---> uname -a: Linux a5b00f327b48 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 6.4G 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% /w/workspace/y_app-service-configurable_PR-56 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-56@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 605 65 0 1167 1128 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) 04/03/20 _x86_64_ (4 CPU) 20:47:53 LINUX RESTART 20:49:01 tps rtps wtps bread/s bwrtn/s 20:50:01 13.43 1.41 12.02 83.36 1950.18 20:51:01 2.37 0.00 2.37 0.00 77.96 20:52:01 0.28 0.00 0.28 0.00 3.61 20:53:01 0.32 0.00 0.32 0.00 4.08 20:54:01 0.42 0.00 0.42 0.00 6.28 20:55:02 40.97 40.69 0.28 2954.04 3.21 Average: 9.64 7.03 2.61 506.81 340.94 20:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 111704 1770600 94.07 2620 1224548 977196 33.34 437112 1173916 16 20:51:01 124552 1757752 93.38 2620 1224560 891072 30.40 426872 1173612 16 20:52:01 123248 1759056 93.45 2620 1224564 891352 30.41 428052 1173612 12 20:53:01 124764 1757540 93.37 2620 1224568 891112 30.40 427012 1173612 20 20:54:01 124608 1757696 93.38 2620 1224572 891184 30.41 427400 1173612 8 20:55:02 82864 1799440 95.60 2620 1241156 923124 31.50 437856 1199188 80 Average: 115290 1767014 93.88 2620 1227328 910840 31.08 430717 1177925 25 20:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:50:01 eth0 10.89 9.64 11.85 10.98 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 1.15 0.82 0.25 2.04 0.00 0.00 0.00 20:51:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 20:51:01 lo 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 20:52:01 eth0 1.02 0.68 0.55 0.40 0.00 0.00 0.00 20:52:01 lo 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 20:53:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:53:01 lo 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 20:54:01 eth0 0.28 0.22 0.14 0.07 0.00 0.00 0.00 20:54:01 lo 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 20:55:02 eth0 7.75 5.12 8.17 2.90 0.00 0.00 0.00 20:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.45 2.64 3.47 2.39 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.19 0.14 0.04 0.34 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) 04/03/20 _x86_64_ (4 CPU) 20:47:53 LINUX RESTART 20:49:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 0.75 0.00 0.45 0.02 1.47 97.31 20:50:01 0 0.95 0.00 0.43 0.03 1.56 97.03 20:50:01 1 0.68 0.00 0.30 0.02 1.65 97.36 20:50:01 2 0.35 0.00 0.49 0.03 1.68 97.45 20:50:01 3 1.02 0.00 0.60 0.00 1.02 97.36 20:51:01 all 0.15 0.00 0.05 0.00 0.14 99.66 20:51:01 0 0.05 0.00 0.05 0.00 0.35 99.55 20:51:01 1 0.47 0.00 0.07 0.00 0.10 99.37 20:51:01 2 0.03 0.00 0.02 0.00 0.05 99.90 20:51:01 3 0.07 0.00 0.03 0.00 0.05 99.85 20:52:01 all 0.12 0.00 0.02 0.00 0.66 99.20 20:52:01 0 0.03 0.00 0.02 0.00 0.78 99.17 20:52:01 1 0.28 0.00 0.05 0.00 0.88 98.79 20:52:01 2 0.08 0.00 0.03 0.00 0.86 99.02 20:52:01 3 0.05 0.00 0.02 0.00 0.15 99.78 20:53:01 all 0.11 0.00 0.04 0.00 0.34 99.51 20:53:01 0 0.00 0.00 0.03 0.00 0.30 99.67 20:53:01 1 0.33 0.00 0.05 0.00 0.47 99.15 20:53:01 2 0.08 0.00 0.05 0.00 0.40 99.47 20:53:01 3 0.05 0.00 0.03 0.00 0.18 99.73 20:54:01 all 0.11 0.00 0.04 0.00 0.08 99.77 20:54:01 0 0.03 0.00 0.05 0.00 0.15 99.77 20:54:01 1 0.30 0.00 0.05 0.00 0.10 99.55 20:54:01 2 0.08 0.00 0.03 0.00 0.03 99.85 20:54:01 3 0.02 0.00 0.02 0.00 0.02 99.95 20:55:02 all 0.49 0.00 0.30 1.41 1.20 96.60 20:55:02 0 0.20 0.00 0.26 1.02 1.37 97.14 20:55:02 1 0.26 0.00 0.17 0.68 1.27 97.62 20:55:02 2 1.02 0.00 0.35 3.15 1.10 94.38 20:55:02 3 0.47 0.00 0.40 0.83 1.03 97.28 Average: all 0.29 0.00 0.15 0.24 0.65 98.67 Average: 0 0.21 0.00 0.14 0.18 0.75 98.72 Average: 1 0.39 0.00 0.11 0.12 0.75 98.64 Average: 2 0.27 0.00 0.16 0.53 0.69 98.34 Average: 3 0.28 0.00 0.18 0.14 0.41 98.99