---> uname -a: Linux 3f1eeee03e20 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-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 616 74 0 1146 1115 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) 16:00:03 LINUX RESTART 16:01:01 tps rtps wtps bread/s bwrtn/s 16:02:01 16.08 1.55 14.53 86.15 2143.53 16:03:01 2.47 0.00 2.47 0.00 80.00 16:04:01 0.33 0.00 0.33 0.00 4.81 16:05:01 0.25 0.00 0.25 0.00 3.86 16:06:01 0.37 0.00 0.37 0.00 5.63 Average: 3.90 0.31 3.59 17.24 447.82 16:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:02:01 104948 1777356 94.42 2620 1224764 947848 32.34 452332 1166552 8 16:03:01 112096 1770208 94.04 2620 1224772 911248 31.09 446092 1166476 16 16:04:01 111336 1770968 94.09 2620 1224776 911404 31.10 447148 1166476 20 16:05:01 111088 1771216 94.10 2620 1224780 911428 31.10 447316 1166476 8 16:06:01 111760 1770544 94.06 2620 1224784 911356 31.10 446792 1166476 20 Average: 110246 1772058 94.14 2620 1224775 918657 31.34 447936 1166491 14 16:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:02:01 eth0 10.04 8.19 7.12 17.57 0.00 0.00 0.00 16:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:02:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 16:03:01 eth0 0.35 0.08 0.02 0.01 0.00 0.00 0.00 16:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 eth0 1.85 0.60 0.56 0.22 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 eth0 1.22 0.37 0.32 0.20 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 0.63 0.35 0.40 0.26 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.82 1.92 1.68 3.65 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) 16:00:03 LINUX RESTART 16:01:01 CPU %user %nice %system %iowait %steal %idle 16:02:01 all 1.06 0.00 0.27 0.11 0.00 98.56 16:02:01 0 0.65 0.00 0.27 0.02 0.02 99.05 16:02:01 1 2.28 0.00 0.27 0.38 0.00 97.07 16:02:01 2 0.58 0.00 0.22 0.03 0.00 99.17 16:02:01 3 0.70 0.00 0.28 0.03 0.00 98.98 16:03:01 all 0.18 0.00 0.05 0.00 0.00 99.76 16:03:01 0 0.02 0.00 0.05 0.00 0.00 99.93 16:03:01 1 0.15 0.00 0.05 0.00 0.02 99.78 16:03:01 2 0.08 0.00 0.07 0.00 0.00 99.85 16:03:01 3 0.48 0.00 0.07 0.00 0.00 99.45 16:04:01 all 0.20 0.00 0.05 0.00 0.00 99.74 16:04:01 0 0.08 0.00 0.07 0.00 0.00 99.85 16:04:01 1 0.07 0.00 0.07 0.00 0.00 99.87 16:04:01 2 0.12 0.00 0.05 0.00 0.02 99.82 16:04:01 3 0.55 0.00 0.03 0.00 0.02 99.40 16:05:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:05:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:05:01 2 0.10 0.00 0.08 0.00 0.00 99.82 16:05:01 3 0.55 0.00 0.05 0.00 0.00 99.40 16:06:01 all 0.20 0.00 0.04 0.00 0.00 99.76 16:06:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:06:01 1 0.12 0.00 0.07 0.00 0.00 99.82 16:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:06:01 3 0.55 0.00 0.03 0.00 0.02 99.40 Average: all 0.36 0.00 0.09 0.02 0.00 99.52 Average: 0 0.16 0.00 0.09 0.00 0.00 99.74 Average: 1 0.53 0.00 0.10 0.08 0.00 99.29 Average: 2 0.19 0.00 0.09 0.01 0.00 99.71 Average: 3 0.57 0.00 0.09 0.01 0.01 99.33