---> uname -a: Linux 0110b267f73c 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 6.6G 43.4G 13% / 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 6.6G 43.4G 13% /etc/resolv.conf /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hostname /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hosts /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/exfoundry_go-mod-messaging_PR-62@tmp /dev/vda1 50.0G 6.6G 43.4G 13% /var/log/sa-host /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/exfoundry_go-mod-messaging_PR-62 ---> free -m: total used free shared buff/cache available Mem: 1837 662 131 0 1043 1066 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) 20:52:20 LINUX RESTART (4 CPU) 20:53:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:54:01 105.14 45.08 60.06 0.00 7744.93 18843.90 0.00 20:55:01 2.33 0.00 2.33 0.00 0.00 49.37 0.00 20:56:01 0.38 0.00 0.38 0.00 0.00 5.28 0.00 20:57:01 0.27 0.00 0.27 0.00 0.00 3.48 0.00 20:58:01 0.22 0.00 0.22 0.00 0.00 2.78 0.00 20:59:01 0.27 0.00 0.27 0.00 0.00 3.38 0.00 21:00:01 0.40 0.02 0.38 0.00 0.13 5.80 0.00 21:01:01 0.55 0.05 0.50 0.00 0.67 6.01 0.00 21:02:01 0.43 0.08 0.35 0.00 1.60 5.68 0.00 21:03:01 0.28 0.00 0.28 0.00 0.00 3.23 0.00 21:04:01 0.25 0.00 0.25 0.00 0.00 2.57 0.00 21:05:02 0.15 0.00 0.15 0.00 0.00 1.75 0.00 21:06:01 0.24 0.00 0.24 0.00 0.00 2.39 0.00 21:07:01 0.18 0.00 0.18 0.00 0.00 1.88 0.00 21:08:01 0.43 0.20 0.23 0.00 6.26 3.50 0.00 Average: 7.34 2.99 4.35 0.00 509.77 1245.38 0.00 20:53:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:54:01 156280 0 587560 31.23 2604 1135112 1125612 38.42 430616 1135024 124 20:55:01 157868 0 585880 31.14 2604 1135204 1125312 38.40 431404 1133228 12 20:56:01 160792 0 582948 30.98 2604 1135212 1103612 37.66 431396 1131248 8 20:57:01 159616 0 584124 31.04 2604 1135212 1092304 37.28 432868 1130236 16 20:58:01 160040 0 583692 31.02 2604 1135220 1092304 37.28 437808 1125320 8 20:59:01 159792 0 583936 31.03 2604 1135224 1092388 37.28 438244 1125320 8 21:00:01 160136 0 583584 31.02 2604 1135232 1092304 37.28 437804 1125320 8 21:01:01 158884 0 584828 31.08 2604 1135240 1095072 37.37 438244 1125648 8 21:02:01 159980 0 583588 31.02 2604 1135384 1092812 37.30 437680 1125716 8 21:03:01 159452 0 584112 31.04 2604 1135388 1092812 37.30 426348 1137044 8 21:04:01 159332 0 584228 31.05 2604 1135392 1092908 37.30 426984 1137044 8 21:05:02 159740 0 583816 31.03 2604 1135396 1092812 37.30 426488 1137044 12 21:06:01 158976 0 584572 31.07 2604 1135404 1092932 37.30 426720 1137368 8 21:07:01 158268 0 585280 31.11 2604 1135404 1093004 37.30 427364 1137364 8 21:08:01 159400 0 584116 31.04 2604 1135436 1092812 37.30 426460 1137136 16 Average: 159237 0 584418 31.06 2604 1135297 1097933 37.47 431762 1132004 17 20:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:54:01 eth0 419.34 261.65 1060.65 94.51 0.00 0.00 0.00 0.00 20:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 docker0 1.34 1.12 0.29 2.53 0.00 0.00 0.00 0.00 20:55:01 eth0 4.68 1.20 1.55 0.94 0.00 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 eth0 1.25 0.50 0.57 0.42 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 eth0 0.30 0.18 0.14 0.07 0.00 0.00 0.00 0.00 20:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 eth0 0.53 0.35 0.25 0.08 0.00 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:02 eth0 12.14 0.10 1.09 0.01 0.00 0.00 0.00 0.00 21:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 3.49 0.34 0.60 0.21 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 1.90 1.02 1.07 0.78 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.18 0.03 0.01 0.00 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.26 17.48 70.09 6.38 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 0.09 0.07 0.02 0.17 