---> uname -a: Linux 70aee8b8919b 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/ndry_go-mod-configuration_master@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa-host /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/ndry_go-mod-configuration_master ---> free -m: total used free shared buff/cache available Mem: 1837 765 125 0 947 1005 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) 09/24/20 _x86_64_ (4 CPU) 20:50:54 LINUX RESTART (4 CPU) 20:52:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:53:01 45.78 12.56 33.22 0.00 4780.57 2271.46 0.00 20:54:02 1.66 0.00 1.66 0.00 0.00 31.80 0.00 20:55:01 0.29 0.00 0.29 0.00 0.00 3.97 0.00 20:56:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 20:57:01 0.35 0.00 0.35 0.00 0.00 5.10 0.00 20:58:01 0.33 0.00 0.33 0.00 0.00 3.25 0.00 20:59:01 0.28 0.02 0.27 0.00 0.13 2.31 0.00 21:00:01 0.25 0.00 0.25 0.00 0.00 2.95 0.00 21:01:01 0.25 0.02 0.23 0.00 0.13 2.86 0.00 21:02:01 0.50 0.12 0.38 0.00 2.13 5.99 0.00 21:03:01 0.28 0.00 0.28 0.00 0.00 3.23 0.00 21:04:01 0.22 0.00 0.22 0.00 0.00 2.58 0.00 21:05:02 0.27 0.00 0.27 0.00 0.00 2.90 0.00 21:06:01 0.37 0.17 0.20 0.00 5.42 2.05 0.00 21:07:01 200.23 106.82 93.41 0.00 5964.66 30665.30 0.00 21:08:01 207.97 61.78 146.19 0.00 3447.90 30521.04 0.00 Average: 28.77 11.37 17.40 0.00 889.73 3980.29 0.00 20:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:53:01 174156 0 531796 28.26 2620 1172984 1126588 38.45 391436 1155572 120 20:54:02 180964 0 524976 27.90 2620 1172996 1094124 37.34 388740 1152592 36 20:55:01 181080 0 524860 27.89 2620 1172996 1093264 37.31 389040 1152516 16 20:56:01 181108 0 524832 27.89 2620 1172996 1082936 36.96 393944 1147588 20 20:57:01 183648 0 522288 27.76 2620 1173000 1057308 36.08 394152 1145388 16 20:58:01 179360 0 526564 27.99 2620 1173012 1057284 36.08 424272 1119472 12 20:59:01 180248 0 525672 27.94 2620 1173016 1057236 36.08 419080 1124416 8 21:00:01 179976 0 525936 27.95 2620 1173024 1057232 36.08 418904 1124416 8 21:01:01 179184 0 526724 27.99 2620 1173028 1060008 36.18 419836 1124416 8 21:02:01 179360 0 526404 27.98 2620 1173172 1057828 36.10 414908 1129268 16 21:03:01 180124 0 525640 27.94 2620 1173172 1057744 36.10 414492 1129268 16 21:04:01 180084 0 525672 27.94 2620 1173180 1057744 36.10 414592 1129300 8 21:05:02 180036 0 525716 27.94 2620 1173184 1057744 36.10 414576 1129300 12 21:06:01 178068 0 527680 28.04 2620 1173188 1057888 36.10 415372 1129296 16 21:07:01 124856 0 635980 33.80 2620 1118100 1383520 47.22 520360 1035408 4004 21:08:01 66204 0 745144 39.60 2296 1067912 1317004 44.95 572872 953832 57368 Average: 169278 0 546618 29.05 2600 1163060 1104716 37.70 425411 1117628 3855 20:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:53:01 