---> uname -a: Linux prd-centos7-docker-4c-2g-6107.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: 2933.436 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/sa-host /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-348 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-348@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 699 116 0 1021 1035 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:de:90:b9 brd ff:ff:ff:ff:ff:ff inet 10.30.123.232/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fede:90b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:91:37:c2: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::42:91ff:fe37:c2a4/64 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) 10/19/20 _x86_64_ (4 CPU) 00:57:50 LINUX RESTART (4 CPU) 00:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 5.53 1.62 3.91 0.00 98.30 125.97 0.00 01:01:01 0.45 0.05 0.40 0.00 0.67 5.71 0.00 01:02:01 0.48 0.08 0.40 0.00 1.60 6.78 0.00 01:03:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 01:04:01 111.06 62.71 48.35 0.00 6023.68 15653.09 0.00 Average: 23.62 12.93 10.69 0.00 1228.88 3169.40 0.00 00:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 148048 0 602400 32.02 2620 1128488 1117908 38.15 460120 1112340 16 01:01:01 152796 0 597644 31.76 2620 1128496 1082716 36.95 461468 1107264 8 01:02:01 153056 0 597244 31.74 2620 1128636 1080980 36.89 461712 1107336 8 01:03:01 152840 0 597456 31.75 2620 1128640 1080812 36.89 468128 1101072 8 01:04:01 178244 0 697552 37.07 2620 1003140 1268420 43.29 453196 1028884 51048 Average: 156997 0 618459 32.87 2620 1103480 1126167 38.43 460925 1091379 10218 00:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 eth0 9.31 5.59 8.23 4.89 0.00 0.00 0.00 0.00 01:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 eth0 1.33 0.28 0.46 0.02 0.00 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 eth0 1.18 0.67 0.56 0.40 0.00 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 eth0 216.42 168.38 2167.62 19.36 0.00 0.00 0.00 0.00 01:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 45.81 35.11 436.83 4.95 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 0.00 0.00 0.00 0.00 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) 10/19/20 _x86_64_ (4 CPU) 00:57:50 LINUX RESTART (4 CPU) 00:59:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.50 0.00 0.12 0.03 0.01 99.35 01:00:01 0 0.68 0.00 0.08 0.00 0.02 99.22 01:00:01 1 0.35 0.00 0.13 0.05 0.02 99.45 01:00:01 2 0.63 0.00 0.15 0.00 0.00 99.22 01:00:01 3 0.33 0.00 0.10 0.05 0.02 99.50 01:01:01 all 0.17 0.00 0.07 0.00 0.00 99.75 01:01:01 0 0.07 0.00 0.07 0.02 0.00 99.85 01:01:01 1 0.10 0.00 0.07 0.00 0.00 99.83 01:01:01 2 0.47 0.00 0.07 0.00 0.00 99.47 01:01:01 3 0.07 0.00 0.07 0.00 0.00 99.87 01:02:01 all 0.16 0.00 0.04 0.00 0.00 99.80 01:02:01 0 0.07 0.00 0.07 0.00 0.00 99.87 01:02:01 1 0.05 0.00 0.02 0.00 0.00 99.93 01:02:01 2 0.48 0.00 0.05 0.00 0.00 99.47 01:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:03:01 all 0.15 0.00 0.04 0.00 0.00 99.81 01:03:01 0 0.05 0.00 0.07 0.00 0.00 99.88 01:03:01 1 0.00 0.00 0.07 0.00 0.00 99.93 01:03:01 2 0.52 0.00 0.02 0.00 0.00 99.47 01:03:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:04:01 all 5.76 0.00 3.76 1.44 0.06 88.98 01:04:01 0 5.81 0.00 3.52 0.62 0.07 89.98 01:04:01 1 6.60 0.00 4.59 2.42 0.05 86.34 01:04:01 2 4.98 0.00 3.39 0.25 0.05 91.33 01:04:01 3 5.67 0.00 3.53 2.46 0.07 88.28 Average: all 1.34 0.00 0.80 0.29 0.01 97.55 Average: 0 1.33 0.00 0.76 0.13 0.02 97.77 Average: 1 1.41 0.00 0.97 0.49 0.01 97.12 Average: 2 1.41 0.00 0.73 0.05 0.01 97.80 Average: 3 1.22 0.00 0.74 0.50 0.02 97.53