---> uname -a: Linux 7b55ea6b64f4 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 622 75 0 1139 1109 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) 15:53:22 LINUX RESTART 15:54:01 tps rtps wtps bread/s bwrtn/s 15:55:01 35.24 6.54 28.70 1924.29 2310.89 15:56:01 2.55 0.00 2.55 0.00 83.90 15:57:02 0.15 0.00 0.15 0.00 2.15 15:58:01 0.32 0.00 0.32 0.00 3.69 15:59:01 30.71 30.44 0.27 1894.69 3.38 Average: 13.84 7.42 6.42 766.45 482.53 15:54:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:55:01 109696 1772608 94.17 2620 1218424 939416 32.05 459908 1154836 16 15:56:01 117524 1764780 93.76 2620 1218432 897736 30.63 454224 1154540 20 15:57:02 116388 1765916 93.82 2620 1218436 897936 30.64 455044 1154536 8 15:58:01 116328 1765976 93.82 2620 1218440 897924 30.64 454848 1154536 16 15:59:01 72052 1810252 96.17 2620 1236864 925588 31.58 479568 1174532 68 Average: 106398 1775906 94.35 2620 1222119 911720 31.11 460718 1158596 26 15:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:55:01 eth0 110.22 69.80 434.42 40.86 0.00 0.00 0.00 15:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:55:01 docker0 1.55 1.30 0.31 2.19 0.00 0.00 0.00 15:56:01 eth0 1.80 0.67 1.08 0.05 0.00 0.00 0.00 15:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:57:02 eth0 0.82 0.42 0.30 0.17 0.00 0.00 0.00 15:57:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:57:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:58:01 eth0 0.44 0.34 0.27 0.23 0.00 0.00 0.00 15:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:01 eth0 3.68 2.26 3.61 1.26 0.00 0.00 0.00 15:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.47 14.75 88.25 8.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.31 0.26 0.06 0.44 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) 15:53:22 LINUX RESTART 15:54:01 CPU %user %nice %system %iowait %steal %idle 15:55:01 all 3.59 0.00 1.67 0.99 0.03 93.73 15:55:01 0 4.06 0.00 1.69 0.05 0.03 94.16 15:55:01 1 3.46 0.00 2.01 1.65 0.03 92.85 15:55:01 2 3.26 0.00 1.40 0.08 0.03 95.22 15:55:01 3 3.57 0.00 1.56 2.14 0.03 92.70 15:56:01 all 0.16 0.00 0.07 0.00 0.00 99.77 15:56:01 0 0.37 0.00 0.08 0.00 0.00 99.55 15:56:01 1 0.10 0.00 0.07 0.00 0.00 99.83 15:56:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:56:01 3 0.10 0.00 0.08 0.00 0.00 99.82 15:57:02 all 0.17 0.00 0.05 0.00 0.00 99.78 15:57:02 0 0.17 0.00 0.07 0.00 0.00 99.77 15:57:02 1 0.05 0.00 0.03 0.00 0.00 99.92 15:57:02 2 0.13 0.00 0.03 0.00 0.00 99.83 15:57:02 3 0.32 0.00 0.07 0.00 0.00 99.62 15:58:01 all 0.18 0.00 0.06 0.00 0.00 99.76 15:58:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:58:01 1 0.07 0.00 0.12 0.00 0.00 99.81 15:58:01 2 0.08 0.00 0.07 0.00 0.00 99.85 15:58:01 3 0.53 0.00 0.03 0.00 0.00 99.44 15:59:01 all 0.70 0.00 0.21 0.63 0.03 98.43 15:59:01 0 0.30 0.00 0.15 0.45 0.02 99.08 15:59:01 1 0.28 0.00 0.28 0.13 0.03 99.27 15:59:01 2 1.38 0.00 0.17 0.93 0.02 97.50 15:59:01 3 0.83 0.00 0.20 1.05 0.07 97.85 Average: all 0.96 0.00 0.41 0.32 0.01 98.29 Average: 0 0.99 0.00 0.41 0.10 0.01 98.50 Average: 1 0.79 0.00 0.50 0.36 0.01 98.33 Average: 2 0.99 0.00 0.34 0.20 0.01 98.45 Average: 3 1.07 0.00 0.39 0.64 0.02 97.88