---> uname -a: Linux 69c154a11efc 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-messaging_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-messaging_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 779 112 0 945 995 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 09/15/20 _x86_64_ (4 CPU) 22:31:48 LINUX RESTART (4 CPU) 22:33:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:34:01 2.68 0.00 2.68 0.00 0.00 57.33 0.00 22:35:01 0.15 0.00 0.15 0.00 0.00 2.15 0.00 22:36:01 0.40 0.00 0.40 0.00 0.00 6.91 0.00 22:37:02 319.22 141.46 177.76 0.00 7729.14 58098.89 0.00 Average: 80.97 35.52 45.45 0.00 1941.04 14607.12 0.00 22:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:34:01 164440 0 528272 28.08 2620 1186224 1072044 36.59 388216 1168856 24 22:35:01 163844 0 528916 28.11 2620 1186176 1072280 36.59 389580 1168564 20 22:36:01 164484 0 528264 28.08 2620 1186188 1072112 36.59 388588 1168564 12 22:37:02 100584 0 742240 39.45 2216 1036516 1277692 43.61 569680 931104 23032 Average: 148338 0 581923 30.93 2519 1148776 1123532 38.34 434016 1109272 5772 22:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:34:01 eth0 0.62 0.07 0.04 0.01 0.00 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 1.60 0.57 0.61 0.36 0.00 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 22:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:02 eth0 798.08 703.10 7003.36 80.65 0.00 0.00 0.00 0.00 22:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:02 docker0 12.15 10.91 1.14 42.26 0.00 0.00 0.00 0.00 Average: eth0 201.00 176.75 1758.94 20.36 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 3.05 2.74 0.29 10.61 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) 09/15/20 _x86_64_ (4 CPU) 22:31:48 LINUX RESTART (4 CPU) 22:33:01 CPU %user %nice %system %iowait %steal %idle 22:34:01 all 0.17 0.00 0.03 0.00 0.00 99.80 22:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:34:01 1 0.17 0.00 0.05 0.00 0.00 99.78 22:34:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:34:01 3 0.43 0.00 0.02 0.00 0.00 99.55 22:35:01 all 0.15 0.00 0.03 0.00 0.00 99.83 22:35:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:35:01 1 0.47 0.00 0.02 0.00 0.00 99.52 22:35:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:36:01 all 0.14 0.00 0.02 0.00 0.00 99.84 22:36:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:36:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:36:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:36:01 3 0.00 0.00 0.00 0.00 0.00 100.00 22:37:02 all 14.51 0.00 8.30 3.61 0.04 73.55 22:37:02 0 13.75 0.00 9.17 6.10 0.05 70.93 22:37:02 1 14.39 0.00 8.46 3.86 0.03 73.24 22:37:02 2 14.21 0.00 7.42 2.95 0.03 75.39 22:37:02 3 15.69 0.00 8.14 1.54 0.03 74.60 Average: all 3.71 0.00 2.07 0.89 0.01 93.32 Average: 0 3.41 0.00 2.27 1.50 0.01 92.80 Average: 1 3.87 0.00 2.12 0.96 0.01 93.04 Average: 2 3.56 0.00 1.87 0.73 0.01 93.82 Average: 3 4.00 0.00 2.02 0.38 0.01 93.59