---> uname -a: Linux 4973d919613d 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% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-62 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-62@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 634 125 0 1076 1094 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) 09/24/20 _x86_64_ (4 CPU) 19:29:43 LINUX RESTART (4 CPU) 19:31:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:32:01 43.56 10.76 32.80 0.00 4439.26 2204.75 0.00 19:33:02 1.61 0.00 1.61 0.00 0.00 29.54 0.00 19:34:01 0.15 0.00 0.15 0.00 0.00 2.05 0.00 19:35:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 19:36:01 0.27 0.00 0.27 0.00 0.00 4.45 0.00 19:37:02 0.31 0.00 0.31 0.00 0.00 4.04 0.00 19:38:01 53.45 50.74 2.71 0.00 4297.97 70.26 0.00 Average: 14.16 8.70 5.46 0.00 1242.99 332.62 0.00 19:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:32:01 162356 0 573660 30.49 2620 1142920 1171604 39.98 428608 1129432 12 19:33:02 173080 0 562932 29.92 2620 1142924 1099772 37.53 421620 1127216 20 19:34:01 172388 0 563616 29.95 2620 1142932 1092576 37.29 422888 1126476 12 19:35:01 172708 0 563296 29.94 2620 1142932 1092728 37.29 428032 1121632 16 19:36:01 171552 0 564444 30.00 2620 1142940 1088604 37.15 430624 1120420 16 19:37:02 171140 0 564852 30.02 2620 1142944 1088748 37.16 430868 1120420 20 19:38:01 73904 0 653636 34.74 2620 1151396 1497504 51.11 461676 1174984 98252 Average: 156733 0 578062 30.72 2620 1144141 1161648 39.64 432045 1131511 14050 19:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:32:01 eth0 92.19 76.53 446.21 40.29 0.00 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 1.56 1.21 0.29 2.50 0.00 0.00 0.00 0.00 19:33:02 eth0 2.68 0.43 0.42 0.21 0.00 0.00 0.00 0.00 19:33:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 2.47 0.36 0.47 0.24 0.00 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 eth0 4.52 1.24 1.47 0.77 0.00 0.00 0.00 0.00 19:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 eth0 2.51 0.45 0.60 0.31 0.00 0.00 0.00 0.00 19:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:02 eth0 1.33 0.78 0.79 0.58 0.00 0.00 0.00 0.00 19:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 eth0 81.58 58.07 748.45 9.05 0.00 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 26.67 19.64 170.08 7.36 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 0.22 0.17 0.04 0.36 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) 09/24/20 _x86_64_ (4 CPU) 19:29:43 LINUX RESTART (4 CPU) 19:31:01 CPU %user %nice %system %iowait %steal %idle 19:32:01 all 2.69 0.00 2.07 1.16 15.14 78.93 19:32:01 0 2.77 0.00 2.86 2.71 16.22 75.43 19:32:01 1 2.49 0.00 1.80 0.65 14.78 80.28 19:32:01 2 2.24 0.00 1.82 0.89 14.54 80.50 19:32:01 3 3.28 0.00 1.77 0.38 15.01 79.56 19:33:02 all 0.13 0.00 0.17 0.00 4.44 95.26 19:33:02 0 0.08 0.00 0.16 0.00 4.43 95.33 19:33:02 1 0.13 0.00 0.20 0.00 5.33 94.34 19:33:02 2 0.13 0.00 0.11 0.00 4.13 95.63 19:33:02 3 0.18 0.00 0.21 0.00 3.87 95.74 19:34:01 all 0.07 0.00 0.04 0.00 1.73 98.16 19:34:01 0 0.08 0.00 0.07 0.00 1.57 98.28 19:34:01 1 0.02 0.00 0.02 0.00 1.55 98.41 19:34:01 2 0.07 0.00 0.03 0.00 0.97 98.92 19:34:01 3 0.10 0.00 0.05 0.00 2.81 97.04 19:35:01 all 0.11 0.00 0.12 0.00 4.97 94.80 19:35:01 0 0.06 0.00 0.11 0.00 5.21 94.61 19:35:01 1 0.10 0.00 0.10 0.00 5.44 94.37 19:35:01 2 0.18 0.00 0.10 0.00 5.19 94.53 19:35:01 3 0.10 0.00 0.19 0.00 4.04 95.67 19:36:01 all 0.05 0.00 0.08 0.00 2.79 97.08 19:36:01 0 0.03 0.00 0.08 0.00 3.44 96.44 19:36:01 1 0.05 0.00 0.08 0.00 3.72 96.16 19:36:01 2 0.02 0.00 0.02 0.00 1.75 98.21 19:36:01 3 0.10 0.00 0.15 0.00 2.21 97.54 19:37:02 all 0.04 0.00 0.03 0.00 2.54 97.40 19:37:02 0 0.05 0.00 0.02 0.00 1.75 98.18 19:37:02 1 0.06 0.00 0.06 0.00 4.57 95.30 19:37:02 2 0.02 0.00 0.02 0.00 2.86 97.10 19:37:02 3 0.02 0.00 0.02 0.00 0.90 99.06 19:38:01 all 1.89 0.00 1.08 1.34 7.04 88.66 19:38:01 0 1.33 0.00 0.86 0.28 7.49 90.04 19:38:01 1 2.26 0.00 1.28 3.10 7.18 86.18 19:38:01 2 1.30 0.00 0.96 0.28 6.76 90.70 19:38:01 3 2.66 0.00 1.23 1.68 6.71 87.73 Average: all 0.72 0.00 0.52 0.36 5.58 92.81 Average: 0 0.65 0.00 0.61 0.44 5.82 92.48 Average: 1 0.74 0.00 0.51 0.53 6.14 92.07 Average: 2 0.57 0.00 0.44 0.17 5.24 93.57 Average: 3 0.93 0.00 0.52 0.29 5.13 93.13