---> uname -a: Linux 1f3d14100f54 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-418 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-418@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 693 124 0 1019 1038 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) 07/24/20 _x86_64_ (4 CPU) 16:21:59 LINUX RESTART 16:23:01 tps rtps wtps bread/s bwrtn/s 16:24:02 7.51 2.15 5.36 184.65 1247.36 16:25:01 0.25 0.00 0.25 0.00 3.84 16:26:01 0.35 0.00 0.35 0.00 6.11 16:27:01 0.17 0.00 0.17 0.00 1.47 16:28:01 0.25 0.00 0.25 0.00 3.61 Average: 1.71 0.43 1.28 37.06 253.34 16:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:24:02 209960 1671596 88.84 2620 1066804 1101600 37.60 449464 1065008 20 16:25:01 205164 1676392 89.10 2620 1066808 1081332 36.90 456416 1063536 8 16:26:01 204980 1676576 89.11 2620 1066816 1081380 36.91 456580 1063536 8 16:27:01 205440 1676116 89.08 2620 1066816 1081092 36.90 458664 1060908 8 16:28:01 204664 1676892 89.12 2620 1066820 1081320 36.90 464640 1056288 8 Average: 206042 1675514 89.05 2620 1066813 1085345 37.04 457153 1061855 10 16:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:24:02 eth0 118.30 69.28 30.59 310.76 0.00 0.00 0.00 16:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:02 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 16:25:01 eth0 1.51 0.78 0.63 0.38 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 eth0 0.52 0.33 0.27 0.23 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 0.53 0.08 0.05 0.01 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 1.08 0.45 0.49 0.27 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.47 14.23 6.43 62.54 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 0.01 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) 07/24/20 _x86_64_ (4 CPU) 16:21:59 LINUX RESTART 16:23:01 CPU %user %nice %system %iowait %steal %idle 16:24:02 all 1.82 0.00 0.41 0.06 0.01 97.70 16:24:02 0 3.02 0.00 0.53 0.03 0.00 96.41 16:24:02 1 1.59 0.00 0.42 0.02 0.00 97.98 16:24:02 2 1.55 0.00 0.28 0.00 0.02 98.15 16:24:02 3 1.12 0.00 0.42 0.18 0.00 98.28 16:25:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:25:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:25:01 1 0.05 0.00 0.10 0.00 0.00 99.85 16:25:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:25:01 3 0.51 0.00 0.02 0.00 0.00 99.47 16:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:26:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:26:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:26:01 2 0.03 0.00 0.02 0.00 0.00 99.95 16:26:01 3 0.48 0.00 0.03 0.00 0.00 99.48 16:27:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:27:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:27:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:27:01 2 0.02 0.00 0.05 0.00 0.00 99.93 16:27:01 3 0.53 0.00 0.02 0.00 0.00 99.45 16:28:01 all 0.16 0.00 0.03 0.00 0.00 99.80 16:28:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:28:01 1 0.05 0.00 0.02 0.00 0.00 99.93 16:28:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:28:01 3 0.53 0.00 0.02 0.00 0.02 99.43 Average: all 0.49 0.00 0.11 0.01 0.00 99.39 Average: 0 0.63 0.00 0.13 0.01 0.00 99.24 Average: 1 0.35 0.00 0.12 0.00 0.00 99.52 Average: 2 0.34 0.00 0.08 0.00 0.00 99.58 Average: 3 0.64 0.00 0.10 0.04 0.00 99.22