---> uname -a: Linux c028e25a7068 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-56 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-56@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 590 65 0 1182 1142 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) 04/02/20 _x86_64_ (4 CPU) 22:30:44 LINUX RESTART 22:31:02 tps rtps wtps bread/s bwrtn/s 22:32:01 107.24 37.81 69.44 4843.32 34047.01 22:33:01 3.48 0.00 3.48 0.00 109.39 22:34:01 0.25 0.00 0.25 0.00 4.01 22:35:01 64.41 50.15 14.26 3448.52 8145.64 Average: 43.59 21.93 21.66 2061.96 10480.97 22:31:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:32:01 111632 1770672 94.07 2620 1243072 954208 32.56 420816 1188620 20 22:33:01 120772 1761532 93.58 2620 1243104 910412 31.06 416524 1186796 8 22:34:01 120708 1761596 93.59 2620 1243112 901376 30.75 416972 1186684 8 22:35:01 74460 1807844 96.04 2620 1244268 1126272 38.43 432856 1206632 36088 Average: 106893 1775411 94.32 2620 1243389 973067 33.20 421792 1192183 9031 22:31:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:32:01 eth0 340.55 230.63 1011.53 84.73 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 1.42 1.27 0.30 2.15 0.00 0.00 0.00 22:33:01 eth0 1.47 0.52 0.58 0.04 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 0.75 0.33 0.29 0.20 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 91.76 75.96 2324.86 8.48 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 107.69 76.24 833.85 23.11 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 0.07 0.53 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) 04/02/20 _x86_64_ (4 CPU) 22:30:44 LINUX RESTART 22:31:02 CPU %user %nice %system %iowait %steal %idle 22:32:01 all 14.81 0.00 5.94 6.21 0.80 72.23 22:32:01 0 15.40 0.00 6.07 5.51 0.64 72.38 22:32:01 1 15.34 0.00 6.28 4.60 0.84 72.93 22:32:01 2 13.58 0.00 5.81 5.83 0.83 73.95 22:32:01 3 14.91 0.00 5.59 8.92 0.90 69.68 22:33:01 all 0.18 0.00 0.06 0.00 0.02 99.75 22:33:01 0 0.08 0.00 0.05 0.00 0.00 99.87 22:33:01 1 0.50 0.00 0.10 0.00 0.02 99.38 22:33:01 2 0.08 0.00 0.07 0.00 0.03 99.82 22:33:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:34:01 all 0.19 0.00 0.06 0.00 0.01 99.74 22:34:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:34:01 1 0.12 0.00 0.03 0.00 0.02 99.83 22:34:01 2 0.12 0.00 0.08 0.00 0.03 99.77 22:34:01 3 0.45 0.00 0.07 0.00 0.02 99.47 22:35:01 all 2.53 0.00 1.27 1.00 0.23 94.97 22:35:01 0 2.12 0.00 1.49 1.09 0.25 95.05 22:35:01 1 2.93 0.00 1.24 1.76 0.25 93.83 22:35:01 2 2.09 0.00 1.36 0.52 0.22 95.81 22:35:01 3 3.03 0.00 1.00 0.60 0.22 95.15 Average: all 4.34 0.00 1.80 1.76 0.26 91.85 Average: 0 4.32 0.00 1.88 1.62 0.22 91.97 Average: 1 4.63 0.00 1.88 1.56 0.28 91.65 Average: 2 3.88 0.00 1.79 1.55 0.27 92.50 Average: 3 4.51 0.00 1.63 2.32 0.28 91.26