---> uname -a: Linux d9991008bc40 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-393 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-393@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 689 125 0 1022 1042 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) 06/26/20 _x86_64_ (4 CPU) 16:08:16 LINUX RESTART 16:09:02 tps rtps wtps bread/s bwrtn/s 16:10:01 31.59 10.62 20.98 4536.95 3437.62 16:11:01 0.50 0.02 0.48 0.53 11.36 16:12:01 0.33 0.00 0.33 0.00 4.16 16:13:01 0.27 0.00 0.27 0.00 2.50 16:14:01 0.17 0.00 0.17 0.00 2.51 16:15:01 145.70 103.68 42.03 7363.25 17694.74 Average: 29.78 19.09 10.69 1977.67 3528.98 16:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 174596 1706960 90.72 2620 1118308 1155820 39.45 452640 1093012 20 16:11:01 182812 1698744 90.28 2620 1118312 1089192 37.17 450136 1088472 16 16:12:01 177744 1703812 90.55 2620 1118316 1089372 37.18 456332 1087344 8 16:13:01 175696 1705860 90.66 2620 1118320 1089532 37.18 459044 1086808 20 16:14:01 173676 1707880 90.77 2620 1118324 1089580 37.19 471284 1076592 16 16:15:01 93424 1788132 95.03 2620 1093588 1298896 44.33 506864 1073048 32072 Average: 162991 1718565 91.34 2620 1114195 1135399 38.75 466050 1084213 5359 16:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:10:01 eth0 308.58 238.72 778.59 363.12 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 110.01 103.52 9.49 309.64 0.00 0.00 0.00 16:11:01 eth0 1.17 0.03 0.11 0.00 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 1.45 0.38 0.38 0.21 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 eth0 1.48 0.60 0.60 0.36 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 eth0 0.57 0.35 0.34 0.29 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 eth0 104.04 66.37 2331.36 22.68 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 68.90 50.56 518.26 63.61 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.08 17.01 1.56 50.89 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) 06/26/20 _x86_64_ (4 CPU) 16:08:16 LINUX RESTART 16:09:02 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 5.47 0.00 2.22 0.64 0.44 91.23 16:10:01 0 5.12 0.00 2.31 0.38 0.36 91.83 16:10:01 1 6.06 0.00 2.35 0.19 0.61 90.79 16:10:01 2 6.03 0.00 1.59 0.19 0.36 91.84 16:10:01 3 4.62 0.00 2.63 1.83 0.44 90.48 16:11:01 all 0.10 0.00 0.06 0.00 0.06 99.78 16:11:01 0 0.03 0.00 0.07 0.00 0.07 99.83 16:11:01 1 0.33 0.00 0.08 0.00 0.08 99.50 16:11:01 2 0.03 0.00 0.07 0.00 0.05 99.85 16:11:01 3 0.03 0.00 0.02 0.00 0.02 99.93 16:12:01 all 0.16 0.00 0.03 0.00 0.06 99.75 16:12:01 0 0.03 0.00 0.03 0.00 0.13 99.80 16:12:01 1 0.42 0.00 0.03 0.00 0.05 99.50 16:12:01 2 0.05 0.00 0.02 0.00 0.03 99.90 16:12:01 3 0.12 0.00 0.02 0.00 0.02 99.85 16:13:01 all 0.13 0.00 0.02 0.00 0.10 99.74 16:13:01 0 0.05 0.00 0.03 0.00 0.28 99.63 16:13:01 1 0.43 0.00 0.03 0.00 0.08 99.45 16:13:01 2 0.02 0.00 0.03 0.00 0.03 99.92 16:13:01 3 0.03 0.00 0.02 0.00 0.03 99.92 16:14:01 all 0.17 0.00 0.03 0.00 0.02 99.78 16:14:01 0 0.05 0.00 0.07 0.00 0.03 99.85 16:14:01 1 0.50 0.00 0.03 0.00 0.02 99.45 16:14:01 2 0.03 0.00 0.02 0.00 0.02 99.93 16:14:01 3 0.12 0.00 0.03 0.00 0.00 99.85 16:15:01 all 5.43 0.00 2.98 1.41 0.30 89.89 16:15:01 0 4.94 0.00 2.99 0.77 0.37 90.92 16:15:01 1 5.62 0.00 2.57 1.51 0.27 90.02 16:15:01 2 4.71 0.00 3.13 1.11 0.24 90.82 16:15:01 3 6.44 0.00 3.18 2.25 0.32 87.81 Average: all 1.89 0.00 0.88 0.34 0.16 96.73 Average: 0 1.68 0.00 0.91 0.19 0.21 97.01 Average: 1 2.21 0.00 0.84 0.28 0.18 96.48 Average: 2 1.79 0.00 0.80 0.21 0.12 97.07 Average: 3 1.87 0.00 0.97 0.67 0.14 96.34