---> uname -a: Linux dd2741d447ad 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 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% /w/workspace/dgexfoundry_device-snmp-go_PR-52@tmp /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-52 ---> free -m: total used free shared buff/cache available Mem: 1837 628 119 0 1089 1104 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) 06/11/20 _x86_64_ (4 CPU) 22:27:27 LINUX RESTART 22:28:01 tps rtps wtps bread/s bwrtn/s 22:29:01 75.15 31.33 43.82 7172.73 4808.03 22:30:01 1.65 0.00 1.65 0.00 32.24 22:31:01 0.23 0.00 0.23 0.00 3.24 22:32:01 0.20 0.00 0.20 0.00 1.75 22:33:01 0.23 0.00 0.23 0.00 3.28 22:34:01 115.67 73.36 42.30 5451.64 16954.49 Average: 32.19 17.45 14.74 2104.55 3633.43 22:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:29:01 179472 1702084 90.46 2620 1162456 1132932 38.66 413936 1127496 120 22:30:01 188408 1693148 89.99 2620 1162460 1063372 36.29 408860 1125080 20 22:31:01 187580 1693976 90.03 2620 1162468 1063588 36.30 410324 1125068 8 22:32:01 186436 1695120 90.09 2620 1162468 1063540 36.30 411884 1124576 20 22:33:01 187112 1694444 90.06 2620 1162472 1063372 36.29 415956 1119580 16 22:34:01 179064 1702492 90.48 2620 1117504 1089956 37.20 412332 1087008 82460 Average: 184679 1696877 90.18 2620 1154971 1079460 36.84 412215 1118135 13774 22:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:29:01 eth0 258.64 182.87 1024.32 83.18 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 2.53 1.80 0.34 1.91 0.00 0.00 0.00 22:30:01 eth0 1.03 0.08 0.09 0.01 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 eth0 1.26 0.72 0.56 0.37 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 0.96 0.52 0.32 0.25 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 0.35 0.08 0.03 0.01 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 98.49 53.60 2334.41 11.75 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 60.15 39.66 559.94 15.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.42 0.30 0.06 0.32 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) 06/11/20 _x86_64_ (4 CPU) 22:27:27 LINUX RESTART 22:28:01 CPU %user %nice %system %iowait %steal %idle 22:29:01 all 14.10 0.00 4.90 2.68 9.24 69.08 22:29:01 0 11.03 0.00 5.19 0.92 10.01 72.86 22:29:01 1 14.02 0.00 4.61 3.87 9.96 67.54 22:29:01 2 12.76 0.00 4.88 2.13 9.04 71.19 22:29:01 3 18.69 0.00 4.92 3.80 7.94 64.67 22:30:01 all 0.15 0.00 0.04 0.00 0.15 99.66 22:30:01 0 0.42 0.00 0.03 0.00 0.23 99.32 22:30:01 1 0.07 0.00 0.03 0.00 0.10 99.80 22:30:01 2 0.07 0.00 0.05 0.00 0.13 99.75 22:30:01 3 0.03 0.00 0.03 0.00 0.15 99.78 22:31:01 all 0.12 0.00 0.03 0.00 0.30 99.55 22:31:01 0 0.03 0.00 0.07 0.00 0.25 99.65 22:31:01 1 0.37 0.00 0.03 0.00 0.27 99.33 22:31:01 2 0.05 0.00 0.03 0.00 0.27 99.65 22:31:01 3 0.05 0.00 0.02 0.00 0.38 99.55 22:32:01 all 0.10 0.00 0.03 0.00 0.27 99.60 22:32:01 0 0.03 0.00 0.05 0.00 0.33 99.58 22:32:01 1 0.32 0.00 0.02 0.00 0.23 99.43 22:32:01 2 0.05 0.00 0.03 0.00 0.38 99.53 22:32:01 3 0.02 0.00 0.02 0.00 0.13 99.83 22:33:01 all 0.11 0.00 0.04 0.00 0.23 99.62 22:33:01 0 0.05 0.00 0.08 0.00 0.43 99.43 22:33:01 1 0.33 0.00 0.02 0.00 0.20 99.45 22:33:01 2 0.03 0.00 0.03 0.00 0.18 99.75 22:33:01 3 0.00 0.00 0.02 0.00 0.12 99.87 22:34:01 all 3.97 0.00 2.28 1.27 6.92 85.56 22:34:01 0 4.21 0.00 2.92 1.18 6.98 84.70 22:34:01 1 3.25 0.00 1.65 0.87 7.14 87.10 22:34:01 2 3.22 0.00 1.98 1.52 6.68 86.60 22:34:01 3 5.26 0.00 2.60 1.50 6.84 83.80 Average: all 3.05 0.00 1.20 0.65 2.82 92.28 Average: 0 2.60 0.00 1.37 0.35 3.01 92.68 Average: 1 3.01 0.00 1.04 0.78 2.96 92.21 Average: 2 2.67 0.00 1.16 0.60 2.76 92.81 Average: 3 3.91 0.00 1.24 0.86 2.54 91.44