---> uname -a: Linux prd-centos7-docker-4c-2g-6956.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 691 109 0 1036 1043 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:49:87:01 brd ff:ff:ff:ff:ff:ff inet 10.30.123.69/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:fe49:8701/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:28:aa:9a:2a 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::42:28ff:feaa:9a2a/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) 10/20/20 _x86_64_ (4 CPU) 13:19:45 LINUX RESTART (4 CPU) 13:21:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:22:01 2.85 0.00 2.85 0.00 0.00 102.79 0.00 13:23:01 0.38 0.02 0.37 0.00 0.53 5.81 0.00 13:24:01 0.18 0.00 0.18 0.00 0.00 2.16 0.00 13:25:01 0.37 0.00 0.37 0.00 0.00 5.26 0.00 13:26:01 50.53 42.96 7.57 0.00 4294.94 3114.71 0.00 Average: 10.89 8.63 2.27 0.00 862.31 648.21 0.00 13:21:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:22:01 159856 0 592656 31.50 2620 1126424 1090148 37.20 424140 1137260 12 13:23:01 161208 0 591296 31.43 2620 1126432 1078840 36.82 425176 1135076 8 13:24:01 162544 0 589956 31.35 2620 1126436 1065572 36.37 425296 1134168 8 13:25:01 161060 0 591436 31.43 2620 1126440 1065476 36.36 430920 1130044 8 13:26:01 76420 0 679480 36.11 2620 1123036 1499160 51.16 484848 1146188 85872 Average: 144218 0 608965 32.36 2620 1125754 1159839 39.58 438076 1136547 17182 13:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:22:01 eth0 1.41 0.34 0.37 0.22 0.00 0.00 0.00 0.00 13:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:23:01 eth0 1.83 0.72 0.65 0.41 0.00 0.00 0.00 0.00 13:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:24:01 eth0 0.67 0.32 0.28 0.23 0.00 0.00 0.00 0.00 13:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:25:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:26:01 eth0 192.64 166.56 2168.93 17.19 0.00 0.00 0.00 0.00 13:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.47 33.73 435.67 3.62 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/20/20 _x86_64_ (4 CPU) 13:19:45 LINUX RESTART (4 CPU) 13:21:02 CPU %user %nice %system %iowait %steal %idle 13:22:01 all 0.19 0.00 0.06 0.00 0.00 99.75 13:22:01 0 0.52 0.00 0.05 0.00 0.00 99.42 13:22:01 1 0.10 0.00 0.08 0.00 0.00 99.81 13:22:01 2 0.07 0.00 0.05 0.00 0.00 99.88 13:22:01 3 0.07 0.00 0.05 0.00 0.02 99.86 13:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 13:23:01 0 0.52 0.00 0.02 0.00 0.00 99.47 13:23:01 1 0.07 0.00 0.05 0.00 0.00 99.88 13:23:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:23:01 3 0.03 0.00 0.05 0.00 0.00 99.92 13:24:01 all 0.14 0.00 0.04 0.00 0.00 99.82 13:24:01 0 0.47 0.00 0.03 0.00 0.00 99.50 13:24:01 1 0.03 0.00 0.03 0.00 0.00 99.93 13:24:01 2 0.02 0.00 0.03 0.00 0.02 99.93 13:24:01 3 0.03 0.00 0.05 0.00 0.00 99.92 13:25:01 all 0.15 0.00 0.04 0.00 0.00 99.81 13:25:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:25:01 1 0.07 0.00 0.10 0.00 0.02 99.82 13:25:01 2 0.47 0.00 0.03 0.00 0.00 99.50 13:25:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:26:01 all 2.65 0.00 1.74 1.04 0.01 94.57 13:26:01 0 2.37 0.00 1.82 0.10 0.02 95.68 13:26:01 1 2.26 0.00 1.77 1.04 0.00 94.93 13:26:01 2 3.29 0.00 1.77 2.69 0.02 92.23 13:26:01 3 2.68 0.00 1.57 0.32 0.00 95.43 Average: all 0.66 0.00 0.38 0.21 0.00 98.75 Average: 0 0.78 0.00 0.39 0.02 0.00 98.81 Average: 1 0.51 0.00 0.41 0.21 0.00 98.87 Average: 2 0.78 0.00 0.38 0.54 0.01 98.29 Average: 3 0.57 0.00 0.35 0.06 0.00 99.02