---> uname -a: Linux 1e91031502ab 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: 2933.436 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/y_app-service-configurable_PR-49 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-49@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 68 0 1174 1137 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) 13:12:48 LINUX RESTART 13:14:01 tps rtps wtps bread/s bwrtn/s 13:15:01 11.97 0.00 11.97 0.00 1955.59 13:16:01 0.58 0.00 0.58 0.00 9.07 13:17:01 0.27 0.00 0.27 0.00 3.48 13:18:01 0.53 0.00 0.53 0.00 5.46 13:19:01 91.26 58.80 32.46 3682.16 12702.58 Average: 20.93 11.76 9.16 736.63 2935.89 13:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:15:01 121732 1760572 93.53 2620 1232532 902168 30.78 407200 1196780 16 13:16:01 120916 1761388 93.58 2620 1232540 902168 30.78 407436 1196484 8 13:17:01 120192 1762112 93.61 2620 1232544 902360 30.79 408644 1196480 8 13:18:01 120784 1761520 93.58 2620 1232544 902168 30.78 407480 1196480 8 13:19:01 124556 1757748 93.38 2620 1176416 1111972 37.94 439564 1141640 97096 Average: 121636 1760668 93.54 2620 1221315 944167 32.21 414065 1185573 19427 13:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:15:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:16:01 eth0 0.43 0.08 0.04 0.01 0.00 0.00 0.00 13:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:17:01 eth0 1.91 0.93 1.55 0.24 0.00 0.00 0.00 13:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:18:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 13:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:19:01 eth0 85.89 68.89 2110.64 8.74 0.00 0.00 0.00 13:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.84 14.02 422.57 1.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 13:12:48 LINUX RESTART 13:14:01 CPU %user %nice %system %iowait %steal %idle 13:15:01 all 0.18 0.00 0.07 0.00 0.03 99.72 13:15:01 0 0.38 0.00 0.07 0.00 0.02 99.53 13:15:01 1 0.22 0.00 0.08 0.00 0.03 99.67 13:15:01 2 0.03 0.00 0.08 0.00 0.02 99.87 13:15:01 3 0.08 0.00 0.08 0.00 0.05 99.78 13:16:01 all 0.14 0.00 0.05 0.00 0.02 99.79 13:16:01 0 0.28 0.00 0.05 0.00 0.02 99.65 13:16:01 1 0.10 0.00 0.07 0.00 0.00 99.83 13:16:01 2 0.07 0.00 0.03 0.00 0.02 99.88 13:16:01 3 0.08 0.00 0.07 0.00 0.02 99.83 13:17:01 all 0.14 0.00 0.06 0.00 0.02 99.78 13:17:01 0 0.32 0.00 0.07 0.00 0.03 99.58 13:17:01 1 0.15 0.00 0.08 0.00 0.03 99.73 13:17:01 2 0.05 0.00 0.05 0.00 0.02 99.88 13:17:01 3 0.07 0.00 0.05 0.00 0.02 99.87 13:18:01 all 0.17 0.00 0.05 0.00 0.02 99.76 13:18:01 0 0.45 0.00 0.02 0.00 0.00 99.53 13:18:01 1 0.07 0.00 0.05 0.00 0.02 99.87 13:18:01 2 0.07 0.00 0.03 0.00 0.02 99.88 13:18:01 3 0.10 0.00 0.08 0.00 0.02 99.80 13:19:01 all 3.96 0.00 2.33 1.40 0.50 91.81 13:19:01 0 4.07 0.00 2.36 0.40 0.44 92.73 13:19:01 1 3.90 0.00 2.05 2.37 0.50 91.17 13:19:01 2 3.39 0.00 2.54 0.15 0.50 93.41 13:19:01 3 4.46 0.00 2.36 2.66 0.59 89.93 Average: all 0.91 0.00 0.51 0.28 0.12 98.19 Average: 0 1.10 0.00 0.51 0.08 0.10 98.22 Average: 1 0.88 0.00 0.46 0.47 0.12 98.07 Average: 2 0.72 0.00 0.54 0.03 0.11 98.59 Average: 3 0.95 0.00 0.52 0.53 0.14 97.86