---> uname -a: Linux af3ef050a82f 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-86 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-86@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 636 117 0 1083 1096 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) 07/24/20 _x86_64_ (4 CPU) 16:23:29 LINUX RESTART 16:24:01 tps rtps wtps bread/s bwrtn/s 16:25:01 62.37 18.73 43.64 5194.41 4778.37 16:26:01 1.57 0.00 1.57 0.00 31.24 16:27:01 0.28 0.00 0.28 0.00 3.48 16:28:01 0.22 0.00 0.22 0.00 2.03 16:29:01 0.23 0.00 0.23 0.00 3.40 16:30:01 94.34 64.84 29.50 5238.63 15375.06 Average: 26.51 13.93 12.58 1739.13 3366.16 16:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:25:01 169460 1712096 90.99 2620 1162500 1096376 37.42 377280 1174572 120 16:26:01 170420 1711136 90.94 2620 1162504 1095932 37.40 378132 1172824 8 16:27:01 174500 1707056 90.73 2620 1162512 1061552 36.23 376472 1170888 8 16:28:01 172612 1708944 90.83 2620 1162512 1061844 36.24 379792 1170236 20 16:29:01 173308 1708248 90.79 2620 1162516 1061760 36.24 385296 1164180 8 16:30:01 67352 1814204 96.42 2620 1151900 1512096 51.61 518104 1106428 84892 Average: 154609 1726947 91.78 2620 1160741 1148260 39.19 402513 1159855 14176 16:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:25:01 eth0 376.79 196.55 1018.39 89.80 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 1.53 1.22 0.36 2.83 0.00 0.00 0.00 16:26:01 eth0 0.52 0.33 0.27 0.23 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 0.53 0.08 0.05 0.01 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 0.95 0.30 0.32 0.20 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 eth0 0.43 0.28 0.27 0.20 0.00 0.00 0.00 16:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 eth0 107.28 74.53 2330.36 10.71 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 81.10 45.35 558.37 16.86 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.20 0.06 0.47 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) 07/24/20 _x86_64_ (4 CPU) 16:23:29 LINUX RESTART 16:24:01 CPU %user %nice %system %iowait %steal %idle 16:25:01 all 12.14 0.00 3.92 2.53 0.01 81.41 16:25:01 0 12.82 0.00 3.86 0.30 0.02 83.01 16:25:01 1 11.73 0.00 4.29 4.97 0.02 78.99 16:25:01 2 13.06 0.00 3.57 3.57 0.02 79.78 16:25:01 3 10.92 0.00 3.98 1.26 0.03 83.81 16:26:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:26:01 0 0.07 0.00 0.07 0.00 0.00 99.87 16:26:01 1 0.02 0.00 0.02 0.00 0.00 99.97 16:26:01 2 0.53 0.00 0.03 0.00 0.00 99.43 16:26:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:27:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:27:01 0 0.07 0.00 0.07 0.00 0.00 99.87 16:27:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:27:01 2 0.52 0.00 0.02 0.00 0.00 99.47 16:27:01 3 0.03 0.00 0.02 0.00 0.00 99.95 16:28:01 all 0.15 0.00 0.02 0.00 0.00 99.82 16:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:28:01 1 0.02 0.00 0.03 0.00 0.00 99.95 16:28:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:29:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:29:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:29:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:29:01 2 0.53 0.00 0.02 0.00 0.00 99.45 16:29:01 3 0.03 0.00 0.05 0.00 0.00 99.92 16:30:01 all 4.62 0.00 2.39 1.46 0.00 91.52 16:30:01 0 4.40 0.00 2.01 0.28 0.00 93.30 16:30:01 1 5.60 0.00 2.39 4.06 0.00 87.94 16:30:01 2 4.35 0.00 2.61 0.12 0.02 92.91 16:30:01 3 4.12 0.00 2.60 1.39 0.00 91.90 Average: all 2.89 0.00 1.07 0.66 0.00 95.37 Average: 0 2.89 0.00 1.01 0.10 0.00 96.00 Average: 1 2.90 0.00 1.13 1.50 0.00 94.47 Average: 2 3.24 0.00 1.04 0.61 0.01 95.10 Average: 3 2.52 0.00 1.11 0.44 0.01 95.92