---> uname -a: Linux 7d6d0caec069 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: 2933.436 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 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% /w/workspace/gexfoundry_go-mod-registry_PR-48@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_go-mod-registry_PR-48 ---> free -m: total used free shared buff/cache available Mem: 1837 656 127 0 1053 1074 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) 08/18/20 _x86_64_ (4 CPU) 19:03:22 LINUX RESTART 19:04:01 tps rtps wtps bread/s bwrtn/s 19:05:01 58.05 15.52 42.53 4988.58 4744.91 19:06:01 1.37 0.00 1.37 0.00 25.11 19:07:01 0.37 0.00 0.37 0.00 5.71 19:08:01 0.28 0.00 0.28 0.00 2.85 19:09:02 98.83 68.41 30.43 5036.22 15155.64 Average: 31.79 16.79 15.00 2005.39 3987.88 19:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:05:01 163540 1718016 91.31 2620 1136884 1110464 37.90 465296 1093744 120 19:06:01 167552 1714004 91.10 2620 1136888 1081220 36.90 464424 1091420 8 19:07:01 166100 1715456 91.17 2620 1136896 1081504 36.91 465656 1091412 8 19:08:01 166568 1714988 91.15 2620 1136896 1081216 36.90 465728 1090836 8 19:09:02 86732 1794824 95.39 2620 1114400 1514472 51.69 547976 1062716 56820 Average: 150098 1731458 92.02 2620 1132393 1173775 40.06 481816 1086026 11393 19:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:05:01 eth0 306.13 188.50 766.55 75.81 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 1.10 0.97 0.25 1.57 0.00 0.00 0.00 19:06:01 eth0 2.51 1.02 1.67 0.08 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 1.20 0.63 0.59 0.37 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:02 eth0 94.32 60.14 2325.44 8.73 0.00 0.00 0.00 19:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 80.87 50.08 619.01 17.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.22 0.19 0.05 0.31 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) 08/18/20 _x86_64_ (4 CPU) 19:03:22 LINUX RESTART 19:04:01 CPU %user %nice %system %iowait %steal %idle 19:05:01 all 6.21 0.00 3.18 1.79 0.21 88.61 19:05:01 0 5.88 0.00 3.73 1.32 0.22 88.86 19:05:01 1 6.02 0.00 3.57 3.68 0.20 86.53 19:05:01 2 6.24 0.00 2.75 1.75 0.22 89.04 19:05:01 3 6.69 0.00 2.68 0.40 0.17 90.06 19:06:01 all 0.17 0.00 0.05 0.00 0.01 99.77 19:06:01 0 0.48 0.00 0.07 0.00 0.02 99.43 19:06:01 1 0.08 0.00 0.07 0.00 0.02 99.83 19:06:01 2 0.07 0.00 0.05 0.00 0.02 99.87 19:06:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:07:01 all 0.16 0.00 0.04 0.00 0.01 99.79 19:07:01 0 0.47 0.00 0.02 0.00 0.02 99.50 19:07:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:07:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:07:01 3 0.05 0.00 0.03 0.00 0.02 99.90 19:08:01 all 0.15 0.00 0.03 0.00 0.02 99.80 19:08:01 0 0.52 0.00 0.03 0.00 0.02 99.43 19:08:01 1 0.03 0.00 0.03 0.00 0.02 99.92 19:08:01 2 0.05 0.00 0.03 0.00 0.02 99.90 19:08:01 3 0.02 0.00 0.03 0.00 0.00 99.95 19:09:02 all 4.41 0.00 2.52 1.12 0.17 91.78 19:09:02 0 4.35 0.00 2.32 0.99 0.15 92.19 19:09:02 1 4.01 0.00 2.70 0.91 0.15 92.23 19:09:02 2 3.81 0.00 2.45 0.03 0.22 93.49 19:09:02 3 5.48 0.00 2.61 2.54 0.15 89.22 Average: all 2.21 0.00 1.16 0.58 0.08 95.97 Average: 0 2.33 0.00 1.22 0.46 0.08 95.90 Average: 1 2.03 0.00 1.27 0.91 0.08 95.71 Average: 2 2.03 0.00 1.06 0.35 0.09 96.46 Average: 3 2.45 0.00 1.07 0.59 0.07 95.83