---> uname -a: Linux 25b2a56af8c0 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: 2933.442 BogoMIPS: 5866.88 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/gexfoundry_go-mod-registry_PR-47 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_go-mod-registry_PR-47@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 659 119 0 1058 1072 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) 06/16/20 _x86_64_ (4 CPU) 23:24:49 LINUX RESTART 23:26:01 tps rtps wtps bread/s bwrtn/s 23:27:01 2.36 0.00 2.36 0.00 51.54 23:28:01 0.17 0.00 0.17 0.00 2.02 23:29:01 0.28 0.00 0.28 0.00 3.21 23:30:01 0.23 0.00 0.23 0.00 2.70 Average: 0.76 0.00 0.76 0.00 14.87 23:26:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:27:01 172040 1709516 90.86 2620 1141200 1102788 37.64 433068 1117116 16 23:28:01 172872 1708684 90.81 2620 1141204 1081200 36.90 433904 1115752 8 23:29:01 172352 1709204 90.84 2620 1141212 1081344 36.90 434732 1115752 20 23:30:01 170320 1711236 90.95 2620 1141212 1081380 36.91 444088 1107984 16 Average: 171896 1709660 90.86 2620 1141207 1086678 37.09 436448 1114151 15 23:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:27:01 eth0 0.48 0.28 0.27 0.20 0.00 0.00 0.00 23:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:28:01 eth0 0.63 0.08 0.05 0.01 0.00 0.00 0.00 23:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:29:01 eth0 1.73 0.28 0.37 0.17 0.00 0.00 0.00 23:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 eth0 1.12 0.68 0.56 0.40 0.00 0.00 0.00 23:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.99 0.33 0.31 0.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 06/16/20 _x86_64_ (4 CPU) 23:24:49 LINUX RESTART 23:26:01 CPU %user %nice %system %iowait %steal %idle 23:27:01 all 0.15 0.00 0.04 0.00 0.00 99.81 23:27:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:27:01 1 0.47 0.00 0.05 0.00 0.02 99.47 23:27:01 2 0.07 0.00 0.03 0.00 0.00 99.90 23:27:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:28:01 all 0.13 0.00 0.03 0.00 0.00 99.84 23:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:28:01 1 0.45 0.00 0.02 0.00 0.00 99.53 23:28:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:29:01 all 0.15 0.00 0.02 0.00 0.00 99.82 23:29:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:29:01 1 0.52 0.00 0.03 0.00 0.00 99.45 23:29:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:29:01 3 0.00 0.00 0.00 0.00 0.00 100.00 23:30:01 all 0.15 0.00 0.02 0.00 0.00 99.82 23:30:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:30:01 1 0.53 0.00 0.00 0.00 0.00 99.47 23:30:01 2 0.02 0.00 0.03 0.00 0.00 99.95 23:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.15 0.00 0.03 0.00 0.00 99.82 Average: 0 0.05 0.00 0.04 0.00 0.00 99.92 Average: 1 0.49 0.00 0.02 0.00 0.00 99.48 Average: 2 0.03 0.00 0.03 0.00 0.00 99.94 Average: 3 0.02 0.00 0.02 0.00 0.00 99.95