---> uname -a: Linux 8c3ef3ade9d5 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46 ---> free -m: total used free shared buff/cache available Mem: 1838 618 67 0 1152 1115 Swap: 1023 0 1023 ---> 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/27/20 _x86_64_ (4 CPU) 18:01:27 LINUX RESTART 18:02:01 tps rtps wtps bread/s bwrtn/s 18:03:01 35.61 7.34 28.27 1912.35 2087.48 18:04:01 2.85 0.00 2.85 0.00 92.09 18:05:01 0.27 0.00 0.27 0.00 3.88 18:06:01 0.23 0.00 0.23 0.00 2.96 Average: 9.74 1.84 7.91 478.17 546.69 18:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:03:01 102572 1779732 94.55 2620 1222832 954988 32.58 453296 1167748 20 18:04:01 109940 1772364 94.16 2620 1222836 909292 31.02 447400 1167368 16 18:05:01 109900 1772404 94.16 2620 1222848 909316 31.03 447652 1167368 16 18:06:01 109536 1772768 94.18 2620 1222848 909328 31.03 447984 1167360 8 Average: 107987 1774317 94.26 2620 1222841 920731 31.41 449083 1167461 15 18:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:03:01 eth0 149.63 115.65 447.25 48.27 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 1.25 1.10 0.23 1.47 0.00 0.00 0.00 18:04:01 eth0 1.98 0.35 0.39 0.20 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 eth0 2.45 0.83 0.89 0.53 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 0.55 0.40 0.27 0.26 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 38.66 29.31 112.22 12.32 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.31 0.27 0.06 0.37 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/27/20 _x86_64_ (4 CPU) 18:01:27 LINUX RESTART 18:02:01 CPU %user %nice %system %iowait %steal %idle 18:03:01 all 3.33 0.00 1.59 1.09 0.00 93.99 18:03:01 0 3.61 0.00 1.67 0.08 0.02 94.61 18:03:01 1 3.21 0.00 1.51 0.05 0.02 95.21 18:03:01 2 3.30 0.00 1.57 1.52 0.00 93.60 18:03:01 3 3.16 0.00 1.57 2.70 0.00 92.57 18:04:01 all 0.18 0.00 0.06 0.00 0.00 99.75 18:04:01 0 0.18 0.00 0.08 0.00 0.00 99.73 18:04:01 1 0.30 0.00 0.05 0.00 0.00 99.65 18:04:01 2 0.20 0.00 0.07 0.00 0.00 99.73 18:04:01 3 0.07 0.00 0.08 0.00 0.02 99.83 18:05:01 all 0.22 0.00 0.06 0.00 0.00 99.72 18:05:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:05:01 1 0.50 0.00 0.05 0.00 0.00 99.45 18:05:01 2 0.15 0.00 0.07 0.00 0.00 99.78 18:05:01 3 0.15 0.00 0.07 0.00 0.00 99.78 18:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:06:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:06:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:06:01 2 0.55 0.00 0.05 0.00 0.00 99.40 18:06:01 3 0.08 0.00 0.05 0.00 0.00 99.87 Average: all 0.97 0.00 0.44 0.27 0.00 98.31 Average: 0 0.98 0.00 0.47 0.02 0.00 98.53 Average: 1 1.01 0.00 0.40 0.01 0.00 98.57 Average: 2 1.05 0.00 0.44 0.38 0.00 98.14 Average: 3 0.86 0.00 0.44 0.67 0.00 98.02