---> uname -a: Linux 3851b5d501d5 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-bootstrap_master ---> free -m: total used free shared buff/cache available Mem: 1837 786 123 0 927 985 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 21:55:24 LINUX RESTART (4 CPU) 21:56:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:57:01 77.73 30.47 47.26 0.00 7293.86 4927.01 0.00 21:58:01 1.48 0.00 1.48 0.00 0.00 22.24 0.00 21:59:01 0.73 0.00 0.73 0.00 0.00 9.61 0.00 22:00:01 0.63 0.00 0.63 0.00 0.00 6.99 0.00 22:01:01 0.27 0.02 0.25 0.00 0.13 3.55 0.00 22:02:01 227.32 131.01 96.31 0.00 7126.14 34891.05 0.00 22:03:01 234.72 107.37 127.35 0.00 8196.54 28959.25 0.00 Average: 77.59 38.43 39.16 0.00 3232.33 9836.09 0.00 21:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:57:01 168028 0 591204 31.42 2620 1119704 1135452 38.75 430128 1124044 120 21:58:01 175036 0 584192 31.05 2620 1119708 1080588 36.88 428472 1119520 8 21:59:01 174132 0 585092 31.10 2620 1119712 1080840 36.89 430028 1119508 8 22:00:01 172584 0 586636 31.18 2620 1119716 1080732 36.88 431512 1119144 8 22:01:01 171788 0 587428 31.22 2620 1119720 1083500 36.98 454444 1097052 16 22:02:01 80752 0 662372 35.20 2596 1135836 1288736 43.98 561324 1047492 33128 22:03:01 116372 0 731552 38.88 1492 1032140 1108696 37.84 605256 877876 176 Average: 151242 0 618354 32.86 2455 1109505 1122649 38.31 477309 1072091 4781 21:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:57:01 eth0 495.47 304.38 1043.72 89.41 0.00 0.00 0.00 0.00 21:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 docker0 1.53 1.26 0.36 3.10 0.00 0.00 0.00 0.00 21:58:01 eth0 1.10 0.10 0.09 0.02 0.00 0.00 0.00 0.00 21:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 eth0 1.55 0.52 0.60 0.36 0.00 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 eth0 1.30 0.37 0.36 0.23 0.00 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 eth0 0.90 0.30 0.29 0.20 0.00 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 eth0 780.97 709.57 6265.82 61.02 0.00 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 docker0 18.93 16.42 1.95 45.60 0.00 0.00 0.00 0.00 22:03:01 eth0 217.28 176.23 1041.68 85.00 0.00 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 docker0 27.08 32.26 1.62 198.93 0.00 0.00 0.00 0.00 Average: eth0 214.19 170.30 1193.95 33.76 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 6.79 7.14 0.56 35.39 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) 21:55:24 LINUX RESTART (4 CPU) 21:56:01 CPU %user %nice %system %iowait %steal %idle 21:57:01 all 12.06 0.00 5.18 2.53 0.02 80.21 21:57:01 0 13.34 0.00 5.48 2.98 0.02 78.18 21:57:01 1 11.10 0.00 5.47 5.17 0.02 78.24 21:57:01 2 11.61 0.00 5.28 1.47 0.02 81.62 21:57:01 3 12.21 0.00 4.50 0.49 0.02 82.78 21:58:01 all 0.15 0.00 0.04 0.00 0.00 99.81 21:58:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:58:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:58:01 2 0.48 0.00 0.03 0.00 0.00 99.48 21:58:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:59:01 all 0.14 0.00 0.03 0.00 0.00 99.83 21:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:59:01 1 0.07 0.00 0.02 0.00 0.00 99.92 21:59:01 2 0.42 0.00 0.05 0.00 0.00 99.53 21:59:01 3 0.05 0.00 0.05 0.00 0.00 99.90 22:00:01 all 0.13 0.00 0.03 0.00 0.00 99.84 22:00:01 0 0.00 0.00 0.02 0.00 0.00 99.98 22:00:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:00:01 2 0.43 0.00 0.03 0.00 0.00 99.53 22:00:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:01:01 all 0.16 0.00 0.05 0.00 0.00 99.78 22:01:01 0 0.05 0.00 0.07 0.02 0.00 99.87 22:01:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:01:01 2 0.50 0.00 0.02 0.00 0.02 99.47 22:01:01 3 0.05 0.00 0.07 0.00 0.00 99.88 22:02:01 all 8.79 0.00 5.97 2.39 0.04 82.82 22:02:01 0 8.86 0.00 6.04 2.60 0.03 82.47 22:02:01 1 8.54 0.00 6.04 1.64 0.05 83.72 22:02:01 2 8.99 0.00 6.01 3.28 0.03 81.69 22:02:01 3 8.76 0.00 5.79 2.03 0.03 83.38 22:03:01 all 10.77 0.00 7.39 3.13 0.03 78.68 22:03:01 0 9.95 0.00 7.34 1.76 0.03 80.91 22:03:01 1 11.80 0.00 7.29 2.86 0.03 78.01 22:03:01 2 10.89 0.00 6.85 4.79 0.02 77.45 22:03:01 3 10.44 0.00 8.08 3.09 0.03 78.36 Average: all 4.57 0.00 2.65 1.14 0.01 91.63 Average: 0 4.57 0.00 2.68 1.04 0.01 91.70 Average: 1 4.49 0.00 2.68 1.37 0.01 91.44 Average: 2 4.73 0.00 2.59 1.35 0.01 91.31 Average: 3 4.48 0.00 2.63 0.79 0.01 92.09