---> uname -a: Linux prd-centos7-docker-4c-2g-11921.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% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-367 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-367@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 ---> free -m: total used free shared buff/cache available Mem: 1837 689 111 0 1036 1045 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:b0:5d:20 brd ff:ff:ff:ff:ff:ff inet 10.30.123.1/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85966sec preferred_lft 85966sec inet6 fe80::f816:3eff:feb0:5d20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:a8:3b:5e:8c 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:a8ff:fe3b:5e8c/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) 11/12/20 _x86_64_ (4 CPU) 05:46:57 LINUX RESTART (4 CPU) 05:48:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:49:01 29.77 10.20 19.56 0.00 4381.95 2491.11 0.00 05:50:01 0.63 0.00 0.63 0.00 0.00 10.35 0.00 05:51:01 0.18 0.00 0.18 0.00 0.00 2.16 0.00 05:52:01 0.18 0.00 0.18 0.00 0.00 2.15 0.00 05:53:01 0.35 0.00 0.35 0.00 0.00 4.78 0.00 05:54:02 39.54 39.15 0.40 0.00 4212.97 6.87 0.00 Average: 11.80 8.26 3.55 0.00 1435.26 419.12 0.00 05:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:49:01 135916 0 587276 31.21 2620 1155744 1130120 38.57 449296 1135004 20 05:50:01 140628 0 582560 30.96 2620 1155748 1099648 37.53 447940 1132536 8 05:51:01 141196 0 581984 30.93 2620 1155756 1076196 36.73 448912 1131664 8 05:52:01 141240 0 581936 30.93 2620 1155760 1076232 36.73 448988 1131664 16 05:53:01 141504 0 581664 30.91 2620 1155768 1076124 36.73 448580 1131664 12 05:54:02 66572 0 661904 35.18 2620 1150460 1496004 51.06 522092 1129100 10244 Average: 127843 0 596221 31.69 2620 1154873 1159054 39.56 460968 1131939 1718 05:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:49:01 eth0 73.21 61.91 355.11 40.12 0.00 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 5.49 3.76 1.18 12.85 0.00 0.00 0.00 0.00 05:50:01 eth0 1.38 0.45 0.66 0.21 0.00 0.00 0.00 0.00 05:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 eth0 1.12 0.50 0.47 0.21 0.00 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 eth0 0.73 0.32 0.30 0.20 0.00 0.00 0.00 0.00 05:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 eth0 0.33 0.25 0.17 0.08 0.00 0.00 0.00 0.00 05:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:02 eth0 32.68 23.81 182.45 7.08 0.00 0.00 0.00 0.00 05:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 18.26 14.55 89.95 7.98 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 0.91 0.63 0.20 2.14 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) 11/12/20 _x86_64_ (4 CPU) 05:46:57 LINUX RESTART (4 CPU) 05:48:01 CPU %user %nice %system %iowait %steal %idle 05:49:01 all 2.39 0.00 2.02 0.49 2.40 92.70 05:49:01 0 2.49 0.00 1.59 0.28 2.67 92.96 05:49:01 1 2.39 0.00 1.88 0.40 2.15 93.18 05:49:01 2 2.03 0.00 2.14 1.07 2.26 92.50 05:49:01 3 2.66 0.00 2.46 0.20 2.51 92.17 05:50:01 all 0.15 0.00 0.06 0.00 0.09 99.70 05:50:01 0 0.42 0.00 0.03 0.00 0.12 99.43 05:50:01 1 0.03 0.00 0.07 0.00 0.08 99.82 05:50:01 2 0.08 0.00 0.07 0.00 0.12 99.73 05:50:01 3 0.05 0.00 0.07 0.00 0.05 99.83 05:51:01 all 0.13 0.00 0.03 0.00 0.26 99.58 05:51:01 0 0.30 0.00 0.03 0.00 0.48 99.18 05:51:01 1 0.12 0.00 0.03 0.00 0.13 99.72 05:51:01 2 0.08 0.00 0.03 0.00 0.30 99.58 05:51:01 3 0.02 0.00 0.02 0.00 0.12 99.85 05:52:01 all 0.11 0.00 0.04 0.00 0.22 99.63 05:52:01 0 0.33 0.00 0.03 0.00 0.42 99.22 05:52:01 1 0.05 0.00 0.05 0.00 0.13 99.77 05:52:01 2 0.03 0.00 0.05 0.00 0.15 99.77 05:52:01 3 0.03 0.00 0.02 0.00 0.20 99.75 05:53:01 all 0.11 0.00 0.03 0.00 0.18 99.68 05:53:01 0 0.33 0.00 0.03 0.00 0.22 99.42 05:53:01 1 0.03 0.00 0.02 0.00 0.20 99.75 05:53:01 2 0.03 0.00 0.03 0.00 0.10 99.83 05:53:01 3 0.03 0.00 0.03 0.00 0.22 99.72 05:54:02 all 1.57 0.00 0.78 0.79 1.29 95.57 05:54:02 0 1.64 0.00 0.90 0.86 1.38 95.22 05:54:02 1 1.81 0.00 1.09 1.87 1.05 94.18 05:54:02 2 2.14 0.00 0.73 0.43 1.13 95.57 05:54:02 3 0.69 0.00 0.41 0.02 1.58 97.29 Average: all 0.74 0.00 0.49 0.21 0.74 97.82 Average: 0 0.92 0.00 0.44 0.19 0.88 97.57 Average: 1 0.73 0.00 0.52 0.38 0.62 97.74 Average: 2 0.73 0.00 0.51 0.25 0.67 97.83 Average: 3 0.58 0.00 0.50 0.04 0.78 98.11