---> uname -a: Linux 8b505274a124 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 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% /w/workspace/exfoundry_go-mod-bootstrap_PR-88 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-88@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 631 121 0 1084 1099 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) 09/11/20 _x86_64_ (4 CPU) 21:29:23 LINUX RESTART (4 CPU) 21:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:31:01 69.31 30.07 39.24 0.00 6659.46 4867.40 0.00 21:32:01 1.53 0.00 1.53 0.00 0.00 31.76 0.00 21:33:01 0.40 0.00 0.40 0.00 0.00 5.43 0.00 21:34:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 21:35:01 0.28 0.00 0.28 0.00 0.00 4.31 0.00 Average: 14.20 5.94 8.25 0.00 1315.79 970.71 0.00 21:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:31:01 162284 0 553748 29.43 2620 1162904 1151840 39.31 439260 1118656 120 21:32:01 171968 0 544060 28.92 2620 1162908 1075960 36.72 431752 1118296 20 21:33:01 171876 0 544144 28.92 2620 1162916 1075960 36.72 431860 1118284 8 21:34:01 169448 0 546572 29.05 2620 1162916 1076276 36.73 438512 1114320 20 21:35:01 170668 0 545348 28.98 2620 1162920 1076024 36.72 446160 1105184 16 Average: 169249 0 546774 29.06 2620 1162913 1091212 37.24 437509 1114948 37 21:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:31:01 eth0 252.59 183.00 1023.95 92.41 0.00 0.00 0.00 0.00 21:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 docker0 1.71 1.39 0.38 3.16 0.00 0.00 0.00 0.00 21:32:01 eth0 0.27 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 eth0 0.63 0.12 0.06 0.01 0.00 0.00 0.00 0.00 21:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 eth0 1.38 0.77 0.58 0.38 0.00 0.00 0.00 0.00 21:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 21:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.39 36.37 202.45 18.34 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 0.34 0.27 0.07 0.62 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) 09/11/20 _x86_64_ (4 CPU) 21:29:23 LINUX RESTART (4 CPU) 21:30:02 CPU %user %nice %system %iowait %steal %idle 21:31:01 all 13.08 0.00 4.83 2.71 9.45 69.93 21:31:01 0 16.16 0.00 5.25 1.03 9.75 67.80 21:31:01 1 11.84 0.00 4.02 1.76 9.38 73.00 21:31:01 2 11.21 0.00 5.34 1.76 9.79 71.90 21:31:01 3 13.19 0.00 4.72 6.28 8.89 66.91 21:32:01 all 0.10 0.00 0.05 0.00 0.26 99.59 21:32:01 0 0.03 0.00 0.05 0.00 0.27 99.65 21:32:01 1 0.03 0.00 0.05 0.00 0.22 99.70 21:32:01 2 0.28 0.00 0.07 0.00 0.42 99.23 21:32:01 3 0.05 0.00 0.03 0.00 0.15 99.77 21:33:01 all 0.11 0.00 0.03 0.00 0.25 99.61 21:33:01 0 0.03 0.00 0.03 0.00 0.40 99.53 21:33:01 1 0.05 0.00 0.02 0.00 0.28 99.65 21:33:01 2 0.30 0.00 0.05 0.00 0.17 99.48 21:33:01 3 0.05 0.00 0.02 0.00 0.15 99.78 21:34:01 all 0.10 0.00 0.04 0.00 0.30 99.56 21:34:01 0 0.02 0.00 0.07 0.00 0.17 99.75 21:34:01 1 0.03 0.00 0.02 0.00 0.20 99.75 21:34:01 2 0.32 0.00 0.05 0.00 0.56 99.07 21:34:01 3 0.03 0.00 0.03 0.00 0.25 99.68 21:35:01 all 0.10 0.00 0.05 0.00 0.15 99.70 21:35:01 0 0.02 0.00 0.08 0.00 0.10 99.80 21:35:01 1 0.23 0.00 0.03 0.00 0.17 99.57 21:35:01 2 0.13 0.00 0.03 0.00 0.20 99.63 21:35:01 3 0.02 0.00 0.03 0.00 0.15 99.80 Average: all 2.63 0.00 0.98 0.53 2.04 93.83 Average: 0 3.12 0.00 1.06 0.20 2.06 93.56 Average: 1 2.40 0.00 0.82 0.35 2.02 94.42 Average: 2 2.41 0.00 1.09 0.34 2.19 93.97 Average: 3 2.60 0.00 0.94 1.23 1.88 93.35