:01 0 20.32 0.00 7.63 1.65 0.60 69.81 05:19:01 1 20.07 0.00 7.31 0.64 0.68 71.30 05:19:01 2 22.05 0.00 6.73 2.29 0.83 68.09 05:19:01 3 16.98 0.00 6.04 2.65 0.68 73.64 05:20:01 all 8.47 0.00 6.27 12.69 1.02 71.56 05:20:01 0 7.38 0.00 5.99 13.87 0.95 71.80 05:20:01 1 7.00 0.00 6.39 11.38 1.06 74.18 05:20:01 2 12.09 0.00 6.83 12.72 1.02 67.33 05:20:01 3 7.40 0.00 5.91 12.78 1.06 72.84 05:21:02 all 12.50 0.00 4.45 5.67 1.77 75.61 05:21:02 0 11.37 0.00 4.49 5.15 1.52 77.46 05:21:02 1 12.64 0.00 3.94 5.20 1.96 76.26 05:21:02 2 12.60 0.00 4.86 6.56 1.68 74.30 05:21:02 3 13.41 0.00 4.49 5.78 1.89 74.44 05:22:01 all 13.83 0.00 2.03 0.25 1.70 82.20 05:22:01 0 12.82 0.00 2.27 0.47 1.55 82.89 05:22:01 1 14.47 0.00 1.84 0.19 1.64 81.87 05:22:01 2 13.55 0.00 2.08 0.17 1.81 82.39 05:22:01 3 14.47 0.00 1.93 0.15 1.79 81.66 05:23:01 all 0.21 0.00 0.06 0.00 0.01 99.71 05:23:01 0 0.05 0.00 0.05 0.00 0.02 99.88 05:23:01 1 0.10 0.00 0.07 0.00 0.02 99.82 05:23:01 2 0.63 0.00 0.07 0.00 0.02 99.28 05:23:01 3 0.08 0.00 0.07 0.00 0.02 99.83 05:24:01 all 0.18 0.00 0.05 0.00 0.02 99.74 05:24:01 0 0.05 0.00 0.03 0.00 0.02 99.90 05:24:01 1 0.10 0.00 0.08 0.00 0.03 99.78 05:24:01 2 0.53 0.00 0.05 0.00 0.02 99.40 05:24:01 3 0.07 0.00 0.03 0.00 0.00 99.90 05:25:01 all 0.18 0.00 0.05 0.00 0.02 99.75 05:25:01 0 0.03 0.00 0.07 0.00 0.05 99.85 05:25:01 1 0.07 0.00 0.03 0.02 0.00 99.88 05:25:01 2 0.52 0.00 0.05 0.00 0.00 99.43 05:25:01 3 0.07 0.00 0.07 0.02 0.02 99.83 05:26:01 all 0.18 0.00 0.06 0.00 0.02 99.75 05:26:01 0 0.03 0.00 0.05 0.00 0.03 99.88 05:26:01 1 0.12 0.00 0.08 0.00 0.02 99.78 05:26:01 2 0.48 0.00 0.05 0.00 0.03 99.43 05:26:01 3 0.07 0.00 0.07 0.00 0.00 99.87 05:27:01 all 0.17 0.00 0.05 0.00 0.02 99.77 05:27:01 0 0.03 0.00 0.03 0.00 0.02 99.92 05:27:01 1 0.07 0.00 0.05 0.00 0.02 99.87 05:27:01 2 0.47 0.00 0.05 0.00 0.03 99.45 05:27:01 3 0.12 0.00 0.05 0.00 0.03 99.80 05:28:01 all 0.18 0.00 0.06 0.00 0.01 99.75 05:28:01 0 0.07 0.00 0.02 0.00 0.02 99.90 05:28:01 1 0.08 0.00 0.07 0.00 0.02 99.83 05:28:01 2 0.48 0.00 0.05 0.00 0.00 99.47 05:28:01 3 0.08 0.00 0.07 0.00 0.02 99.83 05:29:01 all 3.07 0.00 1.64 0.18 0.34 94.77 05:29:01 0 3.53 0.00 1.60 0.10 0.32 94.46 05:29:01 1 2.75 0.00 1.53 0.20 0.37 95.15 05:29:01 2 2.92 0.00 1.95 0.22 0.29 94.63 05:29:01 3 3.06 0.00 1.51 0.20 0.39 94.84 Average: all 5.27 0.00 1.94 1.85 0.50 90.43 Average: 0 4.98 0.00 1.99 1.91 0.46 90.66 Average: 1 5.16 0.00 1.92 1.58 0.52 90.82 Average: 2 5.95 0.00 2.05 1.97 0.51 89.52 Average: 3 5.00 0.00 1.81 1.93 0.53 90.74