---> uname -a: Linux 79afb2901cfd 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/foundry_device-virtual-go_PR-127 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/foundry_device-virtual-go_PR-127@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 654 126 0 1056 1077 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) 08/31/20 _x86_64_ (4 CPU) 19:36:13 LINUX RESTART 19:37:01 tps rtps wtps bread/s bwrtn/s 19:38:01 37.04 10.97 26.07 4431.36 2390.06 19:39:01 1.63 0.00 1.63 0.00 26.85 19:40:01 0.25 0.00 0.25 0.00 4.03 19:41:01 0.23 0.00 0.23 0.00 2.83 19:42:01 0.15 0.00 0.15 0.00 2.10 19:43:01 34.03 33.57 0.47 3561.24 9.09 Average: 12.23 7.42 4.80 1332.52 405.98 19:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:38:01 166180 1715376 91.17 2620 1146332 1104436 37.69 421008 1134532 20 19:39:01 172440 1709116 90.84 2620 1146336 1073748 36.65 418576 1131324 20 19:40:01 169460 1712096 90.99 2620 1146344 1074016 36.65 421816 1131140 8 19:41:01 166920 1714636 91.13 2620 1146344 1074100 36.66 424356 1131132 12 19:42:01 166004 1715552 91.18 2620 1146352 1074040 36.66 425936 1130440 16 19:43:01 76144 1805412 95.95 2620 1208644 1109528 37.87 436268 1204808 80 Average: 152858 1728698 91.88 2620 1156725 1084978 37.03 424660 1143896 26 19:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:38:01 eth0 122.11 80.81 447.84 35.88 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 1.51 1.37 0.28 2.92 0.00 0.00 0.00 19:39:01 eth0 0.78 0.07 0.06 0.04 0.00 0.00 0.00 19:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 eth0 1.43 0.38 0.35 0.20 0.00 0.00 0.00 19:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 eth0 2.17 0.73 0.70 0.37 0.00 0.00 0.00 19:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 eth0 1.37 0.65 0.57 0.31 0.00 0.00 0.00 19:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 eth0 8.28 4.83 8.12 2.70 0.00 0.00 0.00 19:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.70 14.58 76.30 6.59 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 0.23 0.05 0.49 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) 08/31/20 _x86_64_ (4 CPU) 19:36:13 LINUX RESTART 19:37:01 CPU %user %nice %system %iowait %steal %idle 19:38:01 all 2.96 0.00 1.69 1.08 0.01 94.26 19:38:01 0 3.23 0.00 2.02 0.32 0.02 94.42 19:38:01 1 3.07 0.00 1.52 0.17 0.00 95.24 19:38:01 2 2.73 0.00 1.32 0.12 0.00 95.84 19:38:01 3 2.79 0.00 1.89 3.73 0.00 91.58 19:39:01 all 0.16 0.00 0.04 0.00 0.00 99.80 19:39:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:39:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:39:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:39:01 3 0.53 0.00 0.03 0.00 0.00 99.43 19:40:01 all 0.17 0.00 0.03 0.00 0.00 99.80 19:40:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:40:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:40:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:40:01 3 0.55 0.00 0.02 0.00 0.00 99.43 19:41:01 all 0.12 0.00 0.03 0.00 0.00 99.85 19:41:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:41:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:41:01 2 0.03 0.00 0.03 0.00 0.00 99.93 19:41:01 3 0.37 0.00 0.05 0.00 0.00 99.58 19:42:01 all 0.19 0.00 0.03 0.00 0.00 99.78 19:42:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:42:01 1 0.13 0.00 0.03 0.00 0.02 99.82 19:42:01 2 0.07 0.00 0.02 0.00 0.02 99.90 19:42:01 3 0.53 0.00 0.03 0.00 0.00 99.43 19:43:01 all 0.60 0.00 0.29 0.74 0.00 98.36 19:43:01 0 0.60 0.00 0.32 0.40 0.00 98.68 19:43:01 1 0.52 0.00 0.30 1.89 0.00 97.30 19:43:01 2 0.35 0.00 0.35 0.22 0.00 99.08 19:43:01 3 0.93 0.00 0.20 0.47 0.00 98.40 Average: all 0.70 0.00 0.35 0.30 0.00 98.64 Average: 0 0.65 0.00 0.41 0.12 0.00 98.82 Average: 1 0.64 0.00 0.33 0.34 0.00 98.69 Average: 2 0.55 0.00 0.30 0.06 0.00 99.09 Average: 3 0.95 0.00 0.37 0.70 0.00 97.98