eth0 121.19 98.95 544.31 52.13 0.00 0.00 0.00 0.00 20:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 docker0 0.77 0.77 0.14 0.69 0.00 0.00 0.00 0.00 20:54:02 eth0 7.47 1.46 2.06 1.15 0.00 0.00 0.00 0.00 20:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 eth0 4.38 1.57 1.56 1.01 0.00 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 eth0 1.22 0.58 0.56 0.42 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 eth0 0.25 0.18 0.08 0.07 0.00 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 0.28 0.20 0.08 0.02 0.00 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 eth0 0.12 0.07 0.01 0.01 0.00 0.00 0.00 0.00 21:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 0.38 0.22 0.15 0.07 0.00 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.13 0.12 0.01 0.01 0.00 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:02 eth0 12.10 0.08 1.09 0.01 0.00 0.00 0.00 0.00 21:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 3.52 0.42 0.61 0.21 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 524.34 487.29 3823.09 44.57 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 vethabc9c93 13.77 12.21 1.66 22.57 0.00 0.00 0.00 0.00 21:07:01 docker0 13.77 12.09 1.47 22.56 0.00 0.00 0.00 0.00 21:08:01 eth0 472.26 359.17 3425.16 85.58 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 veth83370ae 23.84 46.61 1.60 199.55 0.00 0.00 0.00 0.00 21:08:01 docker0 23.84 46.49 1.27 199.54 0.00 0.00 0.00 0.00 Average: eth0 71.91 59.55 488.61 11.61 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth83370ae 1.49 2.92 0.10 12.50 0.00 0.00 0.00 0.00 Average: docker0 2.40 3.72 0.18 13.96 0.00 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) 09/24/20 _x86_64_ (4 CPU) 20:50:54 LINUX RESTART (4 CPU) 20:52:01 CPU %user %nice %system %iowait %steal %idle 20:53:01 all 3.70 0.00 2.34 1.59 9.82 82.55 20:53:01 0 4.04 0.00 2.71 0.45 10.67 82.14 20:53:01 1 3.03 0.00 1.94 0.80 10.14 84.09 20:53:01 2 4.39 0.00 2.30 1.29 9.22 82.81 20:53:01 3 3.35 0.00 2.40 3.83 9.26 81.15 20:54:02 all 0.15 0.00 0.07 0.00 0.50 99.28 20:54:02 0 0.27 0.00 0.08 0.00 0.70 98.95 20:54:02 1 0.10 0.00 0.05 0.00 0.42 99.43 20:54:02 2 0.15 0.00 0.07 0.00 0.60 99.19 20:54:02 3 0.10 0.00 0.07 0.00 0.30 99.53 20:55:01 all 0.26 0.00 0.19 0.00 3.37 96.18 20:55:01 0 0.20 0.00 0.10 0.00 3.82 95.88 20:55:01 1 0.25 0.00 0.17 0.00 3.64 95.95 20:55:01 2 0.28 0.00 0.22 0.00 3.16 96.34 20:55:01 3 0.32 0.00 0.28 0.00 2.85 96.55 20:56:01 all 0.12 0.00 0.07 0.00 0.39 99.41 20:56:01 0 0.05 0.00 0.07 0.00 0.25 99.63 20:56:01 1 0.13 0.00 0.10 0.00 0.40 99.37 20:56:01 2 0.27 0.00 0.07 0.00 0.38 99.28 20:56:01 3 0.05 0.00 0.07 0.00 0.52 99.37 20:57:01 all 0.13 0.00 0.04 0.00 0.12 99.71 20:57:01 0 0.03 0.00 0.03 0.00 0.02 99.92 