---> uname -a: Linux prd-centos7-docker-4c-2g-20279.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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/exfoundry_go-mod-messaging_PR-85 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/exfoundry_go-mod-messaging_PR-85@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 705 84 0 1046 1027 Swap: 1023 0 1023 ---> 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:67:e8:81 brd ff:ff:ff:ff:ff:ff inet 10.30.122.89/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe67:e881/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:96:07:11:56 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::42:96ff:fe07:1156/64 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) 01/14/21 _x86_64_ (4 CPU) 18:29:17 LINUX RESTART (4 CPU) 18:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:31:01 29.08 10.77 18.30 0.00 4288.16 2986.91 0.00 18:32:01 1.90 0.00 1.90 0.00 0.00 37.02 0.00 18:33:01 0.23 0.00 0.23 0.00 0.00 3.01 0.00 18:34:01 0.30 0.00 0.30 0.00 0.00 3.28 0.00 18:35:01 120.85 65.28 55.56 0.00 5654.21 18421.51 0.00 Average: 30.48 15.21 15.26 0.00 1988.73 4291.10 0.00 18:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:31:01 167452 0 569100 30.25 2620 1142372 1088192 37.14 391824 1123160 20 18:32:01 173348 0 563200 29.93 2620 1142376 1059908 36.17 389816 1120240 8 18:33:01 171700 0 564840 30.02 2620 1142384 1059932 36.17 389580 1122432 8 18:34:01 171656 0 564884 30.02 2620 1142384 1059956 36.17 395596 1116688 8 18:35:01 184920 0 668668 35.54 2620 1025336 1269404 43.32 433320 1004788 8 Average: 173815 0 586138 31.15 2620 1118970 1107478 37.80 400027 1097462 10 18:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:31:01 eth0 80.03 59.35 345.81 24.97 0.00 0.00 0.00 0.00 18:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 docker0 1.58 1.58 0.35 2.72 0.00 0.00 0.00 0.00 18:32:01 eth0 4.06 2.11 3.06 0.14 0.00 0.00 0.00 0.00 18:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 eth0 1.00 0.33 0.32 0.17 0.00 0.00 0.00 0.00 18:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 eth0 0.50 0.30 0.27 0.23 0.00 0.00 0.00 0.00 18:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 eth0 214.97 183.05 2174.91 19.74 0.00 0.00 0.00 0.00 18:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 60.12 49.04 504.96 9.05 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: docker0 0.32 0.32 0.07 0.54 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) 01/14/21 _x86_64_ (4 CPU) 18:29:17 LINUX RESTART (4 CPU) 18:30:01 CPU %user %nice %system %iowait %steal %idle 18:31:01 all 2.54 0.00 1.53 0.41 0.01 95.51 18:31:01 0 2.71 0.00 1.92 1.17 0.00 94.20 18:31:01 1 2.11 0.00 1.34 0.17 0.00 96.39 18:31:01 2 2.86 0.00 1.24 0.13 0.02 95.75 18:31:01 3 2.48 0.00 1.61 0.18 0.02 95.72 18:32:01 all 0.13 0.00 0.04 0.00 0.00 99.83 18:32:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:32:01 1 0.40 0.00 0.03 0.00 0.00 99.57 18:32:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:33:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:33:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:33:01 1 0.18 0.00 0.02 0.00 0.00 99.80 18:33:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:33:01 3 0.32 0.00 0.05 0.00 0.00 99.63 18:34:01 all 0.15 0.00 0.01 0.00 0.00 99.84 18:34:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:34:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:34:01 2 0.03 0.00 0.00 0.00 0.00 99.97 18:34:01 3 0.52 0.00 0.00 0.00 0.00 99.48 18:35:01 all 5.51 0.00 2.98 2.14 0.02 89.34 18:35:01 0 4.75 0.00 3.11 0.92 0.02 91.20 18:35:01 1 5.79 0.00 2.74 1.04 0.02 90.41 18:35:01 2 4.91 0.00 2.62 2.50 0.02 89.95 18:35:01 3 6.60 0.00 3.44 4.11 0.03 85.82 Average: all 1.69 0.00 0.92 0.51 0.01 96.88 Average: 0 1.51 0.00 1.03 0.42 0.00 97.04 Average: 1 1.69 0.00 0.83 0.24 0.00 97.23 Average: 2 1.58 0.00 0.79 0.52 0.01 97.11 Average: 3 1.98 0.00 1.02 0.86 0.01 96.13