---> uname -a: Linux 6a1604bbb1c1 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: 2933.442 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 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-68 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-68@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 598 75 0 1164 1136 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 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) 04/28/20 _x86_64_ (4 CPU) 19:04:14 LINUX RESTART 19:05:01 tps rtps wtps bread/s bwrtn/s 19:06:01 15.72 1.90 13.82 341.32 2142.75 19:07:01 2.48 0.00 2.48 0.00 87.56 19:08:01 0.27 0.00 0.27 0.00 3.88 19:09:01 0.65 0.00 0.65 0.00 8.00 19:10:01 0.57 0.00 0.57 0.00 6.10 19:11:01 0.77 0.00 0.77 0.00 9.59 Average: 3.41 0.32 3.09 56.90 376.38 19:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:06:01 118936 1763368 93.68 2620 1230956 937652 31.99 425252 1175460 16 19:07:01 123644 1758660 93.43 2620 1230964 906060 30.91 421084 1175144 8 19:08:01 123000 1759304 93.47 2620 1230972 906168 30.92 421776 1175100 8 19:09:01 124240 1758064 93.40 2620 1230972 906000 30.91 420892 1175100 8 19:10:01 123644 1758660 93.43 2620 1230980 906072 30.91 421296 1175100 8 19:11:01 123100 1759204 93.46 2620 1230984 906132 30.92 421760 1175096 8 Average: 122761 1759543 93.48 2620 1230971 911347 31.09 422010 1175167 9 19:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:06:01 eth0 26.09 20.08 25.14 25.16 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 1.37 1.28 0.33 2.38 0.00 0.00 0.00 19:07:01 eth0 1.17 0.17 0.23 0.01 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 0.77 0.55 0.52 0.36 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 19:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 eth0 0.40 0.23 0.15 0.07 0.00 0.00 0.00 19:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 eth0 0.65 0.40 0.29 0.21 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.86 3.59 4.39 4.31 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.23 0.21 0.05 0.40 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) 04/28/20 _x86_64_ (4 CPU) 19:04:14 LINUX RESTART 19:05:01 CPU %user %nice %system %iowait %steal %idle 19:06:01 all 1.76 0.00 0.83 0.05 0.00 97.36 19:06:01 0 1.95 0.00 0.93 0.08 0.00 97.03 19:06:01 1 1.97 0.00 0.68 0.03 0.02 97.29 19:06:01 2 1.19 0.00 0.77 0.07 0.02 97.96 19:06:01 3 1.94 0.00 0.95 0.00 0.00 97.11 19:07:01 all 0.19 0.00 0.06 0.00 0.00 99.75 19:07:01 0 0.52 0.00 0.03 0.00 0.00 99.45 19:07:01 1 0.08 0.00 0.05 0.00 0.00 99.87 19:07:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:07:01 3 0.08 0.00 0.07 0.00 0.00 99.85 19:08:01 all 0.19 0.00 0.05 0.00 0.00 99.76 19:08:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:08:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:08:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:08:01 3 0.57 0.00 0.07 0.00 0.00 99.37 19:09:01 all 0.16 0.00 0.04 0.00 0.00 99.79 19:09:01 0 0.05 0.00 0.02 0.00 0.00 99.93 19:09:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:09:01 2 0.02 0.00 0.03 0.00 0.00 99.95 19:09:01 3 0.53 0.00 0.07 0.00 0.00 99.40 19:10:01 all 0.11 0.00 0.05 0.00 0.00 99.84 19:10:01 0 0.07 0.00 0.07 0.00 0.00 99.87 19:10:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:10:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:10:01 3 0.27 0.00 0.08 0.00 0.00 99.65 19:11:01 all 0.05 0.00 0.04 0.00 0.00 99.91 19:11:01 0 0.05 0.00 0.05 0.00 0.00 99.90 19:11:01 1 0.07 0.00 0.05 0.00 0.00 99.88 19:11:01 2 0.02 0.00 0.03 0.00 0.00 99.95 19:11:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 0.41 0.00 0.18 0.01 0.00 99.40 Average: 0 0.45 0.00 0.19 0.01 0.00 99.35 Average: 1 0.38 0.00 0.15 0.01 0.00 99.45 Average: 2 0.23 0.00 0.16 0.01 0.00 99.59 Average: 3 0.58 0.00 0.21 0.00 0.00 99.21