---> uname -a: Linux prd-centos7-docker-4c-2g-6260.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% /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-346 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-346@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 114 0 1067 1080 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:38:74:a9 brd ff:ff:ff:ff:ff:ff inet 10.30.123.223/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85990sec preferred_lft 85990sec inet6 fe80::f816:3eff:fe38:74a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:54:38:72:f6 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::42:54ff:fe38:72f6/64 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) 08:48:24 LINUX RESTART (4 CPU) 08:49:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 66.67 15.12 51.55 0.00 4959.04 5069.41 0.00 08:51:02 0.82 0.00 0.82 0.00 0.00 19.42 0.00 08:52:01 0.27 0.00 0.27 0.00 0.00 3.10 0.00 08:53:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 08:54:01 0.23 0.00 0.23 0.00 0.00 3.55 0.00 08:55:01 0.40 0.12 0.28 0.00 8.39 3.93 0.00 Average: 11.47 2.55 8.92 0.00 830.46 852.99 0.00 08:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 174968 0 556548 29.58 2620 1147420 1136272 38.78 404580 1140312 128 08:51:02 180948 0 550560 29.26 2620 1147428 1094236 37.34 402540 1137040 8 08:52:01 181192 0 550312 29.25 2620 1147432 1094252 37.34 403808 1135972 8 08:53:01 180828 0 550676 29.27 2620 1147432 1078964 36.82 405104 1135132 8 08:54:01 180568 0 550928 29.28 2620 1147440 1078988 36.82 407388 1133072 12 08:55:01 171004 0 560092 29.77 2620 1147840 1080748 36.88 417752 1125816 160 Average: 178251 0 553186 29.40 2620 1147499 1093910 37.33 406862 1134557 54 08:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 eth0 311.32 203.26 751.78 77.28 0.00 0.00 0.00 0.00 08:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 docker0 4.35 3.23 1.08 12.09 0.00 0.00 0.00 0.00 08:51:02 eth0 1.00 0.28 0.32 0.17 0.00 0.00 0.00 0.00 08:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 eth0 2.02 0.36 0.42 0.24 0.00 0.00 0.00 0.00 08:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 eth0 0.82 0.43 0.31 0.21 0.00 0.00 0.00 0.00 08:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 eth0 1.30 0.40 0.40 0.24 0.00 0.00 0.00 0.00 08:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 eth0 5.60 3.63 5.14 2.15 0.00 0.00 0.00 0.00 08:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 53.83 34.83 126.78 13.42 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 0.73 0.54 0.18 2.02 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) 08:48:24 LINUX RESTART (4 CPU) 08:49:01 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 7.16 0.00 2.35 2.24 0.02 88.23 08:50:01 0 8.54 0.00 2.34 0.62 0.02 88.48 08:50:01 1 5.20 0.00 2.69 2.88 0.02 89.21 08:50:01 2 7.35 0.00 2.07 1.17 0.03 89.37 08:50:01 3 7.56 0.00 2.28 4.29 0.02 85.86 08:51:02 all 0.16 0.00 0.03 0.00 0.00 99.81 08:51:02 0 0.02 0.00 0.02 0.00 0.00 99.97 08:51:02 1 0.05 0.00 0.05 0.00 0.00 99.90 08:51:02 2 0.53 0.00 0.02 0.00 0.00 99.45 08:51:02 3 0.03 0.00 0.03 0.00 0.00 99.93 08:52:01 all 0.15 0.00 0.02 0.00 0.00 99.83 08:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:52:01 1 0.07 0.00 0.02 0.00 0.00 99.92 08:52:01 2 0.25 0.00 0.03 0.00 0.00 99.71 08:52:01 3 0.25 0.00 0.02 0.00 0.00 99.73 08:53:01 all 0.14 0.00 0.02 0.00 0.00 99.84 08:53:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:53:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:53:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:53:01 3 0.47 0.00 0.02 0.00 0.00 99.52 08:54:01 all 0.15 0.00 0.03 0.00 0.01 99.81 08:54:01 0 0.17 0.00 0.02 0.00 0.02 99.80 08:54:01 1 0.03 0.00 0.03 0.00 0.02 99.92 08:54:01 2 0.03 0.00 0.05 0.00 0.00 99.92 08:54:01 3 0.37 0.00 0.02 0.00 0.02 99.60 08:55:01 all 0.49 0.00 0.26 0.00 0.00 99.25 08:55:01 0 0.73 0.00 0.18 0.00 0.00 99.08 08:55:01 1 0.42 0.00 0.30 0.00 0.00 99.28 08:55:01 2 0.25 0.00 0.18 0.02 0.00 99.55 08:55:01 3 0.55 0.00 0.37 0.00 0.00 99.08 Average: all 1.37 0.00 0.45 0.37 0.01 97.80 Average: 0 1.58 0.00 0.43 0.10 0.01 97.88 Average: 1 0.97 0.00 0.52 0.48 0.01 98.02 Average: 2 1.41 0.00 0.40 0.20 0.01 97.99 Average: 3 1.54 0.00 0.45 0.71 0.01 97.29