---> uname -a: Linux bda9070f3721 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% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 791 106 0 939 976 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) 06/12/20 _x86_64_ (4 CPU) 05:32:29 LINUX RESTART 05:33:01 tps rtps wtps bread/s bwrtn/s 05:34:01 78.22 33.17 45.05 7286.05 4797.12 05:35:01 1.41 0.00 1.41 0.00 23.35 05:36:01 0.48 0.00 0.48 0.00 6.68 05:37:01 0.17 0.00 0.17 0.00 1.60 05:38:01 0.33 0.00 0.33 0.00 5.90 05:39:01 0.33 0.00 0.33 0.00 4.91 05:40:01 0.32 0.02 0.30 0.13 3.88 05:41:01 160.77 93.05 67.72 3006.95 26680.38 05:42:02 117.56 69.23 48.33 4260.68 5448.16 05:43:01 219.62 77.73 141.88 4185.82 32739.69 Average: 57.72 27.26 30.46 1872.01 6937.35 05:33:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:34:01 172248 1709308 90.85 2620 1140072 1140076 38.91 423360 1126092 120 05:35:01 181080 1700476 90.38 2620 1139984 1076100 36.73 419536 1122160 20 05:36:01 182660 1698896 90.29 2620 1139992 1075884 36.72 419596 1121044 12 05:37:01 179720 1701836 90.45 2620 1139992 1076160 36.73 422588 1120448 16 05:38:01 181152 1700404 90.37 2620 1139996 1076052 36.72 426072 1116628 16 05:39:01 181364 1700192 90.36 2620 1140004 1075980 36.72 425728 1116568 12 05:40:01 179532 1702024 90.46 2620 1140012 1076204 36.73 440340 1103520 8 05:41:01 76328 1805228 95.94 2620 1133668 1493200 50.96 490492 1118344 39252 05:42:02 136680 1744876 92.74 2620 1019096 1587588 54.18 617976 928080 56 05:43:01 198984 1682572 89.42 1492 901772 1434208 48.95 625668 773116 56 Average: 166975 1714581 91.13 2507 1103459 1211145 41.33 471136 1064600 3957 05:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:34:01 eth0 229.88 164.39 1017.40 79.90 0.00 0.00 0.00 05:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 docker0 1.25 1.20 0.27 1.77 0.00 0.00 0.00 05:35:01 eth0 1.00 0.98 2.75 0.10 0.00 0.00 0.00 05:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 eth0 0.52 0.08 0.05 0.01 0.00 0.00 0.00 05:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 eth0 1.08 0.27 0.32 0.13 0.00 0.00 0.00 05:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 eth0 0.52 0.35 0.27 0.26 0.00 0.00 0.00 05:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 eth0 0.75 0.20 0.19 0.07 0.00 0.00 0.00 05:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 eth0 0.87 0.37 0.31 0.20 0.00 0.00 0.00 05:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 eth0 143.04 68.48 3765.32 11.63 0.00 0.00 0.00 05:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:02 vethe0dfb0e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 05:42:02 eth0 523.34 344.79 5109.68 175.18 0.00 0.00 0.00 05:42:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 05:42:02 docker0 24.02 26.82 2.93 53.45 0.00 0.00 0.00 05:43:01 veth6caba3d 0.00 0.10 0.00 0.01 0.00 0.00 0.00 05:43:01 