---> uname -a: Linux 4c357358feb9 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 7.1G 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 689 65 0 1083 1063 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) 03:38:29 LINUX RESTART 03:39:01 tps rtps wtps bread/s bwrtn/s 03:40:02 210.12 21.30 188.82 3640.20 37003.14 03:41:01 592.65 432.85 159.80 22423.47 29119.73 03:42:01 388.67 341.11 47.55 13481.76 6608.19 03:43:01 5.88 0.43 5.45 59.02 349.24 03:44:01 0.48 0.03 0.45 1.07 6.71 03:45:01 0.37 0.02 0.35 0.53 4.63 03:46:01 0.30 0.03 0.27 0.67 2.70 03:47:01 0.25 0.00 0.25 0.00 2.93 03:48:01 16.45 5.23 11.22 292.91 778.70 Average: 134.41 88.53 45.87 4408.81 8182.13 03:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:02 224736 1657568 88.06 2620 974084 1053784 35.95 387956 1002936 90584 03:41:01 83460 1798844 95.57 2340 1086932 1108392 37.82 589212 917392 57132 03:42:01 207876 1674428 88.96 2308 1041000 1021556 34.85 579272 855576 12 03:43:01 235136 1647168 87.51 2308 1042820 944156 32.21 779204 650096 20 03:44:01 236288 1646016 87.45 2308 1042828 928772 31.69 778668 649228 16 03:45:01 236844 1645460 87.42 2308 1042836 928688 31.69 778252 649228 16 03:46:01 237280 1645024 87.39 2308 1042856 928688 31.69 778256 649228 8 03:47:01 247640 1634664 86.84 2308 1042920 928688 31.69 771728 644872 16 03:48:01 185344 1696960 90.15 2308 1071140 1016228 34.67 813268 661936 80 Average: 210512 1671792 88.82 2346 1043046 984328 33.58 695091 742277 16432 03:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:40:02 eth0 572.15 452.73 4573.49 86.28 0.00 0.00 0.00 03:40:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:02 veth415f0c9 300.30 350.88 21.80 3911.30 0.00 0.00 0.00 03:40:02 docker0 300.30 350.75 17.69 3911.29 0.00 0.00 0.00 03:41:01 eth0 7.34 3.44 5.61 2.85 0.00 0.00 0.00 03:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 eth0 406.01 423.62 40.04 3284.69 0.00 0.00 0.00 03:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 eth0 176.37 194.60 19.59 1492.94 0.00 0.00 0.00 03:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 eth0 0.85 0.48 0.83 0.09 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 veth907ad9d 0.55 0.53 0.16 0.40 0.00 0.00 0.00 03:48:01 eth0 1454.91 1271.56 5327.31 4915.36 0.00 0.00 0.00 03:48:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 03:48:01 docker0 301.62 352.01 18.00 3914.69 0.00 0.00 0.00 Average: veth907ad9d 0.06 0.06 0.02 0.04 0.00 0.00 0.00 Average: eth0 161.89 141.49 592.77 546.93 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 33.56 39.17 2.00 435.59 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) 03:38:29 LINUX RESTART 03:39:01 CPU %user %nice %system %iowait %steal %idle 03:40:02 all 17.80 0.00 6.56 1.91 0.01 73.72 03:40:02 0 16.73 0.00 7.63 1.53 0.00 74.12 03:40:02 1 19.12 0.00 5.48 1.22 0.03 74.14 03:40:02 2 13.53 0.00 6.61 0.71 0.02 79.13 03:40:02 3 21.81 0.00 6.50 4.20 0.02 67.48 03:41:01 all 6.68 0.00 6.49 16.22 0.08 70.53 03:41:01 0 7.17 0.00 6.60 16.93 0.07 69.24 03:41:01 1 6.13 0.00 7.05 17.33 0.05 69.43 03:41:01 2 7.29 0.00 5.26 14.09 0.09 73.28 03:41:01 3 6.18 0.00 7.06 16.50 0.07 70.18 03:42:01 all 17.51 0.00 4.16 6.20 0.07 72.06 03:42:01 0 15.37 0.00 3.94 6.00 0.05 74.63 03:42:01 1 18.75 0.00 4.55 6.45 0.10 70.16 03:42:01 2 17.71 0.00 3.85 6.61 0.07 71.76 03:42:01 3 18.18 0.00 4.31 5.76 0.09 71.67 03:43:01 all 6.68 0.00 0.92 0.00 0.02 92.38 03:43:01 0 5.91 0.00 1.28 0.00 0.03 92.78 03:43:01 1 6.80 0.00 0.77 0.02 0.02 92.40 03:43:01 2 6.51 0.00 0.77 0.00 0.02 92.70 03:43:01 3 7.47 0.00 0.85 0.00 0.02 91.66 03:44:01 all 0.18 0.00 0.05 0.00 0.00 99.76 03:44:01 0 0.07 0.00 0.07 0.00 0.00 99.87 03:44:01 1 0.53 0.00 0.05 0.00 0.00 99.42 03:44:01 2 0.08 0.00 0.03 0.00 0.00 99.88 03:44:01 3 0.07 0.00 0.07 0.00 0.00 99.87 03:45:01 all 0.18 0.00 0.04 0.00 0.00 99.78 03:45:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:45:01 1 0.57 0.00 0.05 0.00 0.00 99.38 03:45:01 2 0.05 0.00 0.05 0.00 0.00 99.90 03:45:01 3 0.05 0.00 0.02 0.00 0.00 99.93 03:46:01 all 0.18 0.00 0.04 0.00 0.00 99.79 03:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:46:01 1 0.35 0.00 0.05 0.00 0.02 99.58 03:46:01 2 0.25 0.00 0.03 0.00 0.00 99.72 03:46:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:47:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:47:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 2 0.57 0.00 0.05 0.00 0.00 99.38 03:47:01 3 0.07 0.00 0.08 0.00 0.00 99.85 03:48:01 all 1.90 0.00 0.99 0.10 0.00 97.00 03:48:01 0 2.31 0.00 1.09 0.12 0.00 96.49 03:48:01 1 1.95 0.00 1.07 0.05 0.00 96.93 03:48:01 2 2.00 0.00 0.90 0.20 0.00 96.90 03:48:01 3 1.35 0.00 0.90 0.05 0.00 97.69 Average: all 5.66 0.00 2.12 2.66 0.02 89.54 Average: 0 5.25 0.00 2.28 2.68 0.02 89.78 Average: 1 5.99 0.00 2.10 2.73 0.02 89.16 Average: 2 5.29 0.00 1.93 2.36 0.02 90.40 Average: 3 6.09 0.00 2.18 2.88 0.02 88.83