---> uname -a: Linux fafdb74f9c95 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 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/exfoundry_go-mod-messaging_PR-60 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-60@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 639 128 0 1069 1092 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) 09/16/20 _x86_64_ (4 CPU) 21:39:41 LINUX RESTART (4 CPU) 21:41:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:42:01 3.36 0.00 3.36 0.00 0.00 104.56 0.00 21:43:01 0.37 0.00 0.37 0.00 0.00 4.48 0.00 21:44:01 0.37 0.00 0.37 0.00 0.00 5.73 0.00 21:45:01 0.28 0.00 0.28 0.00 0.00 2.85 0.00 Average: 1.10 0.00 1.10 0.00 0.00 29.41 0.00 21:41:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:42:01 178016 0 551608 29.32 2620 1149312 1089624 37.19 400864 1143480 12 21:43:01 176528 0 553092 29.40 2620 1149316 1079452 36.84 403224 1142448 16 21:44:01 176336 0 553276 29.41 2620 1149324 1079452 36.84 405392 1140436 8 21:45:01 176488 0 553124 29.40 2620 1149324 1079524 36.84 405700 1140432 8 Average: 176842 0 552775 29.38 2620 1149319 1082013 36.93 403795 1141699 11 21:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:42:01 eth0 4.60 2.28 3.78 0.15 0.00 0.00 0.00 0.00 21:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:01 eth0 1.45 0.33 0.37 0.17 0.00 0.00 0.00 0.00 21:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 eth0 1.38 0.52 0.58 0.42 0.00 0.00 0.00 0.00 21:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 eth0 0.38 0.30 0.26 0.20 0.00 0.00 0.00 0.00 21:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.95 0.86 1.25 0.24 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) 09/16/20 _x86_64_ (4 CPU) 21:39:41 LINUX RESTART (4 CPU) 21:41:01 CPU %user %nice %system %iowait %steal %idle 21:42:01 all 0.19 0.00 0.03 0.00 0.00 99.78 21:42:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:42:01 1 0.58 0.00 0.05 0.00 0.00 99.37 21:42:01 2 0.07 0.00 0.03 0.00 0.00 99.90 21:42:01 3 0.07 0.00 0.02 0.00 0.00 99.92 21:43:01 all 0.16 0.00 0.03 0.00 0.00 99.81 21:43:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:43:01 1 0.52 0.00 0.03 0.00 0.00 99.45 21:43:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:43:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:44:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:44:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:44:01 1 0.52 0.00 0.02 0.00 0.00 99.47 21:44:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:45:01 all 0.16 0.00 0.02 0.00 0.00 99.82 21:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:45:01 1 0.52 0.00 0.00 0.00 0.00 99.48 21:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:45:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.16 0.00 0.02 0.00 0.00 99.81 Average: 0 0.03 0.00 0.03 0.00 0.00 99.94 Average: 1 0.53 0.00 0.02 0.00 0.00 99.44 Average: 2 0.05 0.00 0.03 0.00 0.00 99.92 Average: 3 0.04 0.00 0.02 0.00 0.00 99.94