---> uname -a: Linux prd-centos7-docker-4c-2g-25430.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: 2933.436 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 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/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-491 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-491@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 675 102 0 1058 1057 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:8b:83:e1 brd ff:ff:ff:ff:ff:ff inet 10.30.123.239/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe8b:83e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:30:71:ec:7e 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::42:30ff:fe71:ec7e/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) 02/08/21 _x86_64_ (4 CPU) 03:57:51 LINUX RESTART (4 CPU) 03:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:00:01 2.61 0.00 2.61 0.00 0.00 63.40 0.00 04:01:01 0.40 0.02 0.38 0.00 0.13 5.69 0.00 04:02:02 0.43 0.08 0.35 0.00 1.60 4.88 0.00 04:03:01 0.29 0.00 0.29 0.00 0.00 4.13 0.00 Average: 0.94 0.03 0.91 0.00 0.43 19.59 0.00 03:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:00:01 150340 0 560864 29.81 2620 1167720 1070176 36.52 403544 1126892 20 04:01:01 149112 0 562084 29.87 2620 1167728 1072780 36.61 402352 1129572 12 04:02:02 148588 0 562484 29.89 2620 1167852 1070684 36.54 407064 1125400 12 04:03:01 146920 0 563964 29.97 2620 1168040 1071048 36.55 407344 1127092 192 Average: 148740 0 562349 29.89 2620 1167835 1071172 36.56 405076 1127239 59 03:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:00:01 eth0 1.17 0.08 0.09 0.02 0.00 0.00 0.00 0.00 04:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 eth0 1.18 0.65 0.64 0.37 0.00 0.00 0.00 0.00 04:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:02 eth0 0.47 0.10 0.04 0.04 0.00 0.00 0.00 0.00 04:02:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 eth0 1.10 0.59 0.74 0.30 0.00 0.00 0.00 0.00 04:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.98 0.36 0.38 0.18 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 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 02/08/21 _x86_64_ (4 CPU) 03:57:51 LINUX RESTART (4 CPU) 03:59:01 CPU %user %nice %system %iowait %steal %idle 04:00:01 all 0.19 0.00 0.06 0.00 0.00 99.75 04:00:01 0 0.05 0.00 0.05 0.00 0.00 99.90 04:00:01 1 0.57 0.00 0.05 0.00 0.02 99.37 04:00:01 2 0.07 0.00 0.07 0.00 0.00 99.87 04:00:01 3 0.08 0.00 0.07 0.00 0.00 99.85 04:01:01 all 0.18 0.00 0.09 0.00 0.01 99.72 04:01:01 0 0.05 0.00 0.08 0.00 0.02 99.85 04:01:01 1 0.53 0.00 0.10 0.00 0.02 99.35 04:01:01 2 0.12 0.00 0.13 0.00 0.02 99.73 04:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:02:02 all 0.13 0.00 0.05 0.00 0.00 99.81 04:02:02 0 0.03 0.00 0.05 0.00 0.00 99.92 04:02:02 1 0.43 0.00 0.07 0.00 0.00 99.50 04:02:02 2 0.03 0.00 0.05 0.00 0.00 99.92 04:02:02 3 0.03 0.00 0.05 0.00 0.00 99.92 04:03:01 all 0.17 0.00 0.03 0.00 0.01 99.80 04:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:03:01 1 0.51 0.00 0.02 0.00 0.00 99.47 04:03:01 2 0.05 0.00 0.03 0.00 0.02 99.90 04:03:01 3 0.07 0.00 0.02 0.00 0.02 99.90 Average: all 0.17 0.00 0.06 0.00 0.01 99.77 Average: 0 0.04 0.00 0.05 0.00 0.00 99.90 Average: 1 0.51 0.00 0.06 0.00 0.01 99.42 Average: 2 0.07 0.00 0.07 0.00 0.01 99.85 Average: 3 0.05 0.00 0.04 0.00 0.00 99.90