---> uname -a: Linux prd-centos7-docker-4c-2g-10306.vexxhost.local 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% /facter-os /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% /var/log/secure /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/auth.log /dev/vda1 50.0G 7.8G 42.2G 16% /run/cloud-init/result.json /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/exfoundry_go-mod-messaging_PR-75 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/exfoundry_go-mod-messaging_PR-75@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 754 140 0 942 990 Swap: 1023 1 1022 ---> 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:98:42:2d brd ff:ff:ff:ff:ff:ff inet 10.30.123.241/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86014sec preferred_lft 86014sec inet6 fe80::f816:3eff:fe98:422d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:99:8c:e3:a4 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::42:99ff:fe8c:e3a4/64 scope link 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) 11/02/20 _x86_64_ (4 CPU) 15:35:13 LINUX RESTART (4 CPU) 15:36:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:37:01 65.41 19.42 45.99 0.00 5448.08 4808.84 0.00 15:38:01 252.30 127.25 125.05 0.00 6919.29 29751.89 0.00 15:39:01 29.94 13.90 16.05 0.00 1193.08 1828.51 0.00 15:40:01 2.11 0.20 1.91 0.00 6.39 42.99 0.00 15:41:01 0.20 0.00 0.20 0.00 0.00 2.63 0.00 Average: 70.07 32.19 37.88 0.00 2716.27 7295.25 0.00 15:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:37:01 109900 0 620104 32.96 2620 1148932 1403496 47.90 497180 1109136 28644 15:38:01 89248 0 849604 45.15 2596 940108 1954588 66.71 679868 894220 15020 15:39:01 316656 0 635836 33.79 2596 926468 1119132 38.19 540260 815928 20 15:40:01 316392 0 636096 33.81 2596 926472 1119132 38.19 546276 811060 12 15:41:01 319960 0 632524 33.62 2596 926476 1083116 36.96 557128 797708 8 Average: 230431 0 674833 35.87 2601 973691 1335893 45.59 564142 885610 8741 15:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:37:01 eth0 274.53 211.45 1412.73 92.23 0.00 0.00 0.00 0.00 15:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 docker0 1.11 1.13 0.30 2.53 0.00 0.00 0.00 0.00 15:38:01 veth8ac4c7e 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:38:01 eth0 321.75 262.77 2770.07 31.69 0.00 0.00 0.00 0.00 15:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 docker0 40.42 55.14 3.09 326.65 0.00 0.00 0.00 0.00 15:39:01 eth0 11.80 8.90 10.09 4.99 0.00 0.00 0.00 0.00 15:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 eth0 0.75 0.68 1.22 0.08 0.00 0.00 0.00 0.00 15:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 15:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 121.94 96.89 839.85 25.83 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 8.32 11.27 0.68 65.92 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) 11/02/20 _x86_64_ (4 CPU) 15:35:13 LINUX RESTART (4 CPU) 15:36:01 CPU %user %nice %system %iowait %steal %idle 15:37:01 all 10.82 0.00 4.29 1.47 24.35 59.06 15:37:01 0 8.48 0.00 3.99 0.50 26.15 60.89 15:37:01 1 13.29 0.00 4.34 2.31 25.02 55.04 15:37:01 2 11.76 0.00 4.65 2.13 23.14 58.32 15:37:01 3 9.87 0.00 4.21 1.01 23.05 61.86 15:38:01 all 10.96 0.00 6.15 2.47 16.58 63.84 15:38:01 0 9.15 0.00 5.76 1.95 17.47 65.68 15:38:01 1 11.01 0.00 6.73 2.48 16.35 63.42 15:38:01 2 10.47 0.00 5.97 2.13 15.86 65.57 15:38:01 3 13.25 0.00 6.17 3.31 16.61 60.66 15:39:01 all 7.15 0.00 2.71 0.22 3.12 86.80 15:39:01 0 6.75 0.00 2.82 0.20 2.95 87.28 15:39:01 1 6.90 0.00 2.86 0.27 3.30 86.66 15:39:01 2 7.19 0.00 2.57 0.18 2.99 87.07 15:39:01 3 7.74 0.00 2.58 0.24 3.24 86.20 15:40:01 all 0.08 0.00 0.03 0.00 0.14 99.74 15:40:01 0 0.03 0.00 0.02 0.00 0.12 99.83 15:40:01 1 0.03 0.00 0.02 0.00 0.08 99.87 15:40:01 2 0.07 0.00 0.05 0.00 0.22 99.67 15:40:01 3 0.20 0.00 0.05 0.00 0.15 99.60 15:41:01 all 0.10 0.00 0.06 0.00 0.51 99.34 15:41:01 0 0.02 0.00 0.03 0.00 0.51 99.44 15:41:01 1 0.10 0.00 0.17 0.00 0.73 99.00 15:41:01 2 0.03 0.00 0.02 0.00 0.53 99.42 15:41:01 3 0.23 0.00 0.03 0.00 0.25 99.48 Average: all 5.86 0.00 2.66 0.84 9.10 81.54 Average: 0 4.93 0.00 2.54 0.53 9.71 82.28 Average: 1 6.30 0.00 2.83 1.02 9.19 80.67 Average: 2 5.94 0.00 2.66 0.90 8.66 81.84 Average: 3 6.28 0.00 2.62 0.91 8.82 81.38