---> uname -a: Linux 754412907ff8 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% /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% /w/workspace/exfoundry_go-mod-bootstrap_PR-86 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-86@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 655 121 0 1061 1076 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 07/24/20 _x86_64_ (4 CPU) 01:14:41 LINUX RESTART 01:15:02 tps rtps wtps bread/s bwrtn/s 01:16:01 125.10 44.50 80.60 7670.41 35025.81 01:17:01 2.31 0.00 2.31 0.00 50.77 01:18:01 0.15 0.00 0.15 0.00 2.28 01:19:01 0.27 0.00 0.27 0.00 3.48 01:20:01 0.27 0.00 0.27 0.00 4.21 Average: 25.30 8.79 16.51 1514.30 6927.00 01:15:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:16:01 158116 1723440 91.60 2620 1150512 1113576 38.00 431980 1131784 132 01:17:01 163240 1718316 91.32 2620 1150572 1072876 36.62 430080 1128884 20 01:18:01 162048 1719508 91.39 2620 1150580 1073132 36.62 432712 1127380 16 01:19:01 160548 1721008 91.47 2620 1150580 1073132 36.62 434676 1127372 8 01:20:01 159808 1721748 91.51 2620 1150584 1073008 36.62 437880 1124980 8 Average: 160752 1720804 91.46 2620 1150566 1081145 36.90 433466 1128080 37 01:15:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:16:01 eth0 466.49 282.48 1062.35 90.23 0.00 0.00 0.00 01:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 docker0 1.54 1.49 0.36 2.89 0.00 0.00 0.00 01:17:01 eth0 0.68 0.12 0.06 0.03 0.00 0.00 0.00 01:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 eth0 4.01 2.33 3.35 0.27 0.00 0.00 0.00 01:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:19:01 eth0 0.60 0.35 0.28 0.23 0.00 0.00 0.00 01:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 01:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 93.18 56.35 210.47 17.93 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.30 0.29 0.07 0.57 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) 07/24/20 _x86_64_ (4 CPU) 01:14:41 LINUX RESTART 01:15:02 CPU %user %nice %system %iowait %steal %idle 01:16:01 all 13.13 0.00 6.37 7.78 0.02 72.71 01:16:01 0 12.62 0.00 6.73 8.49 0.03 72.13 01:16:01 1 13.85 0.00 6.41 8.61 0.02 71.11 01:16:01 2 11.61 0.00 6.44 7.63 0.02 74.30 01:16:01 3 14.42 0.00 5.89 6.37 0.03 73.28 01:17:01 all 0.15 0.00 0.05 0.00 0.00 99.79 01:17:01 0 0.50 0.00 0.07 0.00 0.00 99.43 01:17:01 1 0.05 0.00 0.05 0.00 0.00 99.90 01:17:01 2 0.05 0.00 0.07 0.00 0.00 99.88 01:17:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:18:01 all 0.20 0.00 0.04 0.00 0.00 99.76 01:18:01 0 0.48 0.00 0.05 0.00 0.00 99.47 01:18:01 1 0.13 0.00 0.07 0.00 0.00 99.80 01:18:01 2 0.05 0.00 0.05 0.00 0.00 99.90 01:18:01 3 0.12 0.00 0.02 0.00 0.00 99.87 01:19:01 all 0.15 0.00 0.03 0.00 0.00 99.81 01:19:01 0 0.50 0.00 0.03 0.00 0.00 99.47 01:19:01 1 0.07 0.00 0.03 0.00 0.00 99.90 01:19:01 2 0.02 0.00 0.02 0.00 0.00 99.97 01:19:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:20:01 all 0.14 0.00 0.04 0.00 0.00 99.82 01:20:01 0 0.43 0.00 0.07 0.00 0.00 99.50 01:20:01 1 0.05 0.00 0.03 0.00 0.00 99.92 01:20:01 2 0.05 0.00 0.03 0.00 0.00 99.92 01:20:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 2.70 0.00 1.28 1.52 0.00 94.49 Average: 0 2.85 0.00 1.36 1.66 0.01 94.12 Average: 1 2.78 0.00 1.30 1.69 0.00 94.23 Average: 2 2.31 0.00 1.30 1.50 0.00 94.89 Average: 3 2.86 0.00 1.17 1.25 0.01 94.72