---> uname -a: Linux prd-centos7-docker-4c-2g-15096.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: 2933.438 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 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/dry_go-mod-core-contracts_PR-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 719 86 0 1031 1012 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:d1:86:ff brd ff:ff:ff:ff:ff:ff inet 10.30.122.251/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86019sec preferred_lft 86019sec inet6 fe80::f816:3eff:fed1:86ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:42:33:4a:d8 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::42:42ff:fe33:4ad8/64 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) 12/08/20 _x86_64_ (4 CPU) 12:08:00 LINUX RESTART (4 CPU) 12:09:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:01 52.00 14.29 37.72 0.00 4651.09 2548.22 0.00 12:11:01 1.98 0.00 1.98 0.00 0.00 40.63 0.00 12:12:01 0.18 0.00 0.18 0.00 0.00 2.03 0.00 12:13:01 0.28 0.00 0.28 0.00 0.00 4.03 0.00 12:14:02 49.93 47.71 2.21 0.00 4243.26 54.66 0.00 Average: 20.78 12.40 8.38 0.00 1770.23 523.45 0.00 12:09:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 176812 0 609420 32.39 2620 1092692 1126328 38.44 426792 1078012 132 12:11:01 182332 0 603892 32.10 2620 1092700 1073228 36.63 429924 1070636 20 12:12:01 178744 0 607476 32.29 2620 1092704 1073504 36.64 432836 1071288 20 12:13:01 177660 0 608560 32.34 2620 1092704 1073528 36.64 438124 1067688 8 12:14:02 64968 0 676360 35.95 2620 1137596 1503460 51.31 512272 1102628 28788 Average: 156103 0 621142 33.01 2620 1101679 1170010 39.93 447990 1078050 5794 12:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 eth0 116.55 90.96 502.65 49.87 0.00 0.00 0.00 0.00 12:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 docker0 6.27 5.58 1.31 14.07 0.00 0.00 0.00 0.00 12:11:01 eth0 0.78 0.08 0.06 0.02 0.00 0.00 0.00 0.00 12:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 eth0 1.98 1.28 3.16 0.26 0.00 0.00 0.00 0.00 12:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:13:01 eth0 0.62 0.42 0.30 0.21 0.00 0.00 0.00 0.00 12:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:14:02 eth0 58.37 42.46 447.15 8.68 0.00 0.00 0.00 0.00 12:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:14:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.41 26.84 189.72 11.69 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 1.24 1.10 0.26 2.78 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) 12/08/20 _x86_64_ (4 CPU) 12:08:00 LINUX RESTART (4 CPU) 12:09:02 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 3.16 0.00 2.68 1.40 7.45 85.32 12:10:01 0 3.07 0.00 3.04 1.53 7.70 84.67 12:10:01 1 2.62 0.00 2.32 0.94 6.85 87.27 12:10:01 2 3.33 0.00 3.02 2.21 7.64 83.80 12:10:01 3 3.61 0.00 2.33 0.92 7.62 85.52 12:11:01 all 0.12 0.00 0.08 0.00 0.30 99.49 12:11:01 0 0.22 0.00 0.07 0.00 0.27 99.45 12:11:01 1 0.12 0.00 0.08 0.00 0.18 99.62 12:11:01 2 0.12 0.00 0.12 0.00 0.60 99.17 12:11:01 3 0.05 0.00 0.07 0.00 0.15 99.73 12:12:01 all 0.16 0.00 0.12 0.00 0.61 99.12 12:12:01 0 0.42 0.00 0.15 0.00 0.66 98.77 12:12:01 1 0.03 0.00 0.12 0.00 0.66 99.19 12:12:01 2 0.12 0.00 0.07 0.00 0.66 99.15 12:12:01 3 0.08 0.00 0.13 0.00 0.43 99.35 12:13:01 all 0.10 0.00 0.05 0.00 0.27 99.58 12:13:01 0 0.32 0.00 0.05 0.00 0.50 99.14 12:13:01 1 0.03 0.00 0.07 0.00 0.13 99.77 12:13:01 2 0.03 0.00 0.05 0.00 0.30 99.62 12:13:01 3 0.02 0.00 0.03 0.00 0.17 99.78 12:14:02 all 1.53 0.00 1.06 1.09 2.04 94.28 12:14:02 0 1.62 0.00 0.87 0.37 2.09 95.06 12:14:02 1 1.95 0.00 1.23 1.80 1.79 93.22 12:14:02 2 1.38 0.00 1.21 0.81 2.21 94.38 12:14:02 3 1.18 0.00 0.92 1.37 2.08 94.45 Average: all 1.01 0.00 0.79 0.50 2.13 95.57 Average: 0 1.12 0.00 0.83 0.38 2.23 95.44 Average: 1 0.95 0.00 0.76 0.55 1.92 95.82 Average: 2 0.99 0.00 0.89 0.60 2.27 95.24 Average: 3 0.98 0.00 0.69 0.46 2.08 95.79