---> uname -a: Linux a426ddf3130e 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: 2933.396 BogoMIPS: 5866.79 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-53 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-snmp-go_PR-53@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 676 128 0 1031 1054 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) 06/18/20 _x86_64_ (4 CPU) 03:59:08 LINUX RESTART 04:00:02 tps rtps wtps bread/s bwrtn/s 04:01:01 18.59 3.93 14.66 968.91 1968.64 04:02:01 1.78 0.10 1.68 2.00 30.80 04:03:01 0.27 0.00 0.27 0.00 3.75 04:04:01 0.25 0.00 0.25 0.00 2.70 04:05:01 41.76 41.53 0.23 4055.81 3.48 Average: 12.51 9.13 3.38 1005.57 396.68 04:00:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:01:01 143476 1738080 92.37 2620 1140920 1133236 38.68 468164 1109316 24 04:02:01 150640 1730916 91.99 2620 1141064 1085828 37.06 464688 1107088 20 04:03:01 151720 1729836 91.94 2620 1141068 1081548 36.91 463900 1106856 12 04:04:01 147512 1734044 92.16 2620 1141068 1081764 36.92 470672 1104180 8 04:05:01 85448 1796108 95.46 2620 1175364 1117596 38.14 472272 1160756 92 Average: 135759 1745797 92.78 2620 1147897 1099994 37.54 467939 1117639 31 04:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:01:01 eth0 26.02 19.56 24.91 23.62 0.00 0.00 0.00 04:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 docker0 1.29 1.13 0.29 1.78 0.00 0.00 0.00 04:02:01 eth0 4.16 1.95 3.21 0.28 0.00 0.00 0.00 04:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 eth0 0.50 0.08 0.05 0.04 0.00 0.00 0.00 04:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 eth0 0.92 0.25 0.31 0.19 0.00 0.00 0.00 04:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 eth0 9.87 6.03 9.48 3.60 0.00 0.00 0.00 04:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 8.24 5.53 7.54 5.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.25 0.22 0.06 0.35 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) 06/18/20 _x86_64_ (4 CPU) 03:59:08 LINUX RESTART 04:00:02 CPU %user %nice %system %iowait %steal %idle 04:01:01 all 1.81 0.00 0.87 0.57 0.00 96.75 04:01:01 0 1.61 0.00 0.81 1.51 0.00 96.06 04:01:01 1 2.78 0.00 0.76 0.08 0.00 96.37 04:01:01 2 1.56 0.00 0.78 0.44 0.00 97.22 04:01:01 3 1.31 0.00 1.09 0.25 0.00 97.35 04:02:01 all 0.18 0.00 0.06 0.00 0.00 99.75 04:02:01 0 0.10 0.00 0.07 0.00 0.00 99.83 04:02:01 1 0.42 0.00 0.07 0.00 0.00 99.52 04:02:01 2 0.17 0.00 0.05 0.00 0.00 99.78 04:02:01 3 0.03 0.00 0.07 0.00 0.00 99.90 04:03:01 all 0.16 0.00 0.02 0.00 0.00 99.81 04:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:03:01 1 0.53 0.00 0.00 0.00 0.00 99.47 04:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:03:01 3 0.05 0.00 0.03 0.00 0.00 99.92 04:04:01 all 0.12 0.00 0.03 0.00 0.00 99.86 04:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:04:01 1 0.38 0.00 0.05 0.00 0.00 99.57 04:04:01 2 0.03 0.00 0.02 0.00 0.02 99.93 04:04:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:05:01 all 0.78 0.00 0.49 0.94 0.00 97.78 04:05:01 0 0.72 0.00 0.47 0.32 0.00 98.50 04:05:01 1 0.74 0.00 0.45 0.79 0.00 98.03 04:05:01 2 1.23 0.00 0.52 2.25 0.00 96.00 04:05:01 3 0.47 0.00 0.50 0.38 0.00 98.65 Average: all 0.61 0.00 0.29 0.30 0.00 98.80 Average: 0 0.49 0.00 0.28 0.36 0.00 98.87 Average: 1 0.96 0.00 0.26 0.17 0.00 98.60 Average: 2 0.61 0.00 0.28 0.54 0.00 98.57 Average: 3 0.37 0.00 0.34 0.13 0.00 99.16