---> uname -a: Linux f59b4d809cd9 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-400 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-400@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 110 0 1058 1063 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) 07/09/20 _x86_64_ (4 CPU) 23:09:49 LINUX RESTART 23:11:01 tps rtps wtps bread/s bwrtn/s 23:12:01 2.61 0.00 2.61 0.00 66.48 23:13:02 0.38 0.00 0.38 0.00 5.70 23:14:01 0.29 0.00 0.29 0.00 3.44 23:15:01 0.27 0.00 0.27 0.00 3.26 23:16:01 0.35 0.00 0.35 0.00 5.40 23:17:01 0.27 0.02 0.25 0.13 2.88 Average: 0.70 0.00 0.69 0.02 14.56 23:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:12:01 165672 1715884 91.19 2620 1133912 1092588 37.29 467136 1088436 20 23:13:02 163484 1718072 91.31 2620 1133916 1090668 37.22 469792 1088020 12 23:14:01 165628 1715928 91.20 2620 1133920 1072092 36.59 468204 1087412 20 23:15:01 163600 1717956 91.31 2620 1133924 1072272 36.59 475412 1082384 20 23:16:01 161168 1720388 91.43 2620 1133928 1072332 36.60 478296 1082384 8 23:17:01 162324 1719232 91.37 2620 1133940 1072256 36.59 477200 1082384 8 Average: 163646 1717910 91.30 2620 1133923 1078701 36.81 472673 1085170 15 23:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:12:01 eth0 5.20 1.78 3.80 0.28 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:02 eth0 1.98 1.03 0.90 0.61 0.00 0.00 0.00 23:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 eth0 1.41 0.05 0.12 0.04 0.00 0.00 0.00 23:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 eth0 1.45 0.55 0.59 0.36 0.00 0.00 0.00 23:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 eth0 0.77 0.73 0.35 2.95 0.00 0.00 0.00 23:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 eth0 0.27 0.22 0.10 0.02 0.00 0.00 0.00 23:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.85 0.73 0.98 0.71 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) 07/09/20 _x86_64_ (4 CPU) 23:09:49 LINUX RESTART 23:11:01 CPU %user %nice %system %iowait %steal %idle 23:12:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:12:01 0 0.52 0.00 0.07 0.00 0.00 99.42 23:12:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:12:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:13:02 all 0.16 0.00 0.03 0.00 0.00 99.80 23:13:02 0 0.50 0.00 0.03 0.00 0.00 99.47 23:13:02 1 0.05 0.00 0.02 0.00 0.00 99.93 23:13:02 2 0.03 0.00 0.03 0.00 0.00 99.93 23:13:02 3 0.07 0.00 0.05 0.00 0.00 99.88 23:14:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:14:01 0 0.51 0.00 0.00 0.00 0.00 99.49 23:14:01 1 0.02 0.00 0.03 0.00 0.00 99.95 23:14:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:14:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:15:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:15:01 0 0.58 0.00 0.03 0.00 0.02 99.37 23:15:01 1 0.07 0.00 0.07 0.00 0.02 99.85 23:15:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:15:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:16:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:16:01 0 0.55 0.00 0.07 0.00 0.00 99.38 23:16:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:16:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:16:01 3 0.05 0.00 0.02 0.00 0.00 99.93 23:17:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:17:01 0 0.52 0.00 0.02 0.00 0.00 99.47 23:17:01 1 0.02 0.00 0.00 0.00 0.00 99.98 23:17:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:17:01 3 0.02 0.00 0.03 0.00 0.02 99.93 Average: all 0.17 0.00 0.04 0.00 0.00 99.79 Average: 0 0.53 0.00 0.04 0.00 0.00 99.43 Average: 1 0.05 0.00 0.03 0.00 0.00 99.92 Average: 2 0.05 0.00 0.04 0.00 0.00 99.91 Average: 3 0.05 0.00 0.04 0.00 0.00 99.91