---> uname -a: Linux ddd2d8a78b86 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% /w/workspace/ndry_app-functions-sdk-go_PR-441@tmp /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-441 ---> free -m: total used free shared buff/cache available Mem: 1837 673 125 0 1037 1058 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) 08/11/20 _x86_64_ (4 CPU) 00:35:15 LINUX RESTART 00:36:01 tps rtps wtps bread/s bwrtn/s 00:37:02 51.90 12.57 39.33 4855.13 5431.67 00:38:01 1.47 0.00 1.47 0.00 23.96 00:39:01 0.25 0.00 0.25 0.00 2.71 00:40:01 0.28 0.00 0.28 0.00 3.20 00:41:01 0.28 0.00 0.28 0.00 4.83 00:42:01 0.33 0.00 0.33 0.00 3.55 00:43:01 0.33 0.02 0.32 0.13 3.51 00:44:01 0.22 0.00 0.22 0.00 2.83 Average: 6.90 1.58 5.32 608.48 686.25 00:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:37:02 201896 1679660 89.27 2620 1093648 1126116 38.43 433744 1086772 20 00:38:01 208216 1673340 88.93 2620 1093652 1083176 36.97 432932 1082792 8 00:39:01 208228 1673328 88.93 2620 1093660 1083080 36.96 432568 1082792 8 00:40:01 205528 1676028 89.08 2620 1093660 1083272 36.97 435548 1082592 8 00:41:01 205432 1676124 89.08 2620 1093664 1083224 36.97 444532 1073376 8 00:42:01 205480 1676076 89.08 2620 1093672 1083080 36.96 449612 1068752 8 00:43:01 205396 1676160 89.08 2620 1093680 1083080 36.96 453720 1064664 16 00:44:01 205340 1676216 89.09 2620 1093688 1083080 36.96 446276 1071992 8 Average: 205690 1675867 89.07 2620 1093666 1088514 37.15 441117 1076717 11 00:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:37:02 eth0 403.60 331.86 1084.45 374.64 0.00 0.00 0.00 00:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:02 docker0 97.79 85.35 8.18 301.94 0.00 0.00 0.00 00:38:01 eth0 3.22 1.83 3.62 0.12 0.00 0.00 0.00 00:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 eth0 0.28 0.02 0.02 0.00 0.00 0.00 0.00 00:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 eth0 1.35 0.35 0.35 0.20 0.00 0.00 0.00 00:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:41:01 eth0 0.67 0.42 0.35 0.24 0.00 0.00 0.00 00:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 eth0 0.10 0.08 0.01 0.03 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 00:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 51.31 41.94 136.45 47.03 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.25 10.70 1.03 37.84 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) 08/11/20 _x86_64_ (4 CPU) 00:35:15 LINUX RESTART 00:36:01 CPU %user %nice %system %iowait %steal %idle 00:37:02 all 5.94 0.00 2.65 1.89 0.27 89.25 00:37:02 0 5.16 0.00 3.25 0.86 0.25 90.47 00:37:02 1 7.17 0.00 2.41 2.00 0.24 88.18 00:37:02 2 6.04 0.00 2.36 0.61 0.25 90.74 00:37:02 3 5.40 0.00 2.58 4.08 0.35 87.59 00:38:01 all 0.14 0.00 0.07 0.00 0.02 99.77 00:38:01 0 0.07 0.00 0.07 0.00 0.02 99.85 00:38:01 1 0.05 0.00 0.07 0.00 0.02 99.86 00:38:01 2 0.39 0.00 0.08 0.00 0.03 99.49 00:38:01 3 0.05 0.00 0.05 0.00 0.02 99.88 00:39:01 all 0.13 0.00 0.03 0.00 0.00 99.84 00:39:01 0 0.05 0.00 0.03 0.00 0.00 99.92 00:39:01 1 0.05 0.00 0.03 0.00 0.00 99.92 00:39:01 2 0.40 0.00 0.03 0.00 0.00 99.57 00:39:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:40:01 all 0.13 0.00 0.03 0.00 0.00 99.84 00:40:01 0 0.03 0.00 0.02 0.00 0.02 99.93 00:40:01 1 0.05 0.00 0.05 0.00 0.00 99.90 00:40:01 2 0.37 0.00 0.03 0.00 0.00 99.60 00:40:01 3 0.05 0.00 0.03 0.00 0.00 99.92 00:41:01 all 0.16 0.00 0.03 0.00 0.00 99.80 00:41:01 0 0.02 0.00 0.05 0.00 0.00 99.93 00:41:01 1 0.05 0.00 0.05 0.00 0.02 99.88 00:41:01 2 0.55 0.00 0.05 0.00 0.00 99.40 00:41:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:42:01 all 0.12 0.00 0.05 0.00 0.00 99.82 00:42:01 0 0.02 0.00 0.08 0.00 0.00 99.90 00:42:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:42:01 2 0.45 0.00 0.08 0.00 0.02 99.45 00:42:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:43:01 all 0.13 0.00 0.03 0.00 0.01 99.83 00:43:01 0 0.03 0.00 0.05 0.00 0.00 99.92 00:43:01 1 0.10 0.00 0.03 0.00 0.00 99.87 00:43:01 2 0.33 0.00 0.05 0.00 0.03 99.58 00:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:44:01 all 0.15 0.00 0.03 0.00 0.00 99.81 00:44:01 0 0.02 0.00 0.02 0.00 0.02 99.95 00:44:01 1 0.52 0.00 0.00 0.00 0.00 99.48 00:44:01 2 0.05 0.00 0.07 0.00 0.02 99.87 00:44:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 0.86 0.00 0.36 0.23 0.04 98.51 Average: 0 0.67 0.00 0.44 0.11 0.04 98.75 Average: 1 0.99 0.00 0.33 0.25 0.03 98.39 Average: 2 1.07 0.00 0.34 0.08 0.04 98.47 Average: 3 0.69 0.00 0.34 0.51 0.05 98.41