---> uname -a: Linux fcc2d652ef33 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-51@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 603 74 0 1160 1130 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) 02/28/20 _x86_64_ (4 CPU) 16:11:21 LINUX RESTART 16:12:02 tps rtps wtps bread/s bwrtn/s 16:13:01 51.37 10.26 41.11 2323.77 3505.88 16:14:01 2.41 0.00 2.41 0.00 71.87 16:15:01 0.27 0.00 0.27 0.00 3.46 16:16:01 0.28 0.00 0.28 0.00 3.21 16:17:01 0.27 0.00 0.27 0.00 2.96 16:18:01 0.37 0.00 0.37 0.00 4.70 Average: 9.06 1.69 7.37 382.45 591.41 16:12:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:13:01 102596 1779708 94.55 2620 1236180 987000 33.68 438944 1182864 16 16:14:01 110912 1771392 94.11 2620 1236188 938080 32.01 432072 1182548 8 16:15:01 110536 1771768 94.13 2620 1236192 938140 32.01 432404 1182544 8 16:16:01 114088 1768216 93.94 2620 1236252 912368 31.13 429684 1182552 24 16:17:01 112968 1769336 94.00 2620 1236204 912560 31.14 430688 1182544 16 16:18:01 114200 1768104 93.93 2620 1236208 912368 31.13 429820 1182544 16 Average: 110883 1771421 94.11 2620 1236204 933419 31.85 432269 1182599 15 16:12:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:13:01 eth0 96.11 82.59 519.01 53.05 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 1.81 1.74 0.32 2.07 0.00 0.00 0.00 16:14:01 eth0 2.10 0.68 0.74 0.22 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 eth0 0.78 0.68 0.52 0.40 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 0.87 0.08 0.07 0.01 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 0.80 0.60 0.42 0.28 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.59 13.95 85.71 8.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.30 0.29 0.05 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) 02/28/20 _x86_64_ (4 CPU) 16:11:21 LINUX RESTART 16:12:02 CPU %user %nice %system %iowait %steal %idle 16:13:01 all 6.32 0.00 3.18 1.30 7.10 82.11 16:13:01 0 5.20 0.00 3.16 0.73 7.63 83.27 16:13:01 1 7.06 0.00 3.12 0.20 6.93 82.69 16:13:01 2 7.09 0.00 3.42 4.13 6.53 78.83 16:13:01 3 5.87 0.00 3.00 0.14 7.32 83.66 16:14:01 all 0.15 0.00 0.11 0.00 0.31 99.43 16:14:01 0 0.03 0.00 0.05 0.00 0.23 99.68 16:14:01 1 0.08 0.00 0.12 0.00 0.32 99.48 16:14:01 2 0.27 0.00 0.12 0.02 0.28 99.32 16:14:01 3 0.20 0.00 0.13 0.00 0.40 99.27 16:15:01 all 0.16 0.00 0.05 0.00 0.23 99.56 16:15:01 0 0.05 0.00 0.02 0.00 0.10 99.83 16:15:01 1 0.07 0.00 0.07 0.00 0.17 99.70 16:15:01 2 0.07 0.00 0.03 0.00 0.43 99.47 16:15:01 3 0.47 0.00 0.08 0.00 0.23 99.22 16:16:01 all 0.11 0.00 0.05 0.00 0.12 99.72 16:16:01 0 0.02 0.00 0.03 0.00 0.10 99.85 16:16:01 1 0.07 0.00 0.05 0.00 0.08 99.80 16:16:01 2 0.05 0.00 0.07 0.00 0.15 99.73 16:16:01 3 0.30 0.00 0.07 0.00 0.13 99.50 16:17:01 all 0.17 0.00 0.05 0.00 0.30 99.48 16:17:01 0 0.08 0.00 0.08 0.00 0.75 99.09 16:17:01 1 0.10 0.00 0.03 0.00 0.15 99.72 16:17:01 2 0.03 0.00 0.03 0.00 0.10 99.83 16:17:01 3 0.50 0.00 0.03 0.00 0.20 99.27 16:18:01 all 0.12 0.00 0.06 0.00 0.35 99.46 16:18:01 0 0.03 0.00 0.05 0.00 0.18 99.73 16:18:01 1 0.03 0.00 0.07 0.00 0.45 99.45 16:18:01 2 0.33 0.00 0.05 0.00 0.38 99.23 16:18:01 3 0.05 0.00 0.08 0.00 0.40 99.47 Average: all 1.16 0.00 0.58 0.21 1.39 96.66 Average: 0 0.89 0.00 0.56 0.12 1.48 96.96 Average: 1 1.24 0.00 0.58 0.03 1.35 96.80 Average: 2 1.29 0.00 0.61 0.68 1.30 96.12 Average: 3 1.21 0.00 0.56 0.02 1.42 96.78