---> uname -a: Linux 1c752106b3cc 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-401@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-401 ---> free -m: total used free shared buff/cache available Mem: 1837 668 118 0 1049 1063 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) 07/08/20 _x86_64_ (4 CPU) 08:25:44 LINUX RESTART 08:27:01 tps rtps wtps bread/s bwrtn/s 08:28:01 2.36 0.00 2.36 0.00 56.37 08:29:01 0.40 0.00 0.40 0.00 5.91 08:30:01 0.35 0.00 0.35 0.00 4.05 08:31:01 0.28 0.00 0.28 0.00 3.06 08:32:01 0.37 0.00 0.37 0.00 6.21 Average: 0.75 0.00 0.75 0.00 15.12 08:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:28:01 181768 1699788 90.34 2620 1115880 1075248 36.70 475760 1063976 20 08:29:01 179156 1702400 90.48 2620 1115884 1075540 36.71 479452 1063480 16 08:30:01 179052 1702504 90.48 2620 1115892 1075564 36.71 480328 1062704 8 08:31:01 180492 1701064 90.41 2620 1115892 1075324 36.70 478972 1062704 20 08:32:01 180452 1701104 90.41 2620 1115896 1075396 36.70 479232 1062704 8 Average: 180184 1701372 90.42 2620 1115889 1075414 36.70 478749 1063114 14 08:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:28:01 eth0 0.70 0.10 0.06 0.02 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 eth0 0.87 0.45 0.30 0.46 0.00 0.00 0.00 08:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 eth0 1.15 0.32 0.49 0.20 0.00 0.00 0.00 08:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 eth0 0.27 0.18 0.14 0.07 0.00 0.00 0.00 08:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.62 0.23 0.20 0.15 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/08/20 _x86_64_ (4 CPU) 08:25:44 LINUX RESTART 08:27:01 CPU %user %nice %system %iowait %steal %idle 08:28:01 all 0.04 0.00 0.06 0.00 0.05 99.85 08:28:01 0 0.05 0.00 0.07 0.00 0.07 99.82 08:28:01 1 0.05 0.00 0.07 0.00 0.02 99.87 08:28:01 2 0.03 0.00 0.08 0.00 0.03 99.85 08:28:01 3 0.05 0.00 0.05 0.00 0.07 99.83 08:29:01 all 0.05 0.00 0.03 0.00 0.03 99.89 08:29:01 0 0.03 0.00 0.02 0.00 0.03 99.92 08:29:01 1 0.10 0.00 0.02 0.00 0.02 99.87 08:29:01 2 0.05 0.00 0.05 0.00 0.08 99.82 08:29:01 3 0.02 0.00 0.02 0.00 0.02 99.95 08:30:01 all 0.13 0.00 0.03 0.00 0.18 99.65 08:30:01 0 0.08 0.00 0.03 0.00 0.05 99.83 08:30:01 1 0.40 0.00 0.05 0.00 0.38 99.17 08:30:01 2 0.02 0.00 0.03 0.00 0.25 99.70 08:30:01 3 0.02 0.00 0.02 0.00 0.03 99.93 08:31:01 all 0.13 0.00 0.03 0.00 0.19 99.65 08:31:01 0 0.02 0.00 0.02 0.00 0.08 99.88 08:31:01 1 0.42 0.00 0.03 0.00 0.25 99.30 08:31:01 2 0.05 0.00 0.05 0.00 0.28 99.62 08:31:01 3 0.02 0.00 0.02 0.00 0.17 99.80 08:32:01 all 0.14 0.00 0.02 0.00 0.04 99.79 08:32:01 0 0.00 0.00 0.02 0.00 0.05 99.93 08:32:01 1 0.48 0.00 0.03 0.00 0.03 99.45 08:32:01 2 0.03 0.00 0.00 0.00 0.02 99.95 08:32:01 3 0.05 0.00 0.05 0.00 0.05 99.85 Average: all 0.10 0.00 0.04 0.00 0.10 99.77 Average: 0 0.04 0.00 0.03 0.00 0.06 99.88 Average: 1 0.29 0.00 0.04 0.00 0.14 99.53 Average: 2 0.04 0.00 0.04 0.00 0.13 99.79 Average: 3 0.03 0.00 0.03 0.00 0.07 99.87