---> uname -a: Linux acd30ee1017c 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-84 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-84@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 622 120 0 1094 1109 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) 07/10/20 _x86_64_ (4 CPU) 22:30:24 LINUX RESTART 22:31:01 tps rtps wtps bread/s bwrtn/s 22:32:01 57.74 13.74 43.99 4847.52 4773.24 22:33:01 1.63 0.00 1.63 0.00 32.74 22:34:01 0.30 0.00 0.30 0.00 3.93 22:35:01 0.27 0.00 0.27 0.00 3.24 Average: 14.99 3.44 11.55 1212.28 1203.68 22:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:32:01 173872 1707684 90.76 2620 1167084 1121484 38.27 383648 1162364 120 22:33:01 181696 1699860 90.34 2620 1167088 1064260 36.32 381920 1157744 20 22:34:01 179112 1702444 90.48 2620 1167096 1064540 36.33 384732 1157748 16 22:35:01 177484 1704072 90.57 2620 1167096 1064588 36.33 386684 1157188 16 Average: 178041 1703515 90.54 2620 1167091 1078718 36.81 384246 1158761 43 22:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:32:01 eth0 183.06 125.39 762.48 76.46 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 1.78 1.40 0.37 2.79 0.00 0.00 0.00 22:33:01 eth0 0.77 0.08 0.06 0.05 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 1.48 0.62 0.66 0.37 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 0.42 0.28 0.26 0.23 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.45 31.60 190.93 19.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.35 0.09 0.70 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) 07/10/20 _x86_64_ (4 CPU) 22:30:24 LINUX RESTART 22:31:01 CPU %user %nice %system %iowait %steal %idle 22:32:01 all 10.11 0.00 3.59 2.80 4.33 79.17 22:32:01 0 8.66 0.00 3.62 1.00 4.81 81.91 22:32:01 1 9.92 0.00 3.60 4.27 4.44 77.77 22:32:01 2 11.58 0.00 3.71 3.54 3.76 77.41 22:32:01 3 10.28 0.00 3.41 2.39 4.33 79.58 22:33:01 all 0.11 0.00 0.04 0.00 0.23 99.62 22:33:01 0 0.02 0.00 0.03 0.00 0.08 99.87 22:33:01 1 0.03 0.00 0.03 0.00 0.20 99.73 22:33:01 2 0.08 0.00 0.05 0.00 0.32 99.55 22:33:01 3 0.33 0.00 0.05 0.00 0.30 99.32 22:34:01 all 0.13 0.00 0.03 0.00 0.25 99.60 22:34:01 0 0.05 0.00 0.03 0.00 0.32 99.60 22:34:01 1 0.07 0.00 0.03 0.00 0.15 99.75 22:34:01 2 0.03 0.00 0.02 0.00 0.30 99.65 22:34:01 3 0.37 0.00 0.03 0.00 0.23 99.37 22:35:01 all 0.12 0.00 0.03 0.00 0.37 99.49 22:35:01 0 0.08 0.00 0.03 0.00 0.22 99.67 22:35:01 1 0.02 0.00 0.02 0.00 0.28 99.68 22:35:01 2 0.05 0.00 0.05 0.00 0.66 99.24 22:35:01 3 0.33 0.00 0.03 0.00 0.28 99.35 Average: all 2.58 0.00 0.91 0.69 1.28 94.55 Average: 0 2.17 0.00 0.92 0.25 1.34 95.33 Average: 1 2.49 0.00 0.91 1.06 1.26 94.28 Average: 2 2.87 0.00 0.94 0.87 1.24 94.08 Average: 3 2.78 0.00 0.87 0.59 1.27 94.50