---> uname -a: Linux prd-centos7-docker-4c-2g-6261.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: 2933.436 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 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/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-345 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-345@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 681 111 0 1044 1053 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:50:40:40 brd ff:ff:ff:ff:ff:ff inet 10.30.122.139/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85948sec preferred_lft 85948sec inet6 fe80::f816:3eff:fe50:4040/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:d9:4f:21:78 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:d9ff:fe4f:2178/64 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) 08:49:23 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:51:01 64.71 18.72 45.99 0.00 5246.99 4963.73 0.00 08:52:01 0.62 0.02 0.60 0.00 0.53 11.01 0.00 08:53:01 0.22 0.00 0.22 0.00 0.00 3.25 0.00 08:54:02 0.25 0.00 0.25 0.00 0.00 3.93 0.00 08:55:01 0.25 0.00 0.25 0.00 0.00 3.30 0.00 08:56:01 0.32 0.00 0.32 0.00 0.00 4.06 0.00 08:57:01 76.56 48.63 27.93 0.00 4257.13 13000.13 0.00 Average: 20.48 9.65 10.83 0.00 1361.89 2577.75 0.00 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:51:01 144804 0 585444 31.11 2620 1148688 1098056 37.47 461340 1114448 20 08:52:01 148268 0 581972 30.93 2620 1148696 1080136 36.86 460472 1112536 20 08:53:01 148808 0 581428 30.90 2620 1148700 1070040 36.52 463872 1108964 8 08:54:02 147528 0 582704 30.97 2620 1148704 1070004 36.52 465644 1108384 12 08:55:01 147424 0 582804 30.97 2620 1148708 1070052 36.52 476820 1097304 12 08:56:01 147592 0 582632 30.97 2620 1148712 1070004 36.52 476724 1097304 12 08:57:01 74760 0 698260 37.11 2620 1105916 1495304 51.03 608556 1002064 85808 Average: 137026 0 599321 31.85 2620 1142589 1136228 38.78 487633 1091572 12270 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:51:01 eth0 495.72 298.75 1039.95 96.03 0.00 0.00 0.00 0.00 08:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 docker0 6.66 5.04 1.19 12.20 0.00 0.00 0.00 0.00 08:52:01 eth0 1.98 0.32 0.40 0.19 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 0.77 0.35 0.30 0.23 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 08:54:02 eth0 1.33 0.38 0.44 0.20 0.00 0.00 0.00 0.00 08:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 eth0 0.63 0.39 0.28 0.21 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 08:56:01 eth0 0.32 0.18 0.14 0.07 0.00 0.00 0.00 0.00 08:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 eth0 209.92 162.92 2170.07 17.49 0.00 0.00 0.00 0.00 08:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 101.82 66.38 460.19 16.39 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 0.95 0.72 0.17 1.75 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) 08:49:23 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 08:51:01 all 12.59 0.00 4.19 2.14 0.17 80.92 08:51:01 0 11.44 0.00 4.69 1.39 0.19 82.29 08:51:01 1 13.63 0.00 3.90 0.98 0.15 81.33 08:51:01 2 13.27 0.00 4.09 1.00 0.19 81.46 08:51:01 3 12.03 0.00 4.06 5.18 0.15 78.58 08:52:01 all 0.12 0.00 0.05 0.00 0.01 99.82 08:52:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:52:01 1 0.07 0.00 0.07 0.00 0.02 99.85 08:52:01 2 0.30 0.00 0.05 0.00 0.02 99.63 08:52:01 3 0.07 0.00 0.05 0.00 0.02 99.87 08:53:01 all 0.14 0.00 0.05 0.00 0.01 99.80 08:53:01 0 0.07 0.00 0.07 0.00 0.02 99.85 08:53:01 1 0.05 0.00 0.07 0.00 0.00 99.88 08:53:01 2 0.40 0.00 0.03 0.00 0.02 99.55 08:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:54:02 all 0.15 0.00 0.03 0.00 0.00 99.81 08:54:02 0 0.02 0.00 0.02 0.00 0.00 99.97 08:54:02 1 0.07 0.00 0.05 0.00 0.00 99.88 08:54:02 2 0.50 0.00 0.05 0.00 0.00 99.45 08:54:02 3 0.02 0.00 0.02 0.00 0.02 99.95 08:55:01 all 0.08 0.00 0.07 0.00 0.00 99.84 08:55:01 0 0.03 0.00 0.12 0.00 0.00 99.85 08:55:01 1 0.07 0.00 0.03 0.00 0.02 99.88 08:55:01 2 0.20 0.00 0.12 0.00 0.00 99.68 08:55:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:56:01 all 0.08 0.00 0.04 0.00 0.00 99.88 08:56:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:56:01 1 0.07 0.00 0.05 0.00 0.02 99.87 08:56:01 2 0.20 0.00 0.03 0.00 0.00 99.77 08:56:01 3 0.03 0.00 0.05 0.00 0.00 99.92 08:57:01 all 5.07 0.00 3.24 0.96 0.11 90.62 08:57:01 0 5.29 0.00 3.26 0.34 0.08 91.03 08:57:01 1 4.04 0.00 3.20 0.15 0.10 92.51 08:57:01 2 5.49 0.00 3.62 2.32 0.12 88.45 08:57:01 3 5.47 0.00 2.88 1.04 0.12 90.49 Average: all 2.59 0.00 1.09 0.44 0.04 95.84 Average: 0 2.39 0.00 1.16 0.24 0.04 96.16 Average: 1 2.55 0.00 1.05 0.16 0.04 96.20 Average: 2 2.89 0.00 1.14 0.47 0.05 95.45 Average: 3 2.51 0.00 1.01 0.88 0.04 95.56