---> uname -a: Linux 9f709dd1864a 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: 2933.436 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-456 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-456@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 118 0 1043 1056 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) 08/28/20 _x86_64_ (4 CPU) 06:10:20 LINUX RESTART 06:11:01 tps rtps wtps bread/s bwrtn/s 06:12:01 56.86 14.98 41.89 5077.32 4497.74 06:13:01 1.83 0.00 1.83 0.00 27.41 06:14:01 0.80 0.00 0.80 0.00 9.18 06:15:01 0.28 0.00 0.28 0.00 4.36 06:16:01 0.24 0.00 0.24 0.00 3.59 06:17:01 0.33 0.00 0.33 0.00 4.23 06:18:01 0.25 0.02 0.23 0.13 2.03 06:19:01 133.97 93.19 40.78 6978.49 16592.19 Average: 24.38 13.55 10.82 1510.64 2648.71 06:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:12:01 210688 1670868 88.80 2620 1082112 1120916 38.25 461640 1050836 8 06:13:01 215932 1665624 88.52 2620 1082104 1084024 37.00 460696 1047092 8 06:14:01 216116 1665440 88.51 2620 1082112 1084024 37.00 461032 1046768 8 06:15:01 209372 1672184 88.87 2620 1082112 1084304 37.01 468336 1046748 16 06:16:01 209512 1672044 88.86 2620 1082116 1084196 37.00 481576 1033064 16 06:17:01 209892 1671664 88.84 2620 1082124 1084160 37.00 481256 1033064 12 06:18:01 210560 1670996 88.81 2620 1082128 1084088 37.00 481100 1033064 8 06:19:01 124780 1756776 93.37 2620 1115848 1102872 37.64 465012 1089248 92232 Average: 200857 1680700 89.33 2620 1086332 1091073 37.24 470081 1047486 11539 06:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:12:01 eth0 474.02 382.38 1292.43 393.19 0.00 0.00 0.00 06:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 docker0 101.13 79.81 8.57 301.55 0.00 0.00 0.00 06:13:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 06:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 eth0 0.83 0.10 0.06 0.01 0.00 0.00 0.00 06:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 eth0 1.40 0.72 0.59 0.37 0.00 0.00 0.00 06:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 eth0 0.20 0.14 0.08 0.07 0.00 0.00 0.00 06:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 eth0 0.23 0.20 0.07 0.04 0.00 0.00 0.00 06:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 06:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 eth0 89.19 60.74 2331.30 14.20 0.00 0.00 0.00 06:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 70.94 55.69 454.15 51.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.68 10.00 1.07 37.80 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) 08/28/20 _x86_64_ (4 CPU) 06:10:20 LINUX RESTART 06:11:01 CPU %user %nice %system %iowait %steal %idle 06:12:01 all 8.31 0.00 3.13 1.48 0.13 86.96 06:12:01 0 6.89 0.00 3.83 0.88 0.15 88.24 06:12:01 1 9.41 0.00 2.46 0.32 0.12 87.70 06:12:01 2 10.31 0.00 2.88 0.13 0.10 86.57 06:12:01 3 6.57 0.00 3.34 4.53 0.17 85.39 06:13:01 all 0.15 0.00 0.04 0.00 0.01 99.80 06:13:01 0 0.03 0.00 0.07 0.00 0.00 99.90 06:13:01 1 0.03 0.00 0.03 0.00 0.02 99.92 06:13:01 2 0.47 0.00 0.02 0.00 0.02 99.50 06:13:01 3 0.07 0.00 0.05 0.00 0.02 99.87 06:14:01 all 0.14 0.00 0.03 0.00 0.02 99.81 06:14:01 0 0.03 0.00 0.03 0.00 0.02 99.92 06:14:01 1 0.03 0.00 0.02 0.02 0.02 99.92 06:14:01 2 0.48 0.00 0.02 0.00 0.02 99.48 06:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:15:01 all 0.14 0.00 0.04 0.00 0.02 99.81 06:15:01 0 0.05 0.00 0.03 0.00 0.05 99.87 06:15:01 1 0.05 0.00 0.05 0.00 0.02 99.88 06:15:01 2 0.42 0.00 0.05 0.00 0.02 99.52 06:15:01 3 0.02 0.00 0.03 0.00 0.00 99.95 06:16:01 all 0.16 0.00 0.05 0.00 0.01 99.79 06:16:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:16:01 1 0.05 0.00 0.14 0.00 0.02 99.80 06:16:01 2 0.53 0.00 0.00 0.00 0.00 99.47 06:16:01 3 0.02 0.00 0.02 0.00 0.00 99.97 06:17:01 all 0.14 0.00 0.03 0.00 0.02 99.82 06:17:01 0 0.07 0.00 0.07 0.00 0.03 99.83 06:17:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:17:01 2 0.45 0.00 0.02 0.00 0.02 99.52 06:17:01 3 0.02 0.00 0.03 0.00 0.02 99.93 06:18:01 all 0.16 0.00 0.02 0.00 0.00 99.81 06:18:01 0 0.02 0.00 0.02 0.00 0.02 99.95 06:18:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:18:01 2 0.53 0.00 0.02 0.00 0.00 99.45 06:18:01 3 0.07 0.00 0.03 0.00 0.02 99.88 06:19:01 all 5.17 0.00 3.07 1.67 0.11 89.99 06:19:01 0 5.12 0.00 2.41 1.72 0.13 90.63 06:19:01 1 4.39 0.00 2.76 1.04 0.10 91.70 06:19:01 2 6.42 0.00 3.89 3.71 0.12 85.87 06:19:01 3 4.73 0.00 3.22 0.22 0.05 91.78 Average: all 1.78 0.00 0.80 0.39 0.04 96.99 Average: 0 1.52 0.00 0.80 0.32 0.05 97.30 Average: 1 1.75 0.00 0.68 0.17 0.04 97.36 Average: 2 2.44 0.00 0.86 0.48 0.04 96.19 Average: 3 1.43 0.00 0.84 0.59 0.03 97.11