---> uname -a: Linux 03bda97d5988 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: 2933.436 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-messaging_PR-62@tmp /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-62 ---> free -m: total used free shared buff/cache available Mem: 1837 664 125 0 1047 1065 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) 09/25/20 _x86_64_ (4 CPU) 05:27:23 LINUX RESTART (4 CPU) 05:28:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:29:01 59.76 16.77 42.99 0.00 5159.86 4792.86 0.00 05:30:01 1.52 0.00 1.52 0.00 0.00 31.26 0.00 05:31:01 0.17 0.00 0.17 0.00 0.00 2.56 0.00 05:32:01 0.27 0.00 0.27 0.00 0.00 3.35 0.00 05:33:01 0.18 0.00 0.18 0.00 0.00 3.18 0.00 05:34:01 0.37 0.00 0.37 0.00 0.00 5.03 0.00 Average: 10.24 2.76 7.49 0.00 848.58 795.81 0.00 05:28:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:29:01 160824 0 587604 31.23 2620 1130508 1109640 37.87 435860 1124912 120 05:30:01 164276 0 584148 31.05 2620 1130512 1093612 37.32 436064 1122032 20 05:31:01 165916 0 582500 30.96 2620 1130520 1076948 36.75 435812 1120968 8 05:32:01 163932 0 584484 31.06 2620 1130520 1077080 36.76 438376 1120388 16 05:33:01 164120 0 584288 31.05 2620 1130528 1077080 36.76 443656 1115108 8 05:34:01 161684 0 586720 31.18 2620 1130532 1077080 36.76 446124 1115104 20 Average: 163459 0 584957 31.09 2620 1130520 1085240 37.04 439315 1119752 32 05:28:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:29:01 eth0 510.80 304.30 1006.22 95.87 0.00 0.00 0.00 0.00 05:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 docker0 1.39 1.30 0.29 2.54 0.00 0.00 0.00 0.00 05:30:01 eth0 1.12 0.35 0.31 0.22 0.00 0.00 0.00 0.00 05:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 eth0 0.45 0.08 0.04 0.01 0.00 0.00 0.00 0.00 05:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:32:01 eth0 1.13 0.45 0.36 0.21 0.00 0.00 0.00 0.00 05:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 eth0 1.12 0.30 0.33 0.20 0.00 0.00 0.00 0.00 05:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 eth0 0.77 0.45 0.41 0.27 0.00 0.00 0.00 0.00 05:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 84.77 50.32 165.72 15.92 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 0.23 0.21 0.05 0.42 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) 09/25/20 _x86_64_ (4 CPU) 05:27:23 LINUX RESTART (4 CPU) 05:28:02 CPU %user %nice %system %iowait %steal %idle 05:29:01 all 8.19 0.00 2.85 1.70 0.06 87.20 05:29:01 0 8.72 0.00 2.88 1.44 0.03 86.92 05:29:01 1 8.67 0.00 2.62 2.09 0.07 86.56 05:29:01 2 8.16 0.00 2.72 1.30 0.09 87.73 05:29:01 3 7.21 0.00 3.17 1.99 0.05 87.59 05:30:01 all 0.15 0.00 0.04 0.00 0.00 99.80 05:30:01 0 0.03 0.00 0.05 0.00 0.00 99.92 05:30:01 1 0.05 0.00 0.03 0.00 0.02 99.90 05:30:01 2 0.08 0.00 0.05 0.00 0.00 99.87 05:30:01 3 0.45 0.00 0.02 0.00 0.00 99.53 05:31:01 all 0.14 0.00 0.03 0.00 0.00 99.83 05:31:01 0 0.03 0.00 0.00 0.00 0.02 99.95 05:31:01 1 0.03 0.00 0.07 0.00 0.00 99.90 05:31:01 2 0.05 0.00 0.03 0.00 0.00 99.92 05:31:01 3 0.43 0.00 0.02 0.00 0.00 99.55 05:32:01 all 0.15 0.00 0.03 0.00 0.00 99.82 05:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 05:32:01 1 0.08 0.00 0.05 0.00 0.00 99.87 05:32:01 2 0.03 0.00 0.02 0.00 0.00 99.95 05:32:01 3 0.47 0.00 0.03 0.00 0.00 99.50 05:33:01 all 0.16 0.00 0.05 0.00 0.00 99.79 05:33:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:33:01 1 0.05 0.00 0.08 0.00 0.00 99.87 05:33:01 2 0.08 0.00 0.05 0.00 0.02 99.85 05:33:01 3 0.47 0.00 0.02 0.00 0.00 99.52 05:34:01 all 0.15 0.00 0.05 0.00 0.01 99.79 05:34:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:34:01 1 0.03 0.00 0.08 0.00 0.00 99.88 05:34:01 2 0.03 0.00 0.05 0.00 0.02 99.90 05:34:01 3 0.52 0.00 0.02 0.00 0.02 99.45 Average: all 1.46 0.00 0.50 0.28 0.01 97.75 Average: 0 1.45 0.00 0.49 0.23 0.01 97.82 Average: 1 1.46 0.00 0.48 0.34 0.01 97.71 Average: 2 1.38 0.00 0.48 0.21 0.02 97.91 Average: 3 1.56 0.00 0.53 0.32 0.01 97.57