---> uname -a: Linux 8c0da282dda7 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% /w/workspace/y_app-service-configurable_PR-65 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-65@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 630 62 0 1145 1103 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) 04/24/20 _x86_64_ (4 CPU) 23:30:31 LINUX RESTART 23:31:01 tps rtps wtps bread/s bwrtn/s 23:32:01 46.75 11.95 34.79 2525.85 3369.25 23:33:01 2.75 0.00 2.75 0.00 91.16 23:34:01 0.27 0.00 0.27 0.00 3.75 23:35:01 0.33 0.00 0.33 0.00 4.28 23:36:01 0.65 0.00 0.65 0.00 7.79 23:37:01 0.70 0.00 0.70 0.00 7.89 Average: 8.58 1.99 6.58 421.13 580.89 23:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:32:01 110264 1772040 94.14 2620 1204736 940484 32.09 458376 1150632 28 23:33:01 116996 1765308 93.78 2620 1204684 911804 31.11 453004 1150292 12 23:34:01 116148 1766156 93.83 2620 1204696 911996 31.12 454128 1150236 16 23:35:01 117372 1764932 93.76 2620 1204696 911804 31.11 452996 1150236 8 23:36:01 117108 1765196 93.78 2620 1204704 911864 31.11 453332 1150236 20 23:37:01 117608 1764696 93.75 2620 1204708 911804 31.11 453160 1150236 12 Average: 115916 1766388 93.84 2620 1204704 916626 31.27 454166 1150311 16 23:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:32:01 eth0 309.17 187.18 666.12 71.35 0.00 0.00 0.00 23:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:32:01 docker0 1.25 1.02 0.32 2.31 0.00 0.00 0.00 23:33:01 eth0 0.73 0.08 0.06 0.06 0.00 0.00 0.00 23:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:34:01 eth0 4.48 1.80 3.45 0.48 0.00 0.00 0.00 23:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:35:01 eth0 0.42 0.07 0.04 0.01 0.00 0.00 0.00 23:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:36:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 23:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:37:01 eth0 0.17 0.10 0.01 0.01 0.00 0.00 0.00 23:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 52.55 31.57 111.67 12.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.21 0.17 0.05 0.38 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) 04/24/20 _x86_64_ (4 CPU) 23:30:31 LINUX RESTART 23:31:01 CPU %user %nice %system %iowait %steal %idle 23:32:01 all 6.89 0.00 2.54 1.04 0.01 89.53 23:32:01 0 5.87 0.00 3.42 3.72 0.00 86.99 23:32:01 1 7.94 0.00 2.30 0.08 0.00 89.68 23:32:01 2 5.67 0.00 2.29 0.15 0.00 91.88 23:32:01 3 8.05 0.00 2.14 0.18 0.02 89.61 23:33:01 all 0.07 0.00 0.05 0.00 0.00 99.88 23:33:01 0 0.10 0.00 0.07 0.00 0.00 99.83 23:33:01 1 0.05 0.00 0.05 0.00 0.02 99.88 23:33:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:33:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:34:01 all 0.23 0.00 0.06 0.00 0.00 99.71 23:34:01 0 0.47 0.00 0.03 0.00 0.00 99.50 23:34:01 1 0.20 0.00 0.03 0.00 0.00 99.77 23:34:01 2 0.10 0.00 0.08 0.00 0.00 99.82 23:34:01 3 0.12 0.00 0.07 0.00 0.00 99.82 23:35:01 all 0.18 0.00 0.04 0.00 0.00 99.77 23:35:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:35:01 1 0.57 0.00 0.05 0.00 0.00 99.38 23:35:01 2 0.08 0.00 0.03 0.00 0.00 99.88 23:35:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:36:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:36:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:36:01 1 0.57 0.00 0.07 0.00 0.00 99.37 23:36:01 2 0.08 0.00 0.08 0.00 0.02 99.82 23:36:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:37:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:37:01 0 0.08 0.00 0.03 0.00 0.00 99.88 23:37:01 1 0.10 0.00 0.03 0.00 0.00 99.87 23:37:01 2 0.50 0.00 0.07 0.00 0.00 99.43 23:37:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 1.28 0.00 0.46 0.17 0.00 98.08 Average: 0 1.09 0.00 0.60 0.62 0.00 97.69 Average: 1 1.57 0.00 0.42 0.01 0.00 98.00 Average: 2 1.08 0.00 0.43 0.03 0.00 98.45 Average: 3 1.39 0.00 0.39 0.03 0.00 98.19