---> uname -a: Linux prd-centos7-docker-4c-2g-7005.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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /facter-os /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-345 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-345@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 652 110 0 1074 1082 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:9d:06:91 brd ff:ff:ff:ff:ff:ff inet 10.30.123.71/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fe9d:691/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:db:31:2e:f0 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:dbff:fe31:2ef0/64 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) 10/20/20 _x86_64_ (4 CPU) 16:16:33 LINUX RESTART (4 CPU) 16:17:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:18:02 179.53 93.19 86.34 0.00 11466.02 40666.82 0.00 16:19:01 9.23 2.82 6.41 0.00 147.34 182.29 0.00 16:20:01 1.80 0.00 1.80 0.00 0.00 35.08 0.00 16:21:01 0.35 0.00 0.35 0.00 0.00 5.72 0.00 16:22:01 0.30 0.00 0.30 0.00 0.00 5.13 0.00 16:23:01 86.58 59.33 27.25 0.00 4287.43 9183.70 0.00 Average: 46.06 25.78 20.27 0.00 2634.18 8284.81 0.00 16:17:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:18:02 139780 0 587932 31.25 2620 1151224 1448816 49.45 431820 1146508 52 16:19:01 168100 0 553984 29.44 2620 1156852 1144908 39.07 417864 1133812 20 16:20:01 177124 0 544956 28.96 2620 1156856 1081504 36.91 412304 1131636 8 16:21:01 174788 0 547292 29.09 2620 1156856 1081716 36.92 415288 1131384 8 16:22:01 174372 0 547696 29.11 2620 1156868 1081716 36.92 422168 1124832 8 16:23:01 71352 0 659896 35.07 2620 1147688 1507572 51.45 545204 1076556 70452 Average: 150919 0 573626 30.49 2620 1154391 1224372 41.79 440775 1124121 11758 16:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:18:02 veth30eb2c9 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 16:18:02 eth0 263.13 182.27 1040.64 68.53 0.00 0.00 0.00 0.00 16:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:02 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 eth0 22.10 21.02 33.65 23.73 0.00 0.00 0.00 0.00 16:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 docker0 5.38 3.40 1.17 12.59 0.00 0.00 0.00 0.00 16:20:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 0.00 16:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 eth0 1.16 0.33 0.41 0.17 0.00 0.00 0.00 0.00 16:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 eth0 0.52 0.32 0.27 0.23 0.00 0.00 0.00 0.00 16:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 eth0 204.24 171.04 2172.02 19.48 0.00 0.00 0.00 0.00 16:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 81.69 62.32 541.39 18.55 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 0.89 0.57 0.19 2.08 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) 10/20/20 _x86_64_ (4 CPU) 16:16:33 LINUX RESTART (4 CPU) 16:17:02 CPU %user %nice %system %iowait %steal %idle 16:18:02 all 14.96 0.00 8.96 7.61 13.53 54.93 16:18:02 0 14.13 0.00 8.05 8.74 14.68 54.40 16:18:02 1 13.44 0.00 10.74 5.61 12.41 57.81 16:18:02 2 14.88 0.00 7.72 8.18 13.42 55.79 16:18:02 3 17.49 0.00 9.35 7.93 13.62 51.61 16:19:01 all 1.01 0.00 0.68 0.05 1.44 96.82 16:19:01 0 1.34 0.00 0.71 0.00 1.44 96.50 16:19:01 1 1.02 0.00 0.80 0.07 1.30 96.82 16:19:01 2 0.90 0.00 0.59 0.05 1.62 96.84 16:19:01 3 0.80 0.00 0.61 0.07 1.40 97.12 16:20:01 all 0.09 0.00 0.07 0.00 0.51 99.34 16:20:01 0 0.08 0.00 0.07 0.00 0.75 99.10 16:20:01 1 0.02 0.00 0.05 0.00 0.55 99.39 16:20:01 2 0.23 0.00 0.10 0.00 0.56 99.10 16:20:01 3 0.02 0.00 0.05 0.00 0.18 99.75 16:21:01 all 0.12 0.00 0.04 0.00 0.28 99.56 16:21:01 0 0.05 0.00 0.02 0.00 0.20 99.73 16:21:01 1 0.08 0.00 0.03 0.00 0.35 99.53 16:21:01 2 0.05 0.00 0.05 0.00 0.22 99.68 16:21:01 3 0.30 0.00 0.05 0.00 0.35 99.30 16:22:01 all 0.10 0.00 0.05 0.00 0.15 99.70 16:22:01 0 0.03 0.00 0.00 0.00 0.03 99.93 16:22:01 1 0.05 0.00 0.07 0.00 0.32 99.57 16:22:01 2 0.03 0.00 0.08 0.00 0.05 99.83 16:22:01 3 0.28 0.00 0.05 0.00 0.22 99.45 16:23:01 all 3.01 0.00 2.14 1.31 5.32 88.21 16:23:01 0 2.73 0.00 2.21 0.76 5.05 89.26 16:23:01 1 2.72 0.00 2.12 2.32 5.48 87.37 16:23:01 2 2.50 0.00 1.64 0.51 5.75 89.59 16:23:01 3 4.11 0.00 2.62 1.68 4.98 86.61 Average: all 3.15 0.00 1.95 1.46 3.48 89.96 Average: 0 3.00 0.00 1.81 1.55 3.63 90.00 Average: 1 2.83 0.00 2.26 1.31 3.35 90.25 Average: 2 3.06 0.00 1.68 1.44 3.58 90.24 Average: 3 3.70 0.00 2.05 1.55 3.35 89.35