---> uname -a: Linux 3e3e73e23815 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: 2933.436 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 774 112 0 950 995 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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) 06/18/20 _x86_64_ (4 CPU) 04:50:15 LINUX RESTART 04:51:01 tps rtps wtps bread/s bwrtn/s 04:52:01 39.88 10.54 29.34 4382.95 2442.22 04:53:01 2.00 0.00 2.00 0.00 35.30 04:54:01 0.40 0.00 0.40 0.00 5.31 04:55:01 0.15 0.00 0.15 0.00 1.73 04:56:01 0.25 0.00 0.25 0.00 3.28 04:57:02 252.45 147.48 104.97 6613.67 32022.87 04:58:01 224.40 86.63 137.77 4516.77 32695.48 Average: 73.90 34.85 39.05 2211.72 9551.68 04:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:52:01 168244 1713312 91.06 2620 1125304 1123944 38.36 446364 1107048 12 04:53:01 175336 1706220 90.68 2620 1125308 1072016 36.59 444384 1103836 12 04:54:01 174964 1706592 90.70 2620 1125316 1072076 36.59 444816 1103840 8 04:55:01 173524 1708032 90.78 2620 1125316 1072040 36.59 446544 1103256 8 04:56:01 173692 1707864 90.77 2620 1125320 1071944 36.58 455160 1094776 16 04:57:02 183212 1698344 90.26 2620 1044344 1300344 44.38 540744 959948 48 04:58:01 220044 1661512 88.31 1492 921392 1301496 44.42 622456 751484 44 Average: 181288 1700268 90.36 2459 1084614 1144837 39.07 485781 1032027 21 04:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:52:01 eth0 131.24 86.86 446.61 34.67 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 1.23 1.20 0.28 1.76 0.00 0.00 0.00 04:53:01 eth0 1.18 0.28 0.33 0.20 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 eth0 0.75 0.27 0.31 0.17 0.00 0.00 0.00 04:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 eth0 0.52 0.33 0.27 0.23 0.00 0.00 0.00 04:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 eth0 0.37 0.25 0.20 0.07 0.00 0.00 0.00 04:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:02 eth0 199.80 140.84 4010.22 29.43 0.00 0.00 0.00 04:57:02 veth28a9e65 0.30 0.33 0.05 0.14 0.00 0.00 0.00 04:57:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:57:02 docker0 22.07 21.57 2.72 52.95 0.00 0.00 0.00 04:58:01 eth0 290.00 203.76 3473.18 137.49 0.00 0.00 0.00 04:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 veth4c5d51e 1.20 0.98 0.19 0.19 0.00 0.00 0.00 04:58:01 docker0 30.41 48.71 1.88 161.47 0.00 0.00 0.00 Average: eth0 88.68 61.49 1128.14 28.64 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4c5d51e 0.17 0.14 0.03 0.03 0.00 0.00 0.00 Average: docker0 7.45 9.95 0.65 30.33 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) 06/18/20 _x86_64_ (4 CPU) 04:50:15 LINUX RESTART 04:51:01 CPU %user %nice %system %iowait %steal %idle 04:52:01 all 3.32 0.00 1.83 1.48 0.23 93.13 04:52:01 0 3.64 0.00 2.23 0.10 0.18 93.84 04:52:01 1 3.01 0.00 1.71 1.59 0.23 93.45 04:52:01 2 2.88 0.00 1.63 2.85 0.23 92.41 04:52:01 3 3.75 0.00 1.76 1.41 0.25 92.83 04:53:01 all 0.15 0.00 0.05 0.00 0.01 99.80 04:53:01 0 0.05 0.00 0.08 0.00 0.00 99.87 04:53:01 1 0.03 0.00 0.03 0.00 0.02 99.92 04:53:01 2 0.07 0.00 0.03 0.00 0.02 99.88 04:53:01 3 0.45 0.00 0.02 0.00 0.02 99.52 04:54:01 all 0.08 0.00 0.03 0.00 0.03 99.87 04:54:01 0 0.03 0.00 0.03 0.00 0.02 99.92 04:54:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:54:01 2 0.03 0.00 0.02 0.00 0.05 99.90 04:54:01 3 0.23 0.00 0.05 0.00 0.03 99.68 04:55:01 all 0.12 0.00 0.05 0.00 0.08 99.76 04:55:01 0 0.02 0.00 0.02 0.00 0.02 99.95 04:55:01 1 0.03 0.00 0.03 0.00 0.05 99.88 04:55:01 2 0.02 0.00 0.05 0.00 0.12 99.82 04:55:01 3 0.38 0.00 0.07 0.00 0.13 99.42 04:56:01 all 0.15 0.00 0.04 0.00 0.12 99.70 04:56:01 0 0.02 0.00 0.02 0.00 0.05 99.92 04:56:01 1 0.03 0.00 0.08 0.00 0.07 99.82 04:56:01 2 0.08 0.00 0.08 0.00 0.23 99.60 04:56:01 3 0.45 0.00 0.02 0.00 0.10 99.43 04:57:02 all 9.26 0.00 5.57 2.69 0.59 81.88 04:57:02 0 9.04 0.00 6.05 1.31 0.48 83.12 04:57:02 1 9.01 0.00 5.73 4.37 0.70 80.20 04:57:02 2 9.26 0.00 5.32 3.86 0.63 80.93 04:57:02 3 9.73 0.00 5.16 1.23 0.56 83.32 04:58:01 all 11.85 0.00 8.29 3.33 0.66 75.86 04:58:01 0 13.09 0.00 8.37 2.32 0.71 75.51 04:58:01 1 11.50 0.00 7.97 3.11 0.54 76.87 04:58:01 2 11.09 0.00 7.85 1.29 0.76 79.01 04:58:01 3 11.74 0.00 8.99 6.59 0.64 72.03 Average: all 3.49 0.00 2.22 1.05 0.24 93.00 Average: 0 3.62 0.00 2.35 0.52 0.20 93.31 Average: 1 3.31 0.00 2.18 1.28 0.23 93.01 Average: 2 3.28 0.00 2.10 1.13 0.29 93.20 Average: 3 3.75 0.00 2.24 1.28 0.25 92.48