---> uname -a: Linux f47239a3a8f6 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-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 781 107 0 948 986 Swap: 1023 4 1019 ---> 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) 08/31/20 _x86_64_ (4 CPU) 20:56:11 LINUX RESTART 20:57:01 tps rtps wtps bread/s bwrtn/s 20:58:01 60.11 15.66 44.45 5038.31 4847.05 20:59:01 1.38 0.00 1.38 0.00 21.51 21:00:02 0.32 0.00 0.32 0.00 3.92 21:01:01 0.25 0.02 0.24 0.14 3.01 21:02:01 0.43 0.12 0.32 2.13 6.28 21:03:01 0.32 0.00 0.32 0.00 4.33 21:04:01 212.28 128.63 83.65 5522.68 30677.24 21:05:01 116.92 35.42 81.50 1854.48 20454.84 21:06:01 191.52 114.40 77.12 7768.10 13834.28 Average: 64.97 32.76 32.21 2247.33 7778.36 20:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:58:01 168480 1713076 91.05 2620 1155488 1132708 38.66 397852 1155612 20 20:59:01 176968 1704588 90.59 2620 1155492 1067272 36.42 394640 1151516 16 21:00:02 175896 1705660 90.65 2620 1155500 1067476 36.43 397060 1150724 16 21:01:01 171936 1709620 90.86 2620 1155500 1070328 36.53 400444 1150036 12 21:02:01 172576 1708980 90.83 2620 1155644 1068128 36.45 407796 1142636 12 21:03:01 173780 1707776 90.76 2620 1155648 1067936 36.45 406760 1142636 8 21:04:01 71452 1810104 96.20 2620 1117876 1420820 48.49 520608 1081828 11200 21:05:01 77528 1804028 95.88 2536 1062544 1580052 53.92 650196 934380 61812 21:06:01 97600 1783956 94.81 1800 1027476 1234432 42.13 627424 868544 96 Average: 142913 1738643 92.40 2520 1126796 1189906 40.61 466976 1086435 8132 20:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:58:01 eth0 150.26 116.48 762.72 70.42 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 1.13 1.10 0.20 1.67 0.00 0.00 0.00 20:59:01 eth0 0.80 0.08 0.07 0.01 0.00 0.00 0.00 20:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 eth0 1.75 0.28 0.37 0.20 0.00 0.00 0.00 21:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 eth0 0.61 0.29 0.31 0.20 0.00 0.00 0.00 21:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 1.06 0.35 0.45 0.26 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.47 0.30 0.27 0.20 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 vetha46dddf 17.62 16.37 1.97 50.26 0.00 0.00 0.00 21:04:01 eth0 374.30 257.69 4888.24 97.52 0.00 0.00 0.00 21:04:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:04:01 docker0 18.75 17.35 1.94 51.92 0.00 0.00 0.00 21:05:01 eth0 167.63 121.09 3389.85 80.11 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 3.24 2.76 0.73 1.36 0.00 0.00 0.00 21:06:01 eth0 94.33 78.98 264.98 64.96 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 28.55 33.61 1.78 198.83 0.00 0.00 0.00 Average: eth0 60.56 44.76 917.22 25.67 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.63 5.98 0.50 28.07 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) 08/31/20 _x86_64_ (4 CPU) 20:56:11 LINUX RESTART 20:57:01 CPU %user %nice %system %iowait %steal %idle 20:58:01 all 9.76 0.00 3.50 2.22 8.46 76.05 20:58:01 0 10.53 0.00 4.12 1.37 8.29 75.69 20:58:01 1 7.51 0.00 3.00 3.90 9.58 76.02 20:58:01 2 10.20 0.00 3.61 1.76 8.42 76.00 20:58:01 3 10.87 0.00 3.32 1.78 7.53 76.50 20:59:01 all 0.12 0.00 0.10 0.00 0.26 99.53 20:59:01 0 0.03 0.00 0.07 0.00 0.27 99.63 20:59:01 1 0.13 0.00 0.12 0.00 0.27 99.48 20:59:01 2 0.12 0.00 0.10 0.00 0.30 99.48 20:59:01 3 0.20 0.00 0.13 0.00 0.20 99.47 21:00:02 all 0.14 0.00 0.03 0.00 0.18 99.65 21:00:02 0 0.03 0.00 0.02 0.00 0.08 99.87 21:00:02 1 0.03 0.00 0.03 0.00 0.22 99.72 21:00:02 2 0.47 0.00 0.02 0.00 0.23 99.28 21:00:02 3 0.03 0.00 0.03 0.00 0.17 99.77 21:01:01 all 0.13 0.00 0.03 0.00 0.17 99.66 21:01:01 0 0.02 0.00 0.02 0.00 0.08 99.88 21:01:01 1 0.25 0.00 0.02 0.00 0.24 99.49 21:01:01 2 0.17 0.00 0.07 0.00 0.30 99.46 21:01:01 3 0.08 0.00 0.00 0.00 0.07 99.85 21:02:01 all 0.13 0.00 0.05 0.00 0.17 99.64 21:02:01 0 0.03 0.00 0.03 0.00 0.10 99.83 21:02:01 1 0.40 0.00 0.08 0.02 0.25 99.25 21:02:01 2 0.05 0.00 0.07 0.02 0.28 99.58 21:02:01 3 0.03 0.00 0.05 0.00 0.07 99.85 21:03:01 all 0.14 0.00 0.03 0.00 0.05 99.78 21:03:01 0 0.05 0.00 0.03 0.00 0.07 99.85 21:03:01 1 0.42 0.00 0.02 0.00 0.05 99.52 21:03:01 2 0.02 0.00 0.03 0.00 0.08 99.87 21:03:01 3 0.07 0.00 0.02 0.00 0.02 99.90 21:04:01 all 5.30 0.00 3.67 1.12 8.49 81.42 21:04:01 0 5.25 0.00 4.91 0.97 8.64 80.24 21:04:01 1 5.82 0.00 4.00 1.60 8.93 79.65 21:04:01 2 4.61 0.00 2.44 0.93 8.33 83.69 21:04:01 3 5.55 0.00 3.34 0.99 8.05 82.07 21:05:01 all 6.01 0.00 5.11 1.39 11.01 76.48 21:05:01 0 6.36 0.00 5.36 1.92 12.05 74.31 21:05:01 1 6.19 0.00 5.40 2.23 11.19 74.99 21:05:01 2 5.63 0.00 4.44 0.66 10.30 78.97 21:05:01 3 5.88 0.00 5.26 0.75 10.51 77.60 21:06:01 all 5.91 0.00 5.24 2.77 12.13 73.95 21:06:01 0 4.68 0.00 5.13 0.87 13.02 76.30 21:06:01 1 5.01 0.00 5.21 3.30 12.32 74.16 21:06:01 2 6.68 0.00 4.05 3.19 11.21 74.87 21:06:01 3 7.29 0.00 6.60 3.71 11.98 70.42 Average: all 3.08 0.00 1.98 0.84 4.57 89.53 Average: 0 2.98 0.00 2.19 0.57 4.74 89.52 Average: 1 2.88 0.00 2.00 1.24 4.82 89.06 Average: 2 3.12 0.00 1.66 0.74 4.41 90.08 Average: 3 3.34 0.00 2.09 0.80 4.29 89.48