---> uname -a: Linux 7e5c5f84b2b4 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/foundry_device-virtual-go_PR-129 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/foundry_device-virtual-go_PR-129@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 673 132 0 1031 1057 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) 09/17/20 _x86_64_ (4 CPU) 09:02:42 LINUX RESTART (4 CPU) 09:04:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:05:01 3.12 0.00 3.12 0.00 0.00 106.01 0.00 09:06:01 0.40 0.00 0.40 0.00 0.00 5.80 0.00 09:07:01 0.30 0.00 0.30 0.00 0.00 4.53 0.00 09:08:01 0.22 0.00 0.22 0.00 0.00 2.17 0.00 09:09:01 0.30 0.00 0.30 0.00 0.00 4.23 0.00 09:10:02 0.28 0.02 0.27 0.00 0.13 3.01 0.00 Average: 0.76 0.00 0.76 0.00 0.02 20.72 0.00 09:04:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:05:01 170404 0 590256 31.37 2620 1118276 1090480 37.22 427860 1124940 12 09:06:01 172648 0 588008 31.25 2620 1118280 1074032 36.65 427604 1123772 8 09:07:01 170648 0 590000 31.36 2620 1118288 1074264 36.66 430208 1123116 8 09:08:01 170576 0 590072 31.36 2620 1118288 1074328 36.66 456700 1096720 12 09:09:01 168232 0 592412 31.49 2620 1118292 1074304 36.66 461176 1094776 8 09:10:02 168912 0 591720 31.45 2620 1118304 1074160 36.66 460520 1094776 8 Average: 170237 0 590411 31.38 2620 1118288 1076928 36.75 444011 1109683 9 09:04:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:05:01 eth0 1.98 0.49 0.62 0.36 0.00 0.00 0.00 0.00 09:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 eth0 2.73 0.08 0.25 0.04 0.00 0.00 0.00 0.00 09:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 eth0 3.03 1.17 1.24 0.77 0.00 0.00 0.00 0.00 09:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 eth0 2.18 0.58 0.65 0.44 0.00 0.00 0.00 0.00 09:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 eth0 1.38 0.72 0.72 0.44 0.00 0.00 0.00 0.00 09:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 eth0 1.47 0.08 0.13 0.04 0.00 0.00 0.00 0.00 09:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.13 0.52 0.60 0.35 0.00 0.00 0.00 0.00 Average: lo 0.00 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 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/17/20 _x86_64_ (4 CPU) 09:02:42 LINUX RESTART (4 CPU) 09:04:02 CPU %user %nice %system %iowait %steal %idle 09:05:01 all 0.19 0.00 0.06 0.00 0.00 99.75 09:05:01 0 0.05 0.00 0.05 0.00 0.00 99.90 09:05:01 1 0.03 0.00 0.05 0.00 0.00 99.92 09:05:01 2 0.58 0.00 0.03 0.00 0.00 99.39 09:05:01 3 0.08 0.00 0.10 0.00 0.00 99.81 09:06:01 all 0.16 0.00 0.03 0.00 0.00 99.80 09:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:06:01 1 0.05 0.00 0.05 0.00 0.00 99.90 09:06:01 2 0.52 0.00 0.02 0.00 0.00 99.47 09:06:01 3 0.07 0.00 0.05 0.00 0.00 99.88 09:07:01 all 0.18 0.00 0.04 0.00 0.00 99.77 09:07:01 0 0.05 0.00 0.05 0.00 0.00 99.90 09:07:01 1 0.07 0.00 0.05 0.00 0.00 99.88 09:07:01 2 0.50 0.00 0.03 0.00 0.02 99.45 09:07:01 3 0.12 0.00 0.02 0.00 0.00 99.87 09:08:01 all 0.10 0.00 0.06 0.00 0.00 99.84 09:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:08:01 1 0.07 0.00 0.15 0.00 0.00 99.78 09:08:01 2 0.30 0.00 0.07 0.00 0.00 99.63 09:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:09:01 all 0.05 0.00 0.04 0.00 0.00 99.92 09:09:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:09:01 1 0.03 0.00 0.05 0.00 0.00 99.92 09:09:01 2 0.08 0.00 0.05 0.00 0.00 99.87 09:09:01 3 0.05 0.00 0.03 0.00 0.00 99.92 09:10:02 all 0.09 0.00 0.03 0.00 0.00 99.88 09:10:02 0 0.02 0.00 0.03 0.00 0.00 99.95 09:10:02 1 0.02 0.00 0.02 0.00 0.00 99.97 09:10:02 2 0.10 0.00 0.03 0.00 0.00 99.87 09:10:02 3 0.22 0.00 0.03 0.00 0.00 99.75 Average: all 0.13 0.00 0.04 0.00 0.00 99.83 Average: 0 0.03 0.00 0.03 0.00 0.00 99.94 Average: 1 0.04 0.00 0.06 0.00 0.00 99.89 Average: 2 0.35 0.00 0.04 0.00 0.00 99.61 Average: 3 0.09 0.00 0.04 0.00 0.00 99.87