---> uname -a: Linux da08125f05c0 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: 2933.436 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 42.7G 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 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-32 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-32@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 667 113 0 1056 1064 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) 07/22/20 _x86_64_ (4 CPU) 06:25:46 LINUX RESTART 06:27:01 tps rtps wtps bread/s bwrtn/s 06:28:01 2.23 0.00 2.23 0.00 45.10 06:29:01 0.40 0.00 0.40 0.00 6.61 06:30:01 0.27 0.00 0.27 0.00 2.75 06:31:01 0.22 0.00 0.22 0.00 2.43 06:32:01 148.26 95.22 53.04 7192.94 19811.34 Average: 30.28 19.05 11.23 1438.83 3974.31 06:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:28:01 158936 1722620 91.55 2620 1145660 1081452 36.91 436216 1127404 20 06:29:01 156356 1725200 91.69 2620 1145664 1081672 36.92 439248 1126904 8 06:30:01 156388 1725168 91.69 2620 1145672 1081648 36.91 439408 1126904 8 06:31:01 154540 1727016 91.79 2620 1145672 1081660 36.92 443560 1124492 12 06:32:01 91108 1790448 95.16 2620 1126820 1278752 43.64 480288 1108928 8 Average: 143466 1738090 92.38 2620 1141898 1121037 38.26 447744 1122926 11 06:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:28:01 eth0 0.63 0.13 0.06 0.03 0.00 0.00 0.00 06:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 eth0 1.03 0.32 0.32 0.20 0.00 0.00 0.00 06:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 eth0 1.20 0.32 0.33 0.20 0.00 0.00 0.00 06:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 eth0 0.55 0.33 0.27 0.20 0.00 0.00 0.00 06:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 eth0 116.52 67.28 2335.72 11.73 0.00 0.00 0.00 06:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.99 13.68 467.42 2.47 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/22/20 _x86_64_ (4 CPU) 06:25:46 LINUX RESTART 06:27:01 CPU %user %nice %system %iowait %steal %idle 06:28:01 all 0.17 0.00 0.04 0.00 0.00 99.78 06:28:01 0 0.50 0.00 0.05 0.00 0.02 99.43 06:28:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:28:01 2 0.08 0.00 0.05 0.00 0.02 99.85 06:28:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:29:01 all 0.16 0.00 0.04 0.00 0.00 99.79 06:29:01 0 0.53 0.00 0.03 0.00 0.00 99.43 06:29:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:29:01 2 0.07 0.00 0.05 0.00 0.00 99.88 06:29:01 3 0.05 0.00 0.05 0.00 0.02 99.88 06:30:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:30:01 0 0.52 0.00 0.02 0.00 0.00 99.47 06:30:01 1 0.02 0.00 0.03 0.00 0.00 99.95 06:30:01 2 0.03 0.00 0.07 0.00 0.00 99.90 06:30:01 3 0.02 0.00 0.00 0.00 0.00 99.98 06:31:01 all 0.12 0.00 0.04 0.00 0.00 99.84 06:31:01 0 0.37 0.00 0.05 0.00 0.00 99.58 06:31:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:31:01 2 0.05 0.00 0.03 0.00 0.00 99.92 06:31:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:32:01 all 5.03 0.00 2.65 1.91 0.04 90.37 06:32:01 0 4.73 0.00 2.73 0.71 0.03 91.80 06:32:01 1 4.73 0.00 2.33 3.12 0.05 89.76 06:32:01 2 5.17 0.00 2.84 2.77 0.05 89.17 06:32:01 3 5.48 0.00 2.70 1.04 0.05 90.73 Average: all 1.12 0.00 0.56 0.38 0.01 97.93 Average: 0 1.32 0.00 0.57 0.14 0.01 97.96 Average: 1 0.97 0.00 0.49 0.62 0.01 97.91 Average: 2 1.08 0.00 0.60 0.55 0.01 97.76 Average: 3 1.12 0.00 0.56 0.21 0.01 98.10