---> uname -a: Linux 3f215e26ab58 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: 2933.396 BogoMIPS: 5866.79 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 612 67 0 1158 1120 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) 04/03/20 _x86_64_ (4 CPU) 17:24:02 LINUX RESTART 17:25:01 tps rtps wtps bread/s bwrtn/s 17:26:01 10.34 0.00 10.34 0.00 2042.00 17:27:01 0.33 0.00 0.33 0.00 5.43 17:28:01 0.25 0.00 0.25 0.00 3.46 17:29:01 0.58 0.00 0.58 0.00 6.80 17:30:01 0.68 0.00 0.68 0.00 9.46 17:31:01 0.65 0.00 0.65 0.00 6.08 Average: 2.14 0.00 2.14 0.00 345.57 17:25:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:26:01 119236 1763068 93.67 2620 1222252 903876 30.84 437716 1168788 16 17:27:01 118348 1763956 93.71 2620 1222208 903996 30.84 438772 1168496 16 17:28:01 118024 1764280 93.73 2620 1222220 904008 30.84 439016 1168368 8 17:29:01 118304 1764000 93.71 2620 1222220 904088 30.85 439060 1168368 16 17:30:01 118652 1763652 93.70 2620 1222228 904004 30.84 438672 1168368 12 17:31:01 119040 1763264 93.68 2620 1222232 903944 30.84 438228 1168364 8 Average: 118601 1763703 93.70 2620 1222227 903986 30.84 438577 1168459 13 17:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:26:01 eth0 0.45 0.08 0.04 0.01 0.00 0.00 0.00 17:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 eth0 1.30 0.63 0.72 0.22 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 eth0 1.10 0.43 0.31 0.21 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 eth0 0.68 0.28 0.29 0.17 0.00 0.00 0.00 17:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 eth0 0.25 0.17 0.14 0.10 0.00 0.00 0.00 17:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:31:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 17:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.64 0.27 0.25 0.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 17:24:02 LINUX RESTART 17:25:01 CPU %user %nice %system %iowait %steal %idle 17:26:01 all 0.18 0.00 0.11 0.00 0.00 99.70 17:26:01 0 0.50 0.00 0.20 0.00 0.00 99.30 17:26:01 1 0.08 0.00 0.03 0.00 0.00 99.88 17:26:01 2 0.10 0.00 0.18 0.00 0.00 99.72 17:26:01 3 0.07 0.00 0.05 0.00 0.00 99.88 17:27:01 all 0.20 0.00 0.05 0.00 0.00 99.75 17:27:01 0 0.58 0.00 0.05 0.00 0.00 99.37 17:27:01 1 0.08 0.00 0.05 0.00 0.00 99.87 17:27:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:27:01 3 0.03 0.00 0.05 0.00 0.00 99.92 17:28:01 all 0.18 0.00 0.05 0.00 0.00 99.78 17:28:01 0 0.55 0.00 0.03 0.00 0.00 99.42 17:28:01 1 0.07 0.00 0.05 0.00 0.00 99.88 17:28:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:28:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:29:01 all 0.18 0.00 0.05 0.00 0.00 99.76 17:29:01 0 0.53 0.00 0.05 0.00 0.00 99.42 17:29:01 1 0.07 0.00 0.02 0.00 0.00 99.92 17:29:01 2 0.07 0.00 0.07 0.00 0.00 99.87 17:29:01 3 0.08 0.00 0.07 0.00 0.00 99.85 17:30:01 all 0.17 0.00 0.05 0.00 0.00 99.78 17:30:01 0 0.55 0.00 0.07 0.00 0.00 99.38 17:30:01 1 0.03 0.00 0.07 0.00 0.00 99.90 17:30:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:30:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:31:01 all 0.18 0.00 0.04 0.00 0.00 99.79 17:31:01 0 0.05 0.00 0.03 0.00 0.02 99.90 17:31:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:31:01 2 0.53 0.00 0.05 0.00 0.00 99.42 17:31:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.18 0.00 0.06 0.00 0.00 99.76 Average: 0 0.46 0.00 0.07 0.00 0.00 99.46 Average: 1 0.06 0.00 0.04 0.00 0.00 99.89 Average: 2 0.14 0.00 0.07 0.00 0.00 99.78 Average: 3 0.06 0.00 0.04 0.00 0.00 99.90