---> uname -a: Linux prd-centos7-docker-4c-2g-6138.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/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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 665 107 0 1064 1069 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:b0:68:18 brd ff:ff:ff:ff:ff:ff inet 10.30.123.212/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86002sec preferred_lft 86002sec inet6 fe80::f816:3eff:feb0:6818/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:09:9e:f7:ab 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::42:9ff:fe9e:f7ab/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) 02:42:38 LINUX RESTART (4 CPU) 02:43:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:44:01 158.45 65.04 93.41 0.00 8486.37 40359.39 0.00 02:45:01 3.81 0.00 3.81 0.00 0.00 130.14 0.00 02:46:01 0.43 0.00 0.43 0.00 0.00 7.01 0.00 02:47:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 02:48:01 0.23 0.00 0.23 0.00 0.00 3.48 0.00 02:49:01 0.38 0.05 0.33 0.00 6.00 4.86 0.00 Average: 27.27 10.85 16.42 0.00 1416.26 6755.41 0.00 02:43:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:44:01 165004 0 567668 30.17 2620 1146264 1133932 38.70 430244 1124108 128 02:45:01 165812 0 566768 30.12 2620 1146356 1133712 38.69 430760 1123328 16 02:46:01 169908 0 562668 29.90 2620 1146360 1081116 36.90 430076 1121036 12 02:47:01 171040 0 561536 29.84 2620 1146360 1080948 36.89 429392 1121036 8 02:48:01 168228 0 564340 29.99 2620 1146368 1081092 36.90 436968 1116160 8 02:49:01 155828 0 576552 30.64 2620 1146556 1094792 37.36 444352 1115244 8 Average: 165970 0 566589 30.11 2620 1146377 1100932 37.57 433632 1120152 30 02:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:44:01 eth0 530.19 353.29 1071.22 99.87 0.00 0.00 0.00 0.00 02:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:44:01 docker0 6.56 5.03 1.22 12.15 0.00 0.00 0.00 0.00 02:45:01 eth0 1.82 0.68 0.64 0.37 0.00 0.00 0.00 0.00 02:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 eth0 1.57 0.57 0.68 0.39 0.00 0.00 0.00 0.00 02:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 eth0 0.68 0.08 0.06 0.04 0.00 0.00 0.00 0.00 02:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 eth0 1.75 0.28 0.38 0.20 0.00 0.00 0.00 0.00 02:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 eth0 3.41 2.21 3.39 1.13 0.00 0.00 0.00 0.00 02:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 89.96 59.56 179.50 17.01 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 1.09 0.84 0.20 2.03 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) 02:42:38 LINUX RESTART (4 CPU) 02:43:01 CPU %user %nice %system %iowait %steal %idle 02:44:01 all 15.31 0.00 8.23 7.51 0.03 68.93 02:44:01 0 13.96 0.00 9.36 8.47 0.02 68.19 02:44:01 1 15.12 0.00 7.43 4.89 0.03 72.51 02:44:01 2 16.61 0.00 8.17 5.78 0.03 69.40 02:44:01 3 15.54 0.00 7.94 10.90 0.03 65.59 02:45:01 all 0.16 0.00 0.04 0.00 0.00 99.80 02:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:45:01 1 0.50 0.00 0.05 0.00 0.00 99.45 02:45:01 2 0.08 0.00 0.07 0.00 0.00 99.85 02:45:01 3 0.03 0.00 0.02 0.00 0.00 99.95 02:46:01 all 0.19 0.00 0.04 0.00 0.00 99.77 02:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:46:01 1 0.58 0.00 0.02 0.00 0.00 99.40 02:46:01 2 0.10 0.00 0.07 0.00 0.00 99.83 02:46:01 3 0.03 0.00 0.05 0.00 0.00 99.92 02:47:01 all 0.12 0.00 0.03 0.00 0.00 99.85 02:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:47:01 1 0.40 0.00 0.02 0.00 0.00 99.58 02:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 02:47:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:48:01 all 0.16 0.00 0.05 0.00 0.00 99.79 02:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 02:48:01 1 0.53 0.00 0.08 0.00 0.00 99.38 02:48:01 2 0.07 0.00 0.05 0.00 0.00 99.88 02:48:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:49:01 all 0.22 0.00 0.12 0.00 0.00 99.66 02:49:01 0 0.17 0.00 0.22 0.00 0.00 99.62 02:49:01 1 0.57 0.00 0.13 0.00 0.00 99.30 02:49:01 2 0.12 0.00 0.07 0.00 0.00 99.82 02:49:01 3 0.03 0.00 0.07 0.00 0.00 99.90 Average: all 2.67 0.00 1.41 1.24 0.00 94.68 Average: 0 2.35 0.00 1.60 1.40 0.00 94.64 Average: 1 2.93 0.00 1.28 0.81 0.01 94.97 Average: 2 2.82 0.00 1.40 0.96 0.01 94.82 Average: 3 2.59 0.00 1.34 1.80 0.01 94.27