---> uname -a: Linux af564cec1a1c 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-62 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-62@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 621 71 0 1145 1111 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) 04/21/20 _x86_64_ (4 CPU) 21:54:39 LINUX RESTART 21:55:02 tps rtps wtps bread/s bwrtn/s 21:56:01 84.63 33.76 50.87 4978.36 12698.73 21:57:01 4.20 0.00 4.20 0.00 129.19 21:58:01 0.63 0.00 0.63 0.00 7.93 21:59:01 0.62 0.00 0.62 0.00 7.80 22:00:01 0.70 0.00 0.70 0.00 8.23 22:01:01 0.57 0.02 0.55 0.13 7.45 Average: 15.04 5.55 9.48 818.55 2114.72 21:55:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:56:01 98252 1784052 94.78 2620 1214340 942212 32.15 469320 1148468 16 21:57:01 103544 1778760 94.50 2620 1214516 939700 32.06 466812 1148308 12 21:58:01 107368 1774936 94.30 2620 1214528 902596 30.80 463944 1148244 8 21:59:01 107024 1775280 94.31 2620 1214528 902692 30.80 464608 1148244 16 22:00:01 106936 1775368 94.32 2620 1214536 902668 30.80 464308 1148244 12 22:01:01 106488 1775816 94.34 2620 1214540 905376 30.89 464868 1148244 12 Average: 104935 1777369 94.43 2620 1214498 915874 31.25 465643 1148292 13 21:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:56:01 eth0 396.09 245.34 1021.97 88.60 0.00 0.00 0.00 21:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:56:01 docker0 1.10 0.96 0.30 2.24 0.00 0.00 0.00 21:57:01 eth0 1.88 0.63 0.64 0.40 0.00 0.00 0.00 21:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 eth0 1.97 0.35 0.38 0.20 0.00 0.00 0.00 21:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 eth0 2.35 0.63 0.77 0.40 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 eth0 1.22 0.30 0.33 0.23 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 eth0 1.37 0.65 0.69 0.46 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 66.59 40.77 168.50 14.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.18 0.16 0.05 0.37 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) 04/21/20 _x86_64_ (4 CPU) 21:54:39 LINUX RESTART 21:55:02 CPU %user %nice %system %iowait %steal %idle 21:56:01 all 13.16 0.00 4.40 3.04 0.03 79.37 21:56:01 0 12.09 0.00 5.26 2.19 0.02 80.44 21:56:01 1 14.76 0.00 3.64 3.48 0.03 78.08 21:56:01 2 12.31 0.00 4.27 4.05 0.03 79.33 21:56:01 3 13.46 0.00 4.39 2.44 0.05 79.65 21:57:01 all 0.16 0.00 0.07 0.00 0.00 99.77 21:57:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:57:01 1 0.40 0.00 0.07 0.00 0.00 99.53 21:57:01 2 0.08 0.00 0.10 0.00 0.00 99.82 21:57:01 3 0.10 0.00 0.07 0.00 0.00 99.83 21:58:01 all 0.06 0.00 0.04 0.00 0.00 99.90 21:58:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:58:01 1 0.07 0.00 0.03 0.00 0.00 99.90 21:58:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:58:01 3 0.08 0.00 0.03 0.00 0.00 99.88 21:59:01 all 0.15 0.00 0.05 0.00 0.00 99.80 21:59:01 0 0.07 0.00 0.03 0.00 0.00 99.90 21:59:01 1 0.12 0.00 0.03 0.00 0.00 99.85 21:59:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:59:01 3 0.37 0.00 0.05 0.00 0.00 99.58 22:00:01 all 0.18 0.00 0.04 0.00 0.00 99.78 22:00:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:00:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:00:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:00:01 3 0.55 0.00 0.03 0.00 0.00 99.42 22:01:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:01:01 0 0.03 0.00 0.03 0.02 0.02 99.90 22:01:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:01:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:01:01 3 0.53 0.00 0.05 0.00 0.02 99.40 Average: all 2.27 0.00 0.76 0.50 0.01 96.47 Average: 0 2.02 0.00 0.89 0.36 0.01 96.72 Average: 1 2.53 0.00 0.63 0.57 0.01 96.26 Average: 2 2.06 0.00 0.75 0.66 0.01 96.53 Average: 3 2.47 0.00 0.76 0.40 0.01 96.36