---> uname -a: Linux 6c880c1cdb26 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-43 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-43@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 601 65 0 1171 1133 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/10/20 _x86_64_ (4 CPU) 20:07:34 LINUX RESTART 20:08:01 tps rtps wtps bread/s bwrtn/s 20:09:02 53.02 13.55 39.47 2516.26 3604.03 20:10:01 3.39 0.00 3.39 0.00 101.46 20:11:01 0.28 0.00 0.28 0.00 3.15 20:12:01 0.30 0.00 0.30 0.00 3.75 20:13:01 0.25 0.00 0.25 0.00 3.45 20:14:01 109.66 67.51 42.15 4167.59 16489.54 Average: 27.89 13.55 14.34 1117.25 3376.95 20:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:09:02 114980 1767324 93.89 2620 1230124 940848 32.10 402808 1203964 16 20:10:01 124520 1757784 93.38 2620 1230128 902164 30.78 398924 1201636 16 20:11:01 123824 1758480 93.42 2620 1230136 902360 30.79 401044 1200212 8 20:12:01 124568 1757736 93.38 2620 1230136 902180 30.78 401176 1199196 16 20:13:01 124540 1757764 93.38 2620 1230144 902180 30.78 401188 1199196 8 20:14:01 102016 1780288 94.58 2620 1195460 973792 33.23 413040 1168076 39332 Average: 119075 1763229 93.67 2620 1224355 920587 31.41 403030 1195380 6566 20:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:09:02 eth0 337.37 234.84 969.56 84.62 0.00 0.00 0.00 20:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:02 docker0 1.46 1.32 0.29 1.74 0.00 0.00 0.00 20:10:01 eth0 2.07 1.30 1.18 0.09 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 1.37 0.72 0.57 0.37 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 eth0 99.73 80.03 2119.43 11.93 0.00 0.00 0.00 20:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 73.68 53.00 516.63 16.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.24 0.22 0.05 0.29 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/10/20 _x86_64_ (4 CPU) 20:07:34 LINUX RESTART 20:08:01 CPU %user %nice %system %iowait %steal %idle 20:09:02 all 10.41 0.00 3.10 1.04 0.01 85.44 20:09:02 0 9.81 0.00 3.29 0.10 0.02 86.79 20:09:02 1 11.48 0.00 2.48 0.27 0.02 85.76 20:09:02 2 10.13 0.00 3.10 3.61 0.02 83.14 20:09:02 3 10.23 0.00 3.49 0.20 0.00 86.08 20:10:01 all 0.19 0.00 0.06 0.00 0.00 99.75 20:10:01 0 0.05 0.00 0.07 0.00 0.00 99.88 20:10:01 1 0.15 0.00 0.05 0.00 0.00 99.80 20:10:01 2 0.07 0.00 0.05 0.00 0.00 99.88 20:10:01 3 0.47 0.00 0.08 0.00 0.00 99.44 20:11:01 all 0.20 0.00 0.05 0.00 0.00 99.76 20:11:01 0 0.15 0.00 0.05 0.00 0.00 99.80 20:11:01 1 0.40 0.00 0.03 0.00 0.00 99.57 20:11:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:11:01 3 0.18 0.00 0.05 0.00 0.00 99.77 20:12:01 all 0.13 0.00 0.05 0.00 0.00 99.81 20:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:12:01 1 0.38 0.00 0.07 0.00 0.00 99.55 20:12:01 2 0.08 0.00 0.05 0.00 0.00 99.87 20:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 20:13:01 all 0.07 0.00 0.05 0.00 0.00 99.88 20:13:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:13:01 1 0.12 0.00 0.07 0.00 0.00 99.82 20:13:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:13:01 3 0.05 0.00 0.03 0.00 0.02 99.90 20:14:01 all 4.61 0.00 2.75 1.63 0.01 91.01 20:14:01 0 4.61 0.00 3.53 1.93 0.00 89.93 20:14:01 1 3.88 0.00 2.68 1.44 0.02 91.98 20:14:01 2 4.37 0.00 2.28 0.27 0.02 93.07 20:14:01 3 5.56 0.00 2.50 2.87 0.00 89.06 Average: all 2.60 0.00 1.01 0.44 0.00 95.94 Average: 0 2.44 0.00 1.17 0.34 0.00 96.05 Average: 1 2.74 0.00 0.90 0.28 0.01 96.07 Average: 2 2.46 0.00 0.93 0.64 0.01 95.96 Average: 3 2.75 0.00 1.03 0.51 0.00 95.70