---> uname -a: Linux prd-centos7-docker-4c-2g-21324.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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: 2933.442 BogoMIPS: 5866.88 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 Srbds: Not affected 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 8.5G 41.4G 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 8.5G 41.4G 17% /facter-os /dev/vda1 50.0G 8.5G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/ndry_go-mod-configuration_master /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/ndry_go-mod-configuration_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 807 151 0 878 965 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:88:85:a7 brd ff:ff:ff:ff:ff:ff inet 10.30.122.255/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85952sec preferred_lft 85952sec inet6 fe80::f816:3eff:fe88:85a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:aa:cd:ff:b2 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:aaff:fecd:ffb2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 01/19/21 _x86_64_ (4 CPU) 22:02:57 LINUX RESTART (4 CPU) 22:04:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:05:01 2.70 0.00 2.70 0.00 0.00 59.42 0.00 22:06:01 0.37 0.00 0.37 0.00 0.00 5.33 0.00 22:07:01 0.18 0.00 0.18 0.00 0.00 2.17 0.00 22:08:01 0.25 0.00 0.25 0.00 0.00 3.73 0.00 22:09:01 241.49 151.22 90.28 0.00 7719.57 33376.08 0.00 22:10:01 223.32 77.58 145.73 0.00 4728.77 33051.52 0.00 Average: 78.09 38.15 39.94 0.00 2075.66 11088.26 0.00 22:04:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:05:01 157780 0 563388 29.94 2620 1157756 1086740 37.09 407752 1117380 24 22:06:01 158804 0 562408 29.89 2620 1157712 1078528 36.81 406136 1118352 12 22:07:01 158036 0 563172 29.93 2620 1157716 1062304 36.25 410100 1115052 20 22:08:01 157912 0 563296 29.94 2620 1157716 1062352 36.26 414100 1111212 8 22:09:01 104540 0 697692 37.08 2600 1076712 1258220 42.94 524804 994540 4044 22:10:01 224680 0 758368 40.31 1572 896924 1280540 43.70 574624 742900 48 Average: 160292 0 618054 32.85 2442 1100756 1138114 38.84 456253 1033239 693 22:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:05:01 eth0 5.61 1.88 4.08 0.85 0.00 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 eth0 6.60 0.33 0.83 0.23 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 eth0 6.86 1.23 1.71 0.80 0.00 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 2.78 0.78 0.97 0.56 0.00 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 466.68 408.37 4107.66 36.15 0.00 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 veth58590e8 13.88 11.72 1.66 23.07 0.00 0.00 0.00 0.00 22:09:01 docker0 13.88 11.62 1.47 23.06 0.00 0.00 0.00 0.00 22:10:01 eth0 487.50 409.39 3464.18 54.25 0.00 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 veth36cf978 1.53 1.15 0.25 0.21 0.00 0.00 0.00 0.00 22:10:01 docker0 31.47 44.23 1.93 202.92 0.00 0.00 0.00 0.00 Average: eth0 162.75 137.06 1263.83 15.48 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: veth36cf978 0.26 0.19 0.04 0.03 0.00 0.00 0.00 0.00 Average: docker0 7.56 9.31 0.57 37.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 01/19/21 _x86_64_ (4 CPU) 22:02:57 LINUX RESTART (4 CPU) 22:04:01 CPU %user %nice %system %iowait %steal %idle 22:05:01 all 0.25 0.00 0.08 0.00 0.04 99.63 22:05:01 0 0.12 0.00 0.05 0.00 0.05 99.78 22:05:01 1 0.12 0.00 0.08 0.00 0.03 99.77 22:05:01 2 0.55 0.00 0.12 0.00 0.05 99.28 22:05:01 3 0.22 0.00 0.07 0.00 0.03 99.68 22:06:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:06:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:06:01 1 0.47 0.00 0.03 0.00 0.00 99.50 22:06:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:06:01 3 0.08 0.00 0.05 0.00 0.00 99.87 22:07:01 all 0.17 0.00 0.04 0.00 0.01 99.78 22:07:01 0 0.08 0.00 0.07 0.00 0.02 99.83 22:07:01 1 0.50 0.00 0.02 0.00 0.02 99.47 22:07:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:07:01 3 0.05 0.00 0.02 0.00 0.00 99.93 22:08:01 all 0.15 0.00 0.03 0.00 0.01 99.82 22:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:08:01 1 0.45 0.00 0.03 0.00 0.02 99.50 22:08:01 2 0.07 0.00 0.05 0.00 0.02 99.87 22:08:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:09:01 all 8.12 0.00 4.74 1.87 0.04 85.23 22:09:01 0 9.21 0.00 4.57 1.17 0.05 85.00 22:09:01 1 7.67 0.00 4.45 2.32 0.03 85.52 22:09:01 2 7.71 0.00 5.51 1.92 0.03 84.83 22:09:01 3 7.90 0.00 4.41 2.07 0.05 85.58 22:10:01 all 10.96 0.00 7.54 3.07 0.05 78.39 22:10:01 0 9.18 0.00 7.46 1.69 0.07 81.60 22:10:01 1 14.09 0.00 8.25 3.93 0.03 73.69 22:10:01 2 9.56 0.00 6.59 2.42 0.05 81.38 22:10:01 3 11.01 0.00 7.85 4.23 0.05 76.86 Average: all 3.26 0.00 2.05 0.81 0.03 93.86 Average: 0 3.07 0.00 2.01 0.47 0.03 94.42 Average: 1 3.83 0.00 2.11 1.03 0.02 93.01 Average: 2 2.96 0.00 2.03 0.71 0.03 94.26 Average: 3 3.17 0.00 2.04 1.03 0.02 93.73