---> uname -a: Linux e3625dd7b3ab 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 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-rest-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 790 101 0 946 978 Swap: 1023 2 1021 ---> 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) 08/06/20 _x86_64_ (4 CPU) 18:48:02 LINUX RESTART 18:49:01 tps rtps wtps bread/s bwrtn/s 18:50:01 5.78 1.55 4.23 80.57 579.06 18:51:01 0.30 0.00 0.30 0.00 4.60 18:52:01 0.28 0.00 0.28 0.00 3.36 18:53:01 0.28 0.00 0.28 0.00 3.05 18:54:01 245.56 151.91 93.64 7009.85 31836.68 18:55:02 224.74 87.07 137.67 4828.22 32923.03 Average: 79.53 40.11 39.42 1987.31 10896.76 18:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:01 153692 1727864 91.83 2620 1133452 1128556 38.52 463776 1104508 20 18:51:01 160252 1721304 91.48 2620 1133456 1082504 36.94 461920 1100792 8 18:52:01 159696 1721860 91.51 2620 1133460 1082684 36.95 463076 1100792 8 18:53:01 159448 1722108 91.53 2620 1133464 1082504 36.94 469376 1094656 12 18:54:01 178336 1703220 90.52 2596 1043552 1292744 44.12 538644 968504 48 18:55:02 235776 1645780 87.47 1492 892816 1253876 42.79 614084 739968 52 Average: 174533 1707023 90.72 2428 1078367 1153811 39.38 501813 1018203 25 18:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:50:01 eth0 91.68 82.77 152.11 142.81 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 47.08 32.05 3.79 131.77 0.00 0.00 0.00 18:51:01 eth0 0.52 0.08 0.05 0.01 0.00 0.00 0.00 18:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 1.17 0.50 0.57 0.36 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 eth0 183.12 137.85 3986.10 43.37 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 vethb7232df 0.33 0.40 0.08 0.16 0.00 0.00 0.00 18:54:01 docker0 69.82 55.11 6.46 181.89 0.00 0.00 0.00 18:55:02 veth7ed7f8f 0.00 0.08 0.00 0.01 0.00 0.00 0.00 18:55:02 eth0 988.62 702.51 8931.19 345.92 0.00 0.00 0.00 18:55:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:55:02 docker0 50.02 50.55 3.60 202.19 0.00 0.00 0.00 Average: veth7ed7f8f 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 98.77 76.02 1290.08 44.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.94 17.55 1.67 64.03 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) 08/06/20 _x86_64_ (4 CPU) 18:48:02 LINUX RESTART 18:49:01 CPU %user %nice %system %iowait %steal %idle 18:50:01 all 1.61 0.00 0.40 0.04 0.00 97.95 18:50:01 0 1.39 0.00 0.48 0.08 0.00 98.05 18:50:01 1 1.63 0.00 0.47 0.02 0.00 97.88 18:50:01 2 1.40 0.00 0.35 0.03 0.00 98.22 18:50:01 3 2.02 0.00 0.32 0.03 0.00 97.63 18:51:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:51:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:51:01 1 0.47 0.00 0.02 0.00 0.00 99.52 18:51:01 2 0.05 0.00 0.03 0.00 0.02 99.90 18:51:01 3 0.05 0.00 0.03 0.00 0.02 99.90 18:52:01 all 0.15 0.00 0.02 0.00 0.00 99.82 18:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:52:01 1 0.47 0.00 0.02 0.00 0.00 99.52 18:52:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:53:01 all 0.14 0.00 0.02 0.00 0.00 99.84 18:53:01 0 0.48 0.00 0.02 0.00 0.00 99.50 18:53:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:53:01 2 0.03 0.00 0.07 0.00 0.00 99.90 18:53:01 3 0.02 0.00 0.00 0.00 0.00 99.98 18:54:01 all 7.71 0.00 4.32 1.86 0.03 86.08 18:54:01 0 8.08 0.00 4.34 1.55 0.02 86.02 18:54:01 1 7.42 0.00 4.18 3.00 0.02 85.38 18:54:01 2 7.78 0.00 3.85 2.09 0.03 86.25 18:54:01 3 7.60 0.00 4.90 0.77 0.02 86.71 18:55:02 all 11.61 0.00 7.35 3.21 0.03 77.81 18:55:02 0 14.36 0.00 7.97 2.16 0.03 75.48 18:55:02 1 11.05 0.00 6.58 4.01 0.02 78.35 18:55:02 2 9.95 0.00 7.10 4.07 0.05 78.83 18:55:02 3 11.05 0.00 7.76 2.60 0.03 78.55 Average: all 3.54 0.00 2.01 0.84 0.01 93.60 Average: 0 4.03 0.00 2.13 0.63 0.01 93.21 Average: 1 3.49 0.00 1.87 1.16 0.01 93.47 Average: 2 3.19 0.00 1.89 1.02 0.02 93.87 Average: 3 3.43 0.00 2.15 0.56 0.01 93.84