---> uname -a: Linux 06c9b4a1e8a7 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 7.2G 42.7G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/evice-rest-go_update-pr-template@tmp /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/evice-rest-go_update-pr-template ---> free -m: total used free shared buff/cache available Mem: 1837 664 130 0 1042 1067 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 18:18:16 LINUX RESTART 18:19:01 tps rtps wtps bread/s bwrtn/s 18:20:01 33.59 9.97 23.62 4366.11 2915.80 18:21:01 1.53 0.00 1.53 0.00 27.45 18:22:01 0.25 0.00 0.25 0.00 3.90 18:23:01 0.23 0.00 0.23 0.00 2.70 18:24:01 0.18 0.00 0.18 0.00 2.22 Average: 7.16 2.00 5.17 873.57 590.64 18:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 159192 1722364 91.54 2612 1140024 1126592 38.45 436812 1126004 20 18:21:01 165140 1716416 91.22 2612 1140032 1080904 36.89 434724 1122760 20 18:22:01 164228 1717328 91.27 2612 1140036 1081184 36.90 435960 1122756 8 18:23:01 162820 1718736 91.35 2612 1140036 1081208 36.90 437936 1122084 8 18:24:01 162912 1718644 91.34 2612 1140044 1081076 36.90 441988 1118168 8 Average: 162858 1718698 91.34 2612 1140034 1090193 37.21 437484 1122354 13 18:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:20:01 eth0 235.79 188.63 587.85 177.78 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 67.35 56.40 5.58 133.51 0.00 0.00 0.00 18:21:01 eth0 1.02 0.07 0.09 0.01 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 1.53 0.53 0.60 0.36 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 0.47 0.37 0.28 0.24 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 0.23 0.20 0.08 0.07 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 47.83 37.97 117.83 35.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.48 11.28 1.12 26.71 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 18:18:16 LINUX RESTART 18:19:01 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 4.25 0.00 1.90 0.90 0.01 92.95 18:20:01 0 5.15 0.00 2.38 2.02 0.02 90.43 18:20:01 1 4.08 0.00 1.62 0.32 0.00 93.98 18:20:01 2 3.85 0.00 1.77 1.15 0.02 93.21 18:20:01 3 3.92 0.00 1.81 0.08 0.00 94.19 18:21:01 all 0.15 0.00 0.04 0.00 0.00 99.80 18:21:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:21:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:21:01 2 0.52 0.00 0.03 0.00 0.00 99.45 18:21:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:22:01 all 0.17 0.00 0.03 0.00 0.00 99.80 18:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:22:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:22:01 2 0.53 0.00 0.02 0.00 0.00 99.45 18:22:01 3 0.07 0.00 0.05 0.00 0.02 99.87 18:23:01 all 0.13 0.00 0.03 0.00 0.00 99.84 18:23:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:23:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:23:01 2 0.47 0.00 0.03 0.00 0.00 99.50 18:23:01 3 0.02 0.00 0.03 0.00 0.00 99.95 18:24:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:24:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:24:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:24:01 2 0.53 0.00 0.02 0.00 0.00 99.45 18:24:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.97 0.00 0.40 0.18 0.00 98.44 Average: 0 1.04 0.00 0.50 0.40 0.00 98.05 Average: 1 0.84 0.00 0.36 0.06 0.00 98.74 Average: 2 1.18 0.00 0.37 0.23 0.00 98.21 Average: 3 0.82 0.00 0.39 0.02 0.00 98.77