---> uname -a: Linux 0059b349f6f6 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 768 115 0 953 1003 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) 06/17/20 _x86_64_ (4 CPU) 19:20:46 LINUX RESTART 19:21:01 tps rtps wtps bread/s bwrtn/s 19:22:02 171.30 82.75 88.55 10295.85 40942.17 19:23:01 1.69 0.00 1.69 0.00 31.57 19:24:01 0.25 0.00 0.25 0.00 4.05 19:25:01 0.25 0.00 0.25 0.00 2.70 19:26:01 0.23 0.00 0.23 0.00 3.36 19:27:01 232.29 150.62 81.67 6646.19 31084.83 19:28:01 219.67 76.65 143.02 4316.19 31975.75 Average: 89.62 44.41 45.21 3044.96 14903.51 19:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:02 159752 1721804 91.51 2620 1149640 1110852 37.91 457896 1103572 120 19:23:01 165048 1716508 91.23 2620 1149672 1075512 36.71 455692 1101548 20 19:24:01 164792 1716764 91.24 2620 1149680 1075732 36.71 456704 1101536 8 19:25:01 164228 1717328 91.27 2620 1149680 1075804 36.72 457040 1101536 8 19:26:01 164408 1717148 91.26 2620 1149684 1075576 36.71 466400 1092104 8 19:27:01 86444 1795112 95.41 2620 1098056 1496488 51.07 578220 1012480 10704 19:28:01 127224 1754332 93.24 1736 996568 1323852 45.18 696412 767640 0 Average: 147414 1734142 92.17 2494 1120426 1176259 40.14 509766 1040059 1553 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:22:02 eth0 645.08 440.12 1308.75 230.82 0.00 0.00 0.00 19:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:02 docker0 56.95 42.83 4.32 132.49 0.00 0.00 0.00 19:23:01 eth0 0.73 0.07 0.06 0.01 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 3.98 1.62 3.20 0.28 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 0.40 0.33 0.26 0.20 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 19:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 eth0 174.29 124.98 3981.17 19.01 0.00 0.00 0.00 19:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 docker0 21.27 20.03 2.53 49.53 0.00 0.00 0.00 19:28:01 eth0 329.07 228.14 3555.39 98.79 0.00 0.00 0.00 19:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 docker0 23.46 25.13 1.62 157.64 0.00 0.00 0.00 Average: eth0 165.26 113.93 1267.51 50.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.57 12.60 1.21 48.66 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) 19:20:46 LINUX RESTART 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:02 all 15.21 0.00 6.28 6.45 0.02 72.04 19:22:02 0 15.59 0.00 7.27 5.06 0.00 72.08 19:22:02 1 13.95 0.00 6.30 8.03 0.03 71.69 19:22:02 2 15.76 0.00 5.75 5.29 0.02 73.18 19:22:02 3 15.53 0.00 5.82 7.43 0.02 71.21 19:23:01 all 0.14 0.00 0.04 0.00 0.00 99.82 19:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:23:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:23:01 2 0.47 0.00 0.05 0.00 0.00 99.47 19:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:24:01 all 0.09 0.00 0.03 0.00 0.00 99.87 19:24:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:24:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:24:01 2 0.23 0.00 0.05 0.00 0.00 99.72 19:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:25:01 all 0.16 0.00 0.02 0.00 0.00 99.82 19:25:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:25:01 1 0.05 0.00 0.02 0.00 0.00 99.93 19:25:01 2 0.53 0.00 0.02 0.00 0.00 99.45 19:25:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 all 0.16 0.00 0.03 0.00 0.00 99.81 19:26:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 1 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 2 0.53 0.00 0.05 0.00 0.00 99.42 19:26:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:27:01 all 7.25 0.00 3.40 2.11 0.02 87.23 19:27:01 0 7.39 0.00 3.47 1.53 0.03 87.58 19:27:01 1 6.94 0.00 3.62 2.36 0.02 87.05 19:27:01 2 7.23 0.00 3.42 3.39 0.02 85.94 19:27:01 3 7.43 0.00 3.06 1.16 0.02 88.34 19:28:01 all 11.07 0.00 6.30 3.02 0.02 79.60 19:28:01 0 12.55 0.00 7.17 5.04 0.00 75.24 19:28:01 1 10.56 0.00 5.83 2.83 0.02 80.76 19:28:01 2 9.92 0.00 6.42 3.23 0.03 80.39 19:28:01 3 11.26 0.00 5.78 0.95 0.02 81.99 Average: all 4.86 0.00 2.29 1.65 0.01 91.19 Average: 0 5.08 0.00 2.56 1.66 0.00 90.70 Average: 1 4.51 0.00 2.26 1.89 0.01 91.33 Average: 2 4.95 0.00 2.25 1.70 0.01 91.09 Average: 3 4.88 0.00 2.10 1.36 0.01 91.65