---> uname -a: Linux 7881bd56fbdb 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-398 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-398@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 681 129 0 1026 1049 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) 07/03/20 _x86_64_ (4 CPU) 08:38:17 LINUX RESTART 08:39:02 tps rtps wtps bread/s bwrtn/s 08:40:01 64.14 15.63 48.51 5167.93 6722.33 08:41:01 1.52 0.00 1.52 0.00 26.89 08:42:01 0.18 0.00 0.18 0.00 2.32 08:43:01 0.18 0.00 0.18 0.00 2.01 08:44:01 0.33 0.00 0.33 0.00 5.14 08:45:01 0.27 0.00 0.27 0.00 3.24 Average: 10.96 2.57 8.39 850.01 1112.29 08:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 195276 1686280 89.62 2620 1085012 1153840 39.38 474708 1052440 124 08:41:01 203540 1678016 89.18 2620 1085004 1088176 37.14 471292 1048408 20 08:42:01 200476 1681080 89.35 2620 1085012 1088440 37.15 474940 1048404 20 08:43:01 198960 1682596 89.43 2620 1085012 1088464 37.15 476860 1047716 12 08:44:01 200724 1680832 89.33 2620 1085020 1088176 37.14 486260 1036720 8 08:45:01 200588 1680968 89.34 2620 1085024 1088200 37.14 486464 1036704 8 Average: 199927 1681629 89.37 2620 1085014 1099216 37.51 478421 1045065 32 08:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:40:01 eth0 563.11 402.76 1481.35 406.79 0.00 0.00 0.00 08:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 docker0 119.71 101.49 10.71 309.08 0.00 0.00 0.00 08:41:01 eth0 0.65 0.05 0.06 0.00 0.00 0.00 0.00 08:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 eth0 1.02 0.48 0.32 0.21 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 eth0 0.52 0.47 0.32 0.21 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 eth0 0.33 0.23 0.14 0.07 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 93.05 66.46 243.79 66.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.69 16.69 1.76 50.84 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) 07/03/20 _x86_64_ (4 CPU) 08:38:17 LINUX RESTART 08:39:02 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 12.00 0.00 3.43 2.19 5.51 76.87 08:40:01 0 10.94 0.00 3.59 1.15 5.77 78.55 08:40:01 1 11.77 0.00 3.02 1.93 5.77 77.50 08:40:01 2 12.18 0.00 3.19 1.65 5.48 77.50 08:40:01 3 13.11 0.00 3.94 4.01 5.00 73.95 08:41:01 all 0.13 0.00 0.04 0.00 0.20 99.63 08:41:01 0 0.03 0.00 0.02 0.00 0.18 99.77 08:41:01 1 0.03 0.00 0.03 0.00 0.25 99.68 08:41:01 2 0.03 0.00 0.05 0.00 0.10 99.82 08:41:01 3 0.43 0.00 0.07 0.00 0.25 99.25 08:42:01 all 0.10 0.00 0.03 0.00 0.18 99.68 08:42:01 0 0.02 0.00 0.05 0.00 0.10 99.83 08:42:01 1 0.03 0.00 0.03 0.00 0.30 99.63 08:42:01 2 0.03 0.00 0.03 0.00 0.25 99.68 08:42:01 3 0.33 0.00 0.03 0.00 0.08 99.55 08:43:01 all 0.08 0.00 0.03 0.00 0.12 99.77 08:43:01 0 0.02 0.00 0.02 0.00 0.02 99.95 08:43:01 1 0.02 0.00 0.03 0.00 0.03 99.92 08:43:01 2 0.07 0.00 0.07 0.00 0.22 99.65 08:43:01 3 0.22 0.00 0.02 0.00 0.22 99.55 08:44:01 all 0.12 0.00 0.05 0.00 0.05 99.78 08:44:01 0 0.02 0.00 0.02 0.00 0.05 99.92 08:44:01 1 0.32 0.00 0.02 0.00 0.02 99.65 08:44:01 2 0.05 0.00 0.03 0.00 0.10 99.82 08:44:01 3 0.07 0.00 0.12 0.00 0.03 99.78 08:45:01 all 0.11 0.00 0.04 0.00 0.21 99.65 08:45:01 0 0.02 0.00 0.02 0.00 0.10 99.87 08:45:01 1 0.33 0.00 0.03 0.00 0.22 99.42 08:45:01 2 0.05 0.00 0.03 0.00 0.25 99.67 08:45:01 3 0.03 0.00 0.07 0.00 0.25 99.65 Average: all 2.03 0.00 0.59 0.35 1.02 96.02 Average: 0 1.77 0.00 0.60 0.18 1.00 96.45 Average: 1 2.03 0.00 0.51 0.31 1.07 96.07 Average: 2 2.01 0.00 0.55 0.27 1.04 96.13 Average: 3 2.29 0.00 0.68 0.65 0.94 95.43