---> uname -a: Linux prd-centos7-docker-4c-2g-11686.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% /w/workspace/dry_go-mod-core-contracts_PR-365 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-365@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 689 111 0 1036 1044 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:f0:56:4c brd ff:ff:ff:ff:ff:ff inet 10.30.123.185/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fef0:564c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:74:d5:e4:66 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::42:74ff:fed5:e466/64 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) 11/10/20 _x86_64_ (4 CPU) 05:58:50 LINUX RESTART (4 CPU) 06:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:01:01 9.86 2.25 7.61 0.00 110.54 219.39 0.00 06:02:01 0.65 0.08 0.57 0.00 1.60 10.39 0.00 06:03:01 67.02 40.70 26.32 0.00 4215.75 12689.26 0.00 Average: 25.84 14.34 11.50 0.00 1442.55 4306.11 0.00 06:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:01:01 153108 0 595464 31.65 2620 1130364 1116868 38.12 464128 1102836 20 06:02:01 159296 0 589148 31.31 2620 1130492 1079908 36.86 462236 1100116 8 06:03:01 69744 0 700636 37.24 2620 1108556 1529640 52.20 597324 1023316 55244 Average: 127383 0 628416 33.40 2620 1123137 1242139 42.39 507896 1075423 18424 06:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:01:01 eth0 7.76 5.73 6.74 6.31 0.00 0.00 0.00 0.00 06:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 eth0 4.18 2.20 3.07 0.14 0.00 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 eth0 197.34 163.34 2165.99 16.03 0.00 0.00 0.00 0.00 06:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 69.75 57.09 725.23 7.49 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 0.01 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) 11/10/20 _x86_64_ (4 CPU) 05:58:50 LINUX RESTART (4 CPU) 06:00:01 CPU %user %nice %system %iowait %steal %idle 06:01:01 all 0.82 0.00 0.19 0.22 0.01 98.76 06:01:01 0 0.93 0.00 0.13 0.03 0.00 98.90 06:01:01 1 0.50 0.00 0.17 0.02 0.02 99.30 06:01:01 2 0.82 0.00 0.22 0.07 0.00 98.90 06:01:01 3 1.03 0.00 0.25 0.75 0.02 97.95 06:02:01 all 0.19 0.00 0.08 0.00 0.00 99.73 06:02:01 0 0.05 0.00 0.07 0.00 0.00 99.88 06:02:01 1 0.12 0.00 0.10 0.00 0.00 99.78 06:02:01 2 0.52 0.00 0.08 0.02 0.00 99.38 06:02:01 3 0.07 0.00 0.08 0.00 0.00 99.85 06:03:01 all 4.33 0.00 2.80 0.99 0.03 91.85 06:03:01 0 4.77 0.00 2.75 0.25 0.03 92.20 06:03:01 1 3.99 0.00 2.37 0.57 0.03 93.03 06:03:01 2 4.09 0.00 3.37 0.96 0.03 91.55 06:03:01 3 4.45 0.00 2.72 2.20 0.02 90.62 Average: all 1.77 0.00 1.02 0.40 0.01 96.79 Average: 0 1.91 0.00 0.98 0.09 0.01 97.01 Average: 1 1.53 0.00 0.87 0.19 0.02 97.38 Average: 2 1.80 0.00 1.22 0.35 0.01 96.62 Average: 3 1.84 0.00 1.01 0.98 0.01 96.15