---> uname -a: Linux cb0be48f1fca 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% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-59 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-59@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 607 75 0 1155 1126 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) 04/14/20 _x86_64_ (4 CPU) 18:59:53 LINUX RESTART 19:01:01 tps rtps wtps bread/s bwrtn/s 19:02:01 9.02 0.08 8.94 2.00 2089.49 19:03:01 0.17 0.00 0.17 0.00 2.02 19:04:01 0.28 0.00 0.28 0.00 3.75 19:05:01 0.23 0.00 0.23 0.00 2.96 19:06:01 0.27 0.00 0.27 0.00 3.21 19:07:01 134.53 92.82 41.71 5647.95 16640.04 Average: 24.09 15.49 8.60 941.87 3124.27 19:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:02:01 116028 1766276 93.84 2620 1228764 911912 31.11 432448 1175944 20 19:03:01 115736 1766568 93.85 2620 1228768 903880 30.84 432788 1175868 20 19:04:01 115232 1767072 93.88 2620 1228772 903916 30.84 433056 1175868 8 19:05:01 116024 1766280 93.84 2620 1228780 903868 30.84 432968 1175868 8 19:06:01 116536 1765768 93.81 2620 1228784 903772 30.84 432276 1175868 8 19:07:01 69288 1813016 96.32 2620 1194196 966360 32.97 469292 1147956 101828 Average: 108141 1774163 94.25 2620 1223011 915618 31.24 438805 1171229 16982 19:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:02:01 eth0 4.16 2.01 3.22 0.14 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 eth0 0.97 0.45 0.32 0.15 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 eth0 1.15 0.37 0.33 0.26 0.00 0.00 0.00 19:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 0.50 0.38 0.27 0.20 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 0.58 0.17 0.11 0.07 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 106.93 85.66 2338.32 13.51 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 veth7867151 0.00 0.10 0.00 0.01 0.00 0.00 0.00 19:07:01 docker0 1.18 1.02 0.30 2.29 0.00 0.00 0.00 Average: eth0 19.05 14.84 390.52 2.39 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth7867151 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.20 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) 04/14/20 _x86_64_ (4 CPU) 18:59:53 LINUX RESTART 19:01:01 CPU %user %nice %system %iowait %steal %idle 19:02:01 all 0.23 0.00 0.11 0.00 0.00 99.66 19:02:01 0 0.15 0.00 0.20 0.00 0.00 99.65 19:02:01 1 0.55 0.00 0.02 0.00 0.00 99.43 19:02:01 2 0.15 0.00 0.12 0.00 0.00 99.73 19:02:01 3 0.07 0.00 0.10 0.00 0.00 99.83 19:03:01 all 0.21 0.00 0.05 0.00 0.00 99.74 19:03:01 0 0.12 0.00 0.05 0.00 0.00 99.83 19:03:01 1 0.55 0.00 0.07 0.00 0.00 99.38 19:03:01 2 0.07 0.00 0.03 0.00 0.00 99.90 19:03:01 3 0.10 0.00 0.07 0.00 0.00 99.83 19:04:01 all 0.18 0.00 0.04 0.00 0.00 99.78 19:04:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:04:01 1 0.55 0.00 0.07 0.00 0.00 99.38 19:04:01 2 0.03 0.00 0.03 0.00 0.00 99.93 19:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:05:01 all 0.20 0.00 0.05 0.00 0.00 99.76 19:05:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:05:01 1 0.57 0.00 0.05 0.00 0.00 99.38 19:05:01 2 0.10 0.00 0.07 0.00 0.00 99.83 19:05:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:06:01 all 0.18 0.00 0.04 0.00 0.00 99.78 19:06:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:06:01 1 0.55 0.00 0.03 0.00 0.00 99.42 19:06:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:06:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:07:01 all 5.95 0.00 3.64 1.52 0.05 88.84 19:07:01 0 5.28 0.00 3.38 1.16 0.07 90.12 19:07:01 1 6.86 0.00 4.13 2.70 0.07 86.24 19:07:01 2 5.16 0.00 3.55 0.44 0.03 90.81 19:07:01 3 6.51 0.00 3.51 1.78 0.05 88.15 Average: all 1.15 0.00 0.65 0.25 0.01 97.94 Average: 0 0.95 0.00 0.62 0.19 0.01 98.22 Average: 1 1.60 0.00 0.72 0.45 0.01 97.22 Average: 2 0.92 0.00 0.64 0.07 0.01 98.36 Average: 3 1.13 0.00 0.63 0.29 0.01 97.94