---> uname -a: Linux 625c0fedbe97 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: 2933.442 BogoMIPS: 5866.88 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-94 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-94@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 635 144 0 1057 1095 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) 09/24/20 _x86_64_ (4 CPU) 20:48:33 LINUX RESTART (4 CPU) 20:49:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 150.30 61.65 88.65 0.00 8112.38 40238.72 0.00 20:51:01 3.53 0.00 3.53 0.00 0.00 116.40 0.00 20:52:01 0.35 0.00 0.35 0.00 0.00 5.28 0.00 20:53:01 0.18 0.00 0.18 0.00 0.00 2.01 0.00 20:54:01 0.32 0.00 0.32 0.00 0.00 5.66 0.00 20:55:01 0.32 0.00 0.32 0.00 0.00 4.85 0.00 20:56:01 0.28 0.02 0.27 0.00 0.13 3.65 0.00 Average: 22.19 8.81 13.38 0.00 1159.56 5771.22 0.00 20:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 181620 0 554080 29.45 2620 1143236 1102128 37.61 416888 1123564 120 20:51:01 182552 0 553060 29.39 2620 1143324 1101772 37.60 417720 1122084 12 20:52:01 184104 0 551500 29.31 2620 1143332 1087444 37.11 418196 1120120 20 20:53:01 181080 0 554524 29.47 2620 1143332 1085424 37.04 422128 1119416 12 20:54:01 181332 0 554264 29.46 2620 1143340 1085544 37.05 433356 1108384 20 20:55:01 181572 0 554020 29.44 2620 1143344 1081520 36.91 433188 1108152 20 20:56:01 181664 0 553920 29.44 2620 1143352 1081596 36.91 433580 1108152 16 Average: 181989 0 553624 29.42 2620 1143323 1089347 37.18 425008 1115696 31 20:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 eth0 429.50 263.83 1044.80 89.90 0.00 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 1.63 1.35 0.39 2.91 0.00 0.00 0.00 0.00 20:51:01 eth0 1.96 0.53 0.63 0.34 0.00 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 eth0 5.56 0.50 0.95 0.42 0.00 0.00 0.00 0.00 20:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 eth0 5.54 0.67 0.95 0.41 0.00 0.00 0.00 0.00 20:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 eth0 7.86 1.43 2.08 1.18 0.00 0.00 0.00 0.00 20:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 eth0 4.81 1.38 1.69 1.08 0.00 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 eth0 1.25 0.52 0.57 0.36 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 65.25 38.43 150.32 13.39 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 0.23 0.19 0.06 0.42 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) 09/24/20 _x86_64_ (4 CPU) 20:48:33 LINUX RESTART (4 CPU) 20:49:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 16.50 0.00 8.94 5.48 0.21 68.87 20:50:01 0 16.86 0.00 9.78 3.57 0.22 69.58 20:50:01 1 17.20 0.00 7.74 4.92 0.22 69.92 20:50:01 2 15.91 0.00 9.76 5.61 0.15 68.56 20:50:01 3 16.04 0.00 8.47 7.81 0.24 67.44 20:51:01 all 0.18 0.00 0.06 0.00 0.08 99.68 20:51:01 0 0.05 0.00 0.03 0.00 0.03 99.88 20:51:01 1 0.07 0.00 0.08 0.00 0.15 99.70 20:51:01 2 0.53 0.00 0.07 0.00 0.12 99.28 20:51:01 3 0.07 0.00 0.05 0.00 0.02 99.87 20:52:01 all 0.18 0.00 0.05 0.00 0.03 99.73 20:52:01 0 0.05 0.00 0.03 0.00 0.02 99.90 20:52:01 1 0.18 0.00 0.05 0.00 0.07 99.70 20:52:01 2 0.45 0.00 0.10 0.00 0.02 99.43 20:52:01 3 0.05 0.00 0.03 0.00 0.02 99.90 20:53:01 all 0.15 0.00 0.05 0.00 0.10 99.70 20:53:01 0 0.07 0.00 0.07 0.00 0.15 99.72 20:53:01 1 0.08 0.00 0.03 0.00 0.10 99.78 20:53:01 2 0.42 0.00 0.05 0.00 0.13 99.40 20:53:01 3 0.02 0.00 0.05 0.00 0.03 99.90 20:54:01 all 0.20 0.00 0.09 0.00 0.07 99.64 20:54:01 0 0.10 0.00 0.07 0.00 0.12 99.72 20:54:01 1 0.52 0.00 0.05 0.00 0.03 99.40 20:54:01 2 0.13 0.00 0.03 0.00 0.08 99.75 20:54:01 3 0.07 0.00 0.20 0.00 0.05 99.68 20:55:01 all 0.13 0.00 0.07 0.00 0.01 99.80 20:55:01 0 0.13 0.00 0.05 0.00 0.02 99.80 20:55:01 1 0.15 0.00 0.07 0.00 0.02 99.77 20:55:01 2 0.18 0.00 0.08 0.00 0.02 99.72 20:55:01 3 0.03 0.00 0.07 0.00 0.00 99.90 20:56:01 all 0.18 0.00 0.03 0.00 0.02 99.77 20:56:01 0 0.08 0.00 0.05 0.00 0.05 99.82 20:56:01 1 0.05 0.00 0.03 0.00 0.02 99.90 20:56:01 2 0.55 0.00 0.03 0.00 0.00 99.42 20:56:01 3 0.03 0.00 0.02 0.00 0.02 99.93 Average: all 2.48 0.00 1.31 0.77 0.07 95.36 Average: 0 2.45 0.00 1.42 0.50 0.09 95.54 Average: 1 2.58 0.00 1.14 0.70 0.09 95.50 Average: 2 2.57 0.00 1.43 0.79 0.07 95.13 Average: 3 2.30 0.00 1.25 1.10 0.05 95.29