---> uname -a: Linux e876fcccf9f1 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% /w/workspace/exfoundry_go-mod-bootstrap_PR-82 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-82@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 664 129 0 1043 1066 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/06/20 _x86_64_ (4 CPU) 21:46:54 LINUX RESTART 21:48:02 tps rtps wtps bread/s bwrtn/s 21:49:01 1.76 0.00 1.76 0.00 33.93 21:50:01 0.28 0.00 0.28 0.00 3.75 21:51:01 0.27 0.00 0.27 0.00 3.25 21:52:01 0.18 0.00 0.18 0.00 1.88 21:53:02 0.43 0.18 0.25 14.12 4.26 21:54:01 0.64 0.02 0.63 0.14 10.15 21:55:01 42.18 41.76 0.42 4253.79 5.68 Average: 6.56 6.03 0.54 612.99 8.92 21:48:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:49:01 168620 1712936 91.04 2620 1132092 1086108 37.07 424332 1129712 16 21:50:01 168768 1712788 91.03 2620 1132096 1081228 36.90 425248 1129184 12 21:51:01 166560 1714996 91.15 2620 1132104 1081268 36.90 427392 1128996 20 21:52:01 167416 1714140 91.10 2620 1132104 1081100 36.90 426356 1128996 12 21:53:02 160888 1720668 91.45 2620 1132564 1093088 37.31 442496 1118552 52 21:54:01 161620 1719936 91.41 2620 1132580 1093028 37.30 449240 1111568 12 21:55:01 80656 1800900 95.71 2620 1142800 1500268 51.20 519444 1120596 40584 Average: 153504 1728052 91.84 2620 1133763 1145155 39.08 444930 1123943 5815 21:48:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:49:01 eth0 1.00 0.24 0.33 0.02 0.00 0.00 0.00 21:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 eth0 0.55 0.30 0.27 0.20 0.00 0.00 0.00 21:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:51:01 eth0 1.25 0.42 0.49 0.18 0.00 0.00 0.00 21:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 21:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:02 eth0 6.65 3.66 5.75 2.69 0.00 0.00 0.00 21:53:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 eth0 1.86 1.08 1.53 0.77 0.00 0.00 0.00 21:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 eth0 41.26 28.06 715.62 5.13 0.00 0.00 0.00 21:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 7.55 4.86 103.98 1.29 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) 07/06/20 _x86_64_ (4 CPU) 21:46:54 LINUX RESTART 21:48:02 CPU %user %nice %system %iowait %steal %idle 21:49:01 all 0.14 0.00 0.05 0.00 0.00 99.81 21:49:01 0 0.03 0.00 0.05 0.00 0.00 99.92 21:49:01 1 0.07 0.00 0.08 0.00 0.00 99.85 21:49:01 2 0.32 0.00 0.07 0.00 0.00 99.61 21:49:01 3 0.15 0.00 0.03 0.00 0.00 99.81 21:50:01 all 0.15 0.00 0.03 0.00 0.00 99.81 21:50:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:50:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:50:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:50:01 3 0.48 0.00 0.02 0.00 0.00 99.50 21:51:01 all 0.14 0.00 0.03 0.00 0.00 99.83 21:51:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:51:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:51:01 3 0.45 0.00 0.03 0.00 0.00 99.52 21:52:01 all 0.15 0.00 0.03 0.00 0.00 99.82 21:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:52:01 1 0.03 0.00 0.05 0.00 0.00 99.92 21:52:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:52:01 3 0.52 0.00 0.03 0.00 0.00 99.45 21:53:02 all 0.27 0.00 0.08 0.00 0.00 99.65 21:53:02 0 0.13 0.00 0.05 0.00 0.00 99.82 21:53:02 1 0.10 0.00 0.07 0.00 0.00 99.83 21:53:02 2 0.18 0.00 0.08 0.00 0.02 99.72 21:53:02 3 0.68 0.00 0.12 0.02 0.00 99.18 21:54:01 all 0.17 0.00 0.06 0.00 0.00 99.77 21:54:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:54:01 1 0.07 0.00 0.07 0.00 0.00 99.86 21:54:01 2 0.00 0.00 0.03 0.00 0.00 99.97 21:54:01 3 0.56 0.00 0.08 0.00 0.00 99.36 21:55:01 all 1.09 0.00 0.45 0.90 0.00 97.55 21:55:01 0 0.50 0.00 0.42 0.20 0.00 98.88 21:55:01 1 0.43 0.00 0.30 0.12 0.00 99.15 21:55:01 2 1.28 0.00 0.47 1.95 0.00 96.30 21:55:01 3 2.17 0.00 0.63 1.35 0.00 95.85 Average: all 0.30 0.00 0.11 0.13 0.00 99.46 Average: 0 0.12 0.00 0.10 0.03 0.00 99.76 Average: 1 0.11 0.00 0.09 0.02 0.00 99.78 Average: 2 0.27 0.00 0.10 0.28 0.00 99.35 Average: 3 0.72 0.00 0.14 0.20 0.00 98.95