---> uname -a: Linux 47920ca91824 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-397 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-397@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 114 0 1051 1061 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) 07/01/20 _x86_64_ (4 CPU) 08:44:45 LINUX RESTART 08:45:01 tps rtps wtps bread/s bwrtn/s 08:46:01 191.49 99.15 92.34 11841.68 42027.82 08:47:01 2.38 0.00 2.38 0.00 54.79 08:48:01 0.37 0.00 0.37 0.00 5.06 08:49:01 0.27 0.00 0.27 0.00 3.61 08:50:01 0.22 0.00 0.22 0.00 2.56 08:51:01 0.35 0.00 0.35 0.00 5.00 Average: 32.52 16.53 15.99 1974.33 7019.00 08:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:46:01 196580 1684976 89.55 2620 1093692 1143452 39.02 449172 1075360 120 08:47:01 207216 1674340 88.99 2620 1093624 1080992 36.89 444716 1071156 20 08:48:01 203832 1677724 89.17 2620 1093632 1081232 36.90 448136 1070944 12 08:49:01 203660 1677896 89.18 2620 1093632 1081344 36.90 448456 1070944 8 08:50:01 204072 1677484 89.15 2620 1093640 1081068 36.89 452856 1066268 8 08:51:01 203996 1677560 89.16 2620 1093648 1081128 36.90 456276 1063216 12 Average: 203226 1678330 89.20 2620 1093645 1091536 37.25 449935 1069648 30 08:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:46:01 eth0 774.73 535.89 1657.96 418.44 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 132.45 91.78 10.38 302.40 0.00 0.00 0.00 08:47:01 eth0 0.77 0.08 0.06 0.02 0.00 0.00 0.00 08:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 0.95 0.45 0.31 0.44 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 eth0 0.62 0.37 0.32 0.20 0.00 0.00 0.00 08:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 eth0 0.28 0.23 0.14 0.08 0.00 0.00 0.00 08:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 129.62 89.55 276.57 69.89 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.08 15.30 1.73 50.42 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) 07/01/20 _x86_64_ (4 CPU) 08:44:45 LINUX RESTART 08:45:01 CPU %user %nice %system %iowait %steal %idle 08:46:01 all 18.24 0.00 8.74 10.35 0.03 62.64 08:46:01 0 19.60 0.00 9.97 8.66 0.02 61.75 08:46:01 1 17.29 0.00 8.71 13.04 0.03 60.92 08:46:01 2 18.00 0.00 8.17 11.40 0.02 62.41 08:46:01 3 18.07 0.00 8.09 8.31 0.02 65.51 08:47:01 all 0.05 0.00 0.04 0.00 0.00 99.91 08:47:01 0 0.05 0.00 0.02 0.00 0.00 99.93 08:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:47:01 3 0.05 0.00 0.05 0.00 0.00 99.90 08:48:01 all 0.07 0.00 0.03 0.00 0.00 99.90 08:48:01 0 0.02 0.00 0.05 0.00 0.00 99.93 08:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:48:01 2 0.07 0.00 0.02 0.00 0.00 99.92 08:48:01 3 0.20 0.00 0.03 0.00 0.02 99.75 08:49:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:49:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:49:01 2 0.03 0.00 0.03 0.00 0.00 99.93 08:49:01 3 0.52 0.00 0.03 0.00 0.00 99.45 08:50:01 all 0.06 0.00 0.04 0.00 0.00 99.90 08:50:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:50:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:50:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:50:01 3 0.13 0.00 0.03 0.00 0.00 99.83 08:51:01 all 0.10 0.00 0.05 0.00 0.00 99.85 08:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:51:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:51:01 2 0.02 0.00 0.12 0.00 0.00 99.87 08:51:01 3 0.32 0.00 0.03 0.00 0.00 99.65 Average: all 3.09 0.00 1.48 1.71 0.00 93.72 Average: 0 3.25 0.00 1.67 1.43 0.00 93.65 Average: 1 2.90 0.00 1.47 2.16 0.01 93.47 Average: 2 3.01 0.00 1.40 1.89 0.00 93.70 Average: 3 3.19 0.00 1.37 1.37 0.01 94.06