eth0 194.97 118.65 3426.60 63.59 0.00 0.00 0.00 05:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 docker0 27.23 34.99 1.68 166.84 0.00 0.00 0.00 Average: veth6caba3d 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 71.71 46.28 850.48 23.84 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.10 6.14 0.46 21.83 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) 06/12/20 _x86_64_ (4 CPU) 05:32:29 LINUX RESTART 05:33:01 CPU %user %nice %system %iowait %steal %idle 05:34:01 all 13.63 0.00 4.92 2.31 7.64 71.49 05:34:01 0 14.10 0.00 5.34 1.11 8.05 71.41 05:34:01 1 12.27 0.00 4.58 2.37 8.44 72.35 05:34:01 2 13.92 0.00 5.51 5.05 6.96 68.55 05:34:01 3 14.25 0.00 4.28 0.74 7.12 73.61 05:35:01 all 0.11 0.00 0.06 0.00 0.31 99.52 05:35:01 0 0.30 0.00 0.07 0.00 0.37 99.27 05:35:01 1 0.03 0.00 0.08 0.00 0.32 99.57 05:35:01 2 0.07 0.00 0.08 0.00 0.42 99.43 05:35:01 3 0.02 0.00 0.02 0.00 0.12 99.85 05:36:01 all 0.09 0.00 0.02 0.00 0.31 99.58 05:36:01 0 0.02 0.00 0.00 0.00 0.40 99.58 05:36:01 1 0.03 0.00 0.02 0.00 0.37 99.58 05:36:01 2 0.28 0.00 0.03 0.00 0.40 99.28 05:36:01 3 0.03 0.00 0.03 0.00 0.07 99.87 05:37:01 all 0.09 0.00 0.03 0.00 0.16 99.73 05:37:01 0 0.03 0.00 0.00 0.00 0.20 99.77 05:37:01 1 0.03 0.00 0.03 0.00 0.23 99.70 05:37:01 2 0.27 0.00 0.07 0.00 0.12 99.55 05:37:01 3 0.03 0.00 0.03 0.00 0.08 99.85 05:38:01 all 0.12 0.00 0.05 0.00 0.22 99.60 05:38:01 0 0.40 0.00 0.07 0.00 0.33 99.20 05:38:01 1 0.05 0.00 0.05 0.00 0.28 99.62 05:38:01 2 0.03 0.00 0.02 0.00 0.17 99.78 05:38:01 3 0.02 0.00 0.08 0.00 0.08 99.82 05:39:01 all 0.10 0.00 0.05 0.00 0.15 99.69 05:39:01 0 0.32 0.00 0.02 0.00 0.22 99.45 05:39:01 1 0.03 0.00 0.03 0.00 0.18 99.75 05:39:01 2 0.03 0.00 0.03 0.00 0.15 99.78 05:39:01 3 0.02 0.00 0.08 0.00 0.07 99.83 05:40:01 all 0.13 0.00 0.07 0.00 0.17 99.62 05:40:01 0 0.37 0.00 0.03 0.00 0.32 99.28 05:40:01 1 0.05 0.00 0.05 0.00 0.12 99.78 05:40:01 2 0.07 0.00 0.07 0.00 0.23 99.63 05:40:01 3 0.05 0.00 0.15 0.00 0.03 99.77 05:41:01 all 3.82 0.00 2.76 0.75 9.87 82.80 05:41:01 0 4.04 0.00 2.15 1.53 10.29 81.99 05:41:01 1 3.58 0.00 2.84 0.49 10.06 83.05 05:41:01 2 3.69 0.00 3.39 0.78 9.69 82.46 05:41:01 3 3.97 0.00 2.66 0.17 9.44 83.76 05:42:02 all 4.21 0.00 3.75 1.50 8.28 82.26 05:42:02 0 3.17 0.00 4.00 1.19 8.72 82.92 05:42:02 1 5.17 0.00 3.99 2.28 8.02 80.54 05:42:02 2 4.01 0.00 3.43 1.31 8.36 82.88 05:42:02 3 4.50 0.00 3.57 1.25 8.04 82.65 05:43:01 all 7.44 0.00 6.18 2.38 18.46 65.53 05:43:01 0 5.92 0.00 5.26 3.09 20.28 65.46 05:43:01 1 9.92 0.00 6.13 2.80 18.69 62.46 05:43:01 2 6.26 0.00 5.91 0.60 17.32 69.92 05:43:01 3 7.75 0.00 7.49 2.99 17.45 64.32 Average: all 2.94 0.00 1.78 0.69 4.54 90.05 Average: 0 2.83 0.00 1.69 0.70 4.95 89.83 Average: 1 3.09 0.00 1.77 0.79 4.65 89.70 Average: 2 2.82 0.00 1.84 0.76 4.36 90.22 Average: 3 3.02 0.00 1.82 0.51 4.21 90.43