---> uname -a: Linux 129ed0a9f84a 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-70 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-70@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 64 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) 05/01/20 _x86_64_ (4 CPU) 19:07:38 LINUX RESTART 19:08:01 tps rtps wtps bread/s bwrtn/s 19:09:02 82.21 37.36 44.85 4889.60 6770.19 19:10:01 4.57 0.00 4.57 0.00 132.89 19:11:01 0.42 0.00 0.42 0.00 6.19 19:12:01 0.32 0.00 0.32 0.00 3.48 19:13:01 0.23 0.00 0.23 0.00 3.60 19:14:02 0.42 0.00 0.42 0.00 6.00 Average: 14.73 6.25 8.48 817.75 1157.32 19:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:09:02 112008 1770296 94.05 2620 1222816 937804 32.00 434044 1170632 444 19:10:01 122300 1760004 93.50 2620 1223032 890692 30.39 427536 1170368 16 19:11:01 120748 1761556 93.59 2620 1223044 890932 30.40 428964 1170356 8 19:12:01 121728 1760576 93.53 2620 1223044 890740 30.39 428128 1170356 12 19:13:01 122676 1759628 93.48 2620 1223052 890632 30.39 427528 1170356 8 19:14:02 121904 1760400 93.52 2620 1223056 890728 30.39 428052 1170356 8 Average: 120227 1762077 93.61 2620 1223007 898588 30.66 429042 1170404 83 19:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:09:02 eth0 399.73 244.78 1007.32 88.42 0.00 0.00 0.00 19:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:02 docker0 1.70 1.38 0.35 2.48 0.00 0.00 0.00 19:10:01 eth0 1.71 0.66 0.81 0.06 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 0.82 0.42 0.30 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 19:12:01 eth0 0.53 0.38 0.27 0.20 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:02 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 19:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 67.42 41.23 168.72 14.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.28 0.23 0.06 0.42 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) 05/01/20 _x86_64_ (4 CPU) 19:07:38 LINUX RESTART 19:08:01 CPU %user %nice %system %iowait %steal %idle 19:09:02 all 14.44 0.00 5.89 2.20 0.06 77.42 19:09:02 0 13.63 0.00 6.70 2.17 0.03 77.46 19:09:02 1 15.35 0.00 5.13 0.92 0.05 78.55 19:09:02 2 13.50 0.00 6.20 2.37 0.07 77.85 19:09:02 3 15.28 0.00 5.48 3.34 0.07 75.84 19:10:01 all 0.20 0.00 0.07 0.00 0.00 99.73 19:10:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:10:01 1 0.61 0.00 0.10 0.00 0.00 99.29 19:10:01 2 0.07 0.00 0.03 0.00 0.00 99.90 19:10:01 3 0.07 0.00 0.07 0.00 0.00 99.86 19:11:01 all 0.20 0.00 0.07 0.00 0.00 99.73 19:11:01 0 0.05 0.00 0.05 0.00 0.02 99.88 19:11:01 1 0.53 0.00 0.07 0.00 0.02 99.38 19:11:01 2 0.10 0.00 0.07 0.00 0.00 99.83 19:11:01 3 0.08 0.00 0.10 0.00 0.00 99.82 19:12:01 all 0.07 0.00 0.05 0.00 0.00 99.87 19:12:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:12:01 1 0.10 0.00 0.05 0.00 0.00 99.85 19:12:01 2 0.07 0.00 0.07 0.00 0.02 99.85 19:12:01 3 0.10 0.00 0.08 0.00 0.00 99.82 19:13:01 all 0.15 0.00 0.05 0.00 0.00 99.80 19:13:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:13:01 1 0.42 0.00 0.05 0.00 0.00 99.53 19:13:01 2 0.07 0.00 0.03 0.00 0.00 99.90 19:13:01 3 0.07 0.00 0.07 0.00 0.00 99.87 19:14:02 all 0.17 0.00 0.05 0.00 0.00 99.78 19:14:02 0 0.42 0.00 0.05 0.00 0.02 99.52 19:14:02 1 0.17 0.00 0.05 0.00 0.02 99.77 19:14:02 2 0.03 0.00 0.05 0.00 0.00 99.92 19:14:02 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 2.53 0.00 1.02 0.36 0.01 96.07 Average: 0 2.36 0.00 1.14 0.36 0.01 96.12 Average: 1 2.85 0.00 0.90 0.15 0.01 96.07 Average: 2 2.30 0.00 1.07 0.39 0.01 96.23 Average: 3 2.59 0.00 0.97 0.55 0.01 95.88