---> uname -a: Linux 5230e84b18ea 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-62 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-62@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 590 67 0 1180 1143 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) 04/21/20 _x86_64_ (4 CPU) 22:04:21 LINUX RESTART 22:05:03 tps rtps wtps bread/s bwrtn/s 22:06:01 23.28 7.40 15.87 2001.65 2196.61 22:07:01 2.81 0.00 2.81 0.00 90.34 22:08:01 0.55 0.00 0.55 0.00 6.00 22:09:01 0.57 0.00 0.57 0.00 7.26 Average: 6.67 1.81 4.86 488.02 561.66 22:05:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:06:01 118284 1764020 93.72 2620 1230784 939408 32.05 425416 1174980 8 22:07:01 126220 1756084 93.29 2620 1230796 896576 30.59 419096 1174620 8 22:08:01 126196 1756108 93.30 2620 1230800 896696 30.59 419756 1174616 16 22:09:01 126432 1755872 93.28 2620 1230800 896576 30.59 419144 1174616 12 Average: 124283 1758021 93.40 2620 1230795 907314 30.96 420853 1174708 11 22:05:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:06:01 eth0 125.90 82.09 455.50 37.37 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 1.43 1.27 0.33 2.30 0.00 0.00 0.00 22:07:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 0.82 0.33 0.30 0.17 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.95 20.14 111.13 9.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.35 0.31 0.08 0.56 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) 04/21/20 _x86_64_ (4 CPU) 22:04:21 LINUX RESTART 22:05:03 CPU %user %nice %system %iowait %steal %idle 22:06:01 all 3.57 0.00 1.87 0.10 0.02 94.44 22:06:01 0 3.93 0.00 1.78 0.05 0.02 94.22 22:06:01 1 3.53 0.00 1.89 0.14 0.03 94.41 22:06:01 2 3.64 0.00 2.03 0.10 0.02 94.22 22:06:01 3 3.18 0.00 1.76 0.09 0.02 94.95 22:07:01 all 0.12 0.00 0.06 0.00 0.00 99.82 22:07:01 0 0.25 0.00 0.08 0.00 0.00 99.67 22:07:01 1 0.10 0.00 0.05 0.00 0.00 99.85 22:07:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:07:01 3 0.10 0.00 0.07 0.00 0.00 99.83 22:08:01 all 0.10 0.00 0.05 0.00 0.00 99.85 22:08:01 0 0.15 0.00 0.03 0.00 0.00 99.82 22:08:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:08:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:08:01 3 0.10 0.00 0.10 0.00 0.00 99.80 22:09:01 all 0.18 0.00 0.05 0.00 0.01 99.75 22:09:01 0 0.52 0.00 0.03 0.00 0.02 99.43 22:09:01 1 0.10 0.00 0.08 0.00 0.00 99.82 22:09:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:09:01 3 0.07 0.00 0.07 0.00 0.02 99.85 Average: all 0.97 0.00 0.50 0.02 0.01 98.50 Average: 0 1.19 0.00 0.47 0.01 0.01 98.32 Average: 1 0.93 0.00 0.50 0.03 0.01 98.53 Average: 2 0.93 0.00 0.52 0.03 0.00 98.52 Average: 3 0.84 0.00 0.49 0.02 0.01 98.64