---> uname -a: Linux acf9d97ca547 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: 2933.442 BogoMIPS: 5866.88 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-snmp-go_PR-59 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-snmp-go_PR-59@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 666 136 0 1034 1065 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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) 19:40:40 LINUX RESTART 19:41:01 tps rtps wtps bread/s bwrtn/s 19:42:01 189.25 101.43 87.81 11906.51 40183.39 19:43:01 3.35 0.00 3.35 0.00 104.63 19:44:01 0.42 0.00 0.42 0.00 5.98 19:45:01 0.32 0.00 0.32 0.00 3.51 19:46:01 0.22 0.00 0.22 0.00 2.98 19:47:01 0.35 0.00 0.35 0.00 5.65 Average: 32.33 16.91 15.42 1985.30 6720.67 19:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:42:01 185024 1696532 90.17 2620 1109252 1106288 37.76 421828 1116000 120 19:43:01 187352 1694204 90.04 2620 1109468 1092380 37.28 422492 1113252 16 19:44:01 189652 1691904 89.92 2620 1109476 1072848 36.61 421668 1112076 8 19:45:01 189280 1692276 89.94 2620 1109476 1073060 36.62 422504 1112076 20 19:46:01 187880 1693676 90.01 2620 1109484 1073036 36.62 431652 1104500 8 19:47:01 187316 1694240 90.04 2620 1109488 1073060 36.62 433608 1102892 8 Average: 187751 1693805 90.02 2620 1109441 1081779 36.92 425625 1110133 30 19:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:42:01 eth0 362.31 196.74 1032.78 82.32 0.00 0.00 0.00 19:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 docker0 0.97 0.87 0.19 1.65 0.00 0.00 0.00 19:43:01 eth0 0.63 0.30 0.28 0.18 0.00 0.00 0.00 19:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:01 eth0 0.70 0.08 0.06 0.04 0.00 0.00 0.00 19:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 eth0 1.17 0.40 0.33 0.20 0.00 0.00 0.00 19:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 eth0 1.02 0.43 0.33 0.21 0.00 0.00 0.00 19:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 eth0 1.13 0.38 0.44 0.26 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 61.19 33.07 172.45 13.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.14 0.03 0.28 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) 19:40:40 LINUX RESTART 19:41:01 CPU %user %nice %system %iowait %steal %idle 19:42:01 all 16.99 0.00 7.66 7.02 0.10 68.23 19:42:01 0 15.64 0.00 6.87 6.25 0.08 71.16 19:42:01 1 18.41 0.00 8.09 5.13 0.10 68.27 19:42:01 2 18.20 0.00 7.77 9.77 0.08 64.18 19:42:01 3 15.69 0.00 7.92 6.95 0.12 69.32 19:43:01 all 0.17 0.00 0.03 0.00 0.00 99.80 19:43:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:43:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:43:01 2 0.50 0.00 0.03 0.00 0.00 99.47 19:43:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:44:01 all 0.14 0.00 0.03 0.00 0.00 99.83 19:44:01 0 0.07 0.00 0.02 0.00 0.00 99.92 19:44:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:44:01 2 0.43 0.00 0.05 0.00 0.00 99.52 19:44:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:45:01 all 0.03 0.00 0.03 0.00 0.00 99.94 19:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:45:01 1 0.00 0.00 0.02 0.00 0.00 99.98 19:45:01 2 0.05 0.00 0.03 0.00 0.02 99.90 19:45:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:46:01 all 0.14 0.00 0.03 0.00 0.00 99.82 19:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:46:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:46:01 2 0.45 0.00 0.03 0.00 0.00 99.52 19:46:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:47:01 all 0.17 0.00 0.06 0.00 0.00 99.78 19:47:01 0 0.02 0.00 0.15 0.00 0.02 99.82 19:47:01 1 0.03 0.00 0.02 0.00 0.00 99.95 19:47:01 2 0.57 0.00 0.02 0.00 0.00 99.42 19:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 2.92 0.00 1.30 1.16 0.02 94.61 Average: 0 2.62 0.00 1.18 1.03 0.02 95.16 Average: 1 3.07 0.00 1.35 0.85 0.02 94.71 Average: 2 3.35 0.00 1.31 1.62 0.02 93.70 Average: 3 2.63 0.00 1.34 1.15 0.02 94.86