20:57:01 1 0.47 0.00 0.07 0.00 0.22 99.25 20:57:01 2 0.02 0.00 0.02 0.00 0.03 99.93 20:57:01 3 0.02 0.00 0.03 0.00 0.20 99.75 20:58:01 all 0.12 0.00 0.09 0.00 0.17 99.63 20:58:01 0 0.02 0.00 0.02 0.00 0.05 99.92 20:58:01 1 0.17 0.00 0.23 0.00 0.13 99.47 20:58:01 2 0.27 0.00 0.05 0.00 0.42 99.27 20:58:01 3 0.02 0.00 0.05 0.00 0.07 99.87 20:59:01 all 0.12 0.00 0.02 0.00 0.15 99.72 20:59:01 0 0.02 0.00 0.00 0.00 0.00 99.98 20:59:01 1 0.05 0.00 0.03 0.00 0.23 99.68 20:59:01 2 0.37 0.00 0.02 0.00 0.12 99.50 20:59:01 3 0.03 0.00 0.03 0.00 0.23 99.70 21:00:01 all 0.07 0.00 0.03 0.00 0.46 99.44 21:00:01 0 0.00 0.00 0.02 0.00 0.35 99.64 21:00:01 1 0.03 0.00 0.02 0.00 0.20 99.75 21:00:01 2 0.22 0.00 0.03 0.00 0.61 99.14 21:00:01 3 0.05 0.00 0.05 0.00 0.66 99.24 21:01:01 all 0.10 0.00 0.02 0.00 0.19 99.68 21:01:01 0 0.02 0.00 0.02 0.00 0.10 99.87 21:01:01 1 0.08 0.00 0.03 0.00 0.28 99.60 21:01:01 2 0.30 0.00 0.03 0.00 0.13 99.53 21:01:01 3 0.02 0.00 0.02 0.00 0.25 99.72 21:02:01 all 0.12 0.00 0.05 0.01 0.24 99.59 21:02:01 0 0.35 0.00 0.02 0.00 0.17 99.47 21:02:01 1 0.03 0.00 0.07 0.02 0.20 99.68 21:02:01 2 0.03 0.00 0.03 0.00 0.20 99.73 21:02:01 3 0.05 0.00 0.07 0.02 0.40 99.47 21:03:01 all 0.11 0.00 0.02 0.00 0.20 99.67 21:03:01 0 0.38 0.00 0.03 0.00 0.40 99.19 21:03:01 1 0.02 0.00 0.02 0.00 0.08 99.88 21:03:01 2 0.03 0.00 0.02 0.00 0.28 99.67 21:03:01 3 0.00 0.00 0.02 0.00 0.03 99.95 21:03:01 CPU %user %nice %system %iowait %steal %idle 21:04:01 all 0.13 0.00 0.03 0.00 0.10 99.74 21:04:01 0 0.43 0.00 0.02 0.00 0.07 99.48 21:04:01 1 0.03 0.00 0.02 0.00 0.05 99.90 21:04:01 2 0.07 0.00 0.07 0.00 0.25 99.62 21:04:01 3 0.00 0.00 0.02 0.00 0.02 99.97 21:05:02 all 0.12 0.00 0.02 0.00 0.32 99.55 21:05:02 0 0.18 0.00 0.00 0.00 0.32 99.50 21:05:02 1 0.03 0.00 0.03 0.00 0.38 99.55 21:05:02 2 0.25 0.00 0.02 0.00 0.43 99.30 21:05:02 3 0.02 0.00 0.02 0.00 0.13 99.83 21:06:01 all 0.11 0.00 0.07 0.00 0.45 99.37 21:06:01 0 0.07 0.00 0.05 0.00 0.56 99.32 21:06:01 1 0.07 0.00 0.07 0.00 0.14 99.73 21:06:01 2 0.25 0.00 0.07 0.00 0.37 99.31 21:06:01 3 0.07 0.00 0.08 0.00 0.74 99.11 21:07:01 all 4.42 0.00 3.44 1.81 14.53 75.80 21:07:01 0 3.97 0.00 3.64 1.99 15.58 74.82 21:07:01 1 4.67 0.00 3.48 1.30 14.38 76.17 21:07:01 2 4.33 0.00 3.66 2.91 14.40 74.69 21:07:01 3 4.70 0.00 2.96 1.05 13.78 77.51 21:08:01 all 6.70 0.00 5.44 1.85 19.00 67.02 21:08:01 0 5.83 0.00 5.85 1.81 20.65 65.86 21:08:01 1 7.35 0.00 4.84 1.93 19.14 66.73 21:08:01 2 8.50 0.00 7.01 1.19 18.04 65.26 21:08:01 3 5.17 0.00 4.13 2.43 18.16 70.12 Average: all 1.05 0.00 0.76 0.33 3.17 94.70 Average: 0 1.00 0.00 0.80 0.27 3.39 94.54 Average: 1 1.05 0.00 0.71 0.26 3.19 94.79 Average: 2 1.24 0.00 0.86 0.34 3.06 94.50 Average: 3 0.89 0.00 0.66 0.47 3.03 94.95