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) 20:52:20 LINUX RESTART (4 CPU) 20:53:02 CPU %user %nice %system %iowait %steal %idle 20:54:01 all 14.22 0.00 6.81 4.64 0.43 73.90 20:54:01 0 14.66 0.00 7.00 4.50 0.45 73.39 20:54:01 1 13.24 0.00 6.84 4.82 0.34 74.76 20:54:01 2 14.16 0.00 7.22 4.08 0.50 74.04 20:54:01 3 14.83 0.00 6.19 5.17 0.41 73.40 20:55:01 all 0.17 0.00 0.07 0.00 0.04 99.72 20:55:01 0 0.17 0.00 0.10 0.00 0.03 99.70 20:55:01 1 0.32 0.00 0.08 0.00 0.05 99.55 20:55:01 2 0.03 0.00 0.05 0.00 0.05 99.87 20:55:01 3 0.15 0.00 0.05 0.00 0.03 99.77 20:56:01 all 0.17 0.00 0.05 0.00 0.02 99.76 20:56:01 0 0.38 0.00 0.03 0.00 0.00 99.58 20:56:01 1 0.05 0.00 0.05 0.00 0.05 99.85 20:56:01 2 0.17 0.00 0.05 0.00 0.02 99.77 20:56:01 3 0.08 0.00 0.05 0.00 0.02 99.85 20:57:01 all 0.15 0.00 0.04 0.00 0.01 99.80 20:57:01 0 0.02 0.00 0.05 0.00 0.00 99.93 20:57:01 1 0.03 0.00 0.03 0.00 0.02 99.92 20:57:01 2 0.48 0.00 0.02 0.00 0.03 99.47 20:57:01 3 0.05 0.00 0.07 0.00 0.00 99.88 20:58:01 all 0.15 0.00 0.05 0.00 0.03 99.77 20:58:01 0 0.03 0.00 0.08 0.00 0.02 99.87 20:58:01 1 0.03 0.00 0.03 0.00 0.02 99.92 20:58:01 2 0.52 0.00 0.05 0.00 0.03 99.40 20:58:01 3 0.03 0.00 0.03 0.00 0.05 99.88 20:59:01 all 0.15 0.00 0.06 0.00 0.00 99.79 20:59:01 0 0.03 0.00 0.15 0.00 0.00 99.82 20:59:01 1 0.05 0.00 0.03 0.00 0.00 99.92 20:59:01 2 0.52 0.00 0.03 0.00 0.00 99.45 20:59:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:00:01 all 0.14 0.00 0.03 0.00 0.00 99.83 21:00:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:00:01 1 0.00 0.00 0.02 0.00 0.00 99.98 21:00:01 2 0.47 0.00 0.05 0.00 0.00 99.48 21:00:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:01:01 all 0.05 0.00 0.05 0.00 0.00 99.90 21:01:01 0 0.07 0.00 0.07 0.00 0.00 99.87 21:01:01 1 0.02 0.00 0.03 0.00 0.00 99.95 21:01:01 2 0.08 0.00 0.05 0.00 0.00 99.87 21:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:02:01 all 0.16 0.00 0.05 0.00 0.01 99.78 21:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:02:01 1 0.07 0.00 0.05 0.00 0.02 99.87 21:02:01 2 0.53 0.00 0.07 0.00 0.00 99.40 21:02:01 3 0.02 0.00 0.05 0.00 0.02 99.92 21:03:01 all 0.16 0.00 0.03 0.00 0.00 99.80 21:03:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:03:01 1 0.05 0.00 0.07 0.00 0.00 99.88 21:03:01 2 0.52 0.00 0.02 0.00 0.00 99.47 21:03:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:04:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:04:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:04:01 1 0.02 0.00 0.03 0.00 0.00 99.95 21:04:01 2 0.52 0.00 0.02 0.00 0.00 99.47 21:04:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:04:01 CPU %user %nice %system %iowait %steal %idle 21:05:02 all 0.15 0.00 0.03 0.00 0.02 99.81 21:05:02 0 0.02 0.00 0.02 0.00 0.03 99.93 21:05:02 1 0.03 0.00 0.03 0.00 0.02 99.92 21:05:02 2 0.50 0.00 0.03 0.00 0.02 99.45 21:05:02 3 0.03 0.00 0.03 0.00 0.00 99.93 21:06:01 all 0.14 0.00 0.04 0.00 0.02 99.80 21:06:01 0 0.03 0.00 0.07 0.00 0.02 99.88 21:06:01 1 0.10 0.00 0.05 0.00 0.03 99.81 21:06:01 2 0.41 0.00 0.03 0.00 0.02 99.54 21:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:07:01 all 0.05 0.00 0.03 0.00 0.01 99.90 21:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:07:01 1 0.08 0.00 0.05 0.00 0.03 99.83 21:07:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:07:01 3 0.07 0.00 0.05 0.00 0.02 99.87 21:08:01 all 0.14 0.00 0.05 0.00 0.00 99.81 21:08:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:08:01 1 0.45 0.00 0.07 0.00 0.00 99.48 21:08:01 2 0.03 0.00 0.05 0.02 0.00 99.90 21:08:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 1.05 0.00 0.48 0.30 0.04 98.13 Average: 0 1.01 0.00 0.50 0.29 0.04 98.17 Average: 1 0.94 0.00 0.49 0.31 0.04 98.22 Average: 2 1.24 0.00 0.50 0.27 0.04 97.95 Average: 3 1.00 0.00 0.43 0.33 0.04 98.19