---> uname -a: Linux c5e087a02692 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-59 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-59@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 136 0 1030 1058 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) 22:08:31 LINUX RESTART (4 CPU) 22:09:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 81.76 34.61 47.15 0.00 7523.17 4916.62 0.00 22:11:01 1.93 0.00 1.93 0.00 0.00 37.80 0.00 22:12:01 0.37 0.00 0.37 0.00 0.00 5.68 0.00 22:13:01 0.25 0.00 0.25 0.00 0.00 3.38 0.00 22:14:01 0.33 0.00 0.33 0.00 0.00 5.66 0.00 22:15:01 0.67 0.17 0.50 0.00 12.39 7.93 0.00 22:16:01 0.37 0.02 0.35 0.00 0.13 4.70 0.00 22:17:01 64.40 43.72 20.68 0.00 5393.01 4506.94 0.00 Average: 18.63 9.77 8.87 0.00 1604.37 1178.71 0.00 22:09:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 167740 0 593432 31.54 2620 1117764 1102736 37.63 454560 1100248 120 22:11:01 169656 0 591484 31.44 2620 1117796 1096268 37.41 454924 1098476 20 22:12:01 171584 0 589548 31.33 2620 1117804 1073860 36.65 454752 1097216 20 22:13:01 170060 0 591072 31.41 2620 1117804 1073812 36.65 456580 1097056 16 22:14:01 169452 0 591676 31.45 2620 1117808 1073860 36.65 460124 1093884 12 22:15:01 165388 0 595324 31.64 2620 1118224 1086188 37.07 463556 1094104 20 22:16:01 165364 0 595340 31.64 2620 1118232 1086128 37.07 463372 1094104 16 22:17:01 99760 0 670408 35.63 2620 1108768 1270928 43.37 462040 1120480 33252 Average: 159876 0 602286 32.01 2620 1116775 1107972 37.81 458738 1099446 4184 22:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 eth0 405.72 277.39 1059.26 96.72 0.00 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 1.44 1.35 0.28 2.48 0.00 0.00 0.00 0.00 22:11:01 eth0 1.67 0.50 0.60 0.36 0.00 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 eth0 1.65 0.28 0.35 0.20 0.00 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 1.53 0.35 0.47 0.23 0.00 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 2.01 0.60 0.64 0.37 0.00 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 7.98 4.45 6.65 3.24 0.00 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 eth0 1.62 0.92 1.18 0.64 0.00 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 86.21 69.00 739.45 10.21 0.00 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.87 43.72 224.42 13.83 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 0.18 0.17 0.03 0.31 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) 22:08:31 LINUX RESTART (4 CPU) 22:09:02 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 13.23 0.00 5.40 2.44 0.02 78.92 22:10:01 0 11.55 0.00 6.59 2.77 0.02 79.07 22:10:01 1 12.77 0.00 5.01 2.82 0.02 79.38 22:10:01 2 15.52 0.00 4.87 2.29 0.02 77.31 22:10:01 3 13.06 0.00 5.12 1.86 0.02 79.95 22:11:01 all 0.15 0.00 0.04 0.00 0.00 99.82 22:11:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:11:01 2 0.12 0.00 0.05 0.00 0.00 99.83 22:11:01 3 0.37 0.00 0.03 0.00 0.00 99.60 22:12:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:12:01 1 0.07 0.00 0.05 0.00 0.02 99.87 22:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:12:01 3 0.45 0.00 0.03 0.00 0.00 99.52 22:13:01 all 0.13 0.00 0.03 0.00 0.00 99.83 22:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:13:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:13:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:13:01 3 0.42 0.00 0.05 0.00 0.00 99.53 22:14:01 all 0.07 0.00 0.06 0.00 0.01 99.86 22:14:01 0 0.07 0.00 0.02 0.00 0.00 99.92 22:14:01 1 0.08 0.00 0.15 0.00 0.00 99.77 22:14:01 2 0.07 0.00 0.03 0.00 0.02 99.88 22:14:01 3 0.07 0.00 0.05 0.00 0.02 99.87 22:15:01 all 0.33 0.00 0.10 0.00 0.01 99.57 22:15:01 0 0.20 0.00 0.10 0.02 0.02 99.67 22:15:01 1 0.18 0.00 0.15 0.00 0.00 99.67 22:15:01 2 0.12 0.00 0.07 0.00 0.00 99.82 22:15:01 3 0.80 0.00 0.07 0.00 0.02 99.12 22:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:16:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:16:01 1 0.12 0.00 0.08 0.00 0.02 99.78 22:16:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:16:01 3 0.53 0.00 0.05 0.00 0.00 99.42 22:17:01 all 2.89 0.00 1.90 0.92 0.01 94.28 22:17:01 0 2.44 0.00 1.77 0.59 0.02 95.18 22:17:01 1 2.44 0.00 2.36 0.64 0.02 94.54 22:17:01 2 3.87 0.00 1.77 2.03 0.00 92.33 22:17:01 3 2.81 0.00 1.71 0.44 0.00 95.05 Average: all 2.10 0.00 0.94 0.41 0.01 96.54 Average: 0 1.77 0.00 1.06 0.41 0.01 96.76 Average: 1 1.94 0.00 0.97 0.42 0.01 96.66 Average: 2 2.44 0.00 0.85 0.53 0.00 96.18 Average: 3 2.27 0.00 0.87 0.28 0.01 96.57