---> uname -a: Linux bf3ce06168a5 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 683 127 0 1026 1047 Swap: 1023 0 1023 ---> 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) 06/23/20 _x86_64_ (4 CPU) 00:59:09 LINUX RESTART 01:00:02 tps rtps wtps bread/s bwrtn/s 01:01:01 55.10 14.14 40.96 4992.36 6185.38 01:02:01 1.61 0.00 1.61 0.00 32.26 01:03:01 142.95 84.41 58.54 7188.02 19949.23 Average: 66.63 32.95 33.67 4055.97 8736.90 01:00:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:01:01 141544 1740012 92.48 2620 1126876 1172340 40.01 463456 1115408 124 01:02:01 146112 1735444 92.23 2620 1127020 1143736 39.03 462016 1113472 20 01:03:01 171236 1710320 90.90 2620 1024480 1450916 49.52 497212 1014300 32 Average: 152964 1728592 91.87 2620 1092792 1255664 42.85 474228 1081060 59 01:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:01:01 eth0 245.15 212.59 1027.16 203.28 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 48.63 34.34 3.85 135.11 0.00 0.00 0.00 01:02:01 eth0 2.81 0.68 0.73 0.40 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 veth319a172 0.00 0.02 0.00 0.00 0.00 0.00 0.00 01:03:01 eth0 509.92 365.50 3871.43 244.88 0.00 0.00 0.00 01:03:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:03:01 docker0 47.88 33.80 3.79 133.02 0.00 0.00 0.00 Average: veth319a172 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 170.88 122.48 1297.38 82.06 0.00 0.00 0.00 Average: lo 0.04 0.04 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.05 11.33 1.27 44.58 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) 06/23/20 _x86_64_ (4 CPU) 00:59:09 LINUX RESTART 01:00:02 CPU %user %nice %system %iowait %steal %idle 01:01:01 all 4.97 0.00 2.82 1.84 10.70 79.67 01:01:01 0 3.79 0.00 2.96 0.30 12.66 80.30 01:01:01 1 5.57 0.00 2.85 3.80 10.30 77.48 01:01:01 2 5.60 0.00 2.79 1.85 9.59 80.17 01:01:01 3 4.93 0.00 2.66 1.47 10.20 80.73 01:02:01 all 0.13 0.00 0.05 0.00 0.20 99.62 01:02:01 0 0.03 0.00 0.05 0.00 0.22 99.70 01:02:01 1 0.02 0.00 0.07 0.00 0.12 99.80 01:02:01 2 0.02 0.00 0.03 0.00 0.13 99.82 01:02:01 3 0.47 0.00 0.03 0.00 0.32 99.18 01:03:01 all 3.98 0.00 2.56 1.66 8.96 82.84 01:03:01 0 3.39 0.00 2.37 0.38 10.62 83.25 01:03:01 1 5.12 0.00 2.82 4.40 7.90 79.77 01:03:01 2 4.08 0.00 2.66 0.80 9.02 83.43 01:03:01 3 3.34 0.00 2.41 1.11 8.26 84.88 Average: all 3.03 0.00 1.81 1.17 6.62 87.38 Average: 0 2.41 0.00 1.80 0.23 7.86 87.70 Average: 1 3.56 0.00 1.91 2.73 6.09 85.72 Average: 2 3.22 0.00 1.83 0.88 6.24 87.83 Average: 3 2.91 0.00 1.70 0.86 6.26 88.27