---> uname -a: Linux 5ad4dce7c580 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% /w/workspace/ndry_app-functions-sdk-go_PR-434 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-434@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 675 118 0 1042 1055 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) 08/04/20 _x86_64_ (4 CPU) 20:45:50 LINUX RESTART 20:47:01 tps rtps wtps bread/s bwrtn/s 20:48:01 2.38 0.00 2.38 0.00 51.87 20:49:01 0.38 0.00 0.38 0.00 5.55 20:50:01 0.22 0.00 0.22 0.00 2.07 20:51:01 0.28 0.00 0.28 0.00 3.90 20:52:01 94.14 66.69 27.45 5460.56 13944.38 Average: 19.49 13.34 6.15 1092.55 2802.67 20:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:48:01 201272 1680284 89.30 2620 1107804 1088484 37.15 433888 1088228 20 20:49:01 198416 1683140 89.45 2620 1107808 1080260 36.87 437456 1087552 8 20:50:01 197800 1683756 89.49 2620 1107816 1080404 36.87 438364 1087556 8 20:51:01 197120 1684436 89.52 2620 1107816 1080260 36.87 441652 1084820 8 20:52:01 183172 1698384 90.26 2620 1044288 1288760 43.98 494300 1019768 13760 Average: 195556 1686000 89.61 2620 1095106 1123634 38.35 449132 1073585 2761 20:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:48:01 eth0 2.36 1.25 2.02 0.10 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 eth0 0.28 0.08 0.03 0.01 0.00 0.00 0.00 20:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 eth0 0.67 0.40 0.30 0.21 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 eth0 94.67 66.07 2328.07 19.07 0.00 0.00 0.00 20:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.62 13.59 466.27 3.88 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) 08/04/20 _x86_64_ (4 CPU) 20:45:50 LINUX RESTART 20:47:01 CPU %user %nice %system %iowait %steal %idle 20:48:01 all 0.16 0.00 0.05 0.00 0.00 99.80 20:48:01 0 0.48 0.00 0.07 0.00 0.00 99.45 20:48:01 1 0.08 0.00 0.05 0.00 0.00 99.87 20:48:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:48:01 3 0.03 0.00 0.05 0.00 0.00 99.92 20:49:01 all 0.14 0.00 0.03 0.00 0.00 99.83 20:49:01 0 0.45 0.00 0.03 0.00 0.00 99.52 20:49:01 1 0.03 0.00 0.03 0.00 0.00 99.93 20:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:50:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:50:01 0 0.48 0.00 0.03 0.00 0.00 99.48 20:50:01 1 0.02 0.00 0.03 0.00 0.02 99.93 20:50:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:50:01 3 0.02 0.00 0.00 0.00 0.00 99.98 20:51:01 all 0.14 0.00 0.03 0.00 0.00 99.83 20:51:01 0 0.45 0.00 0.02 0.00 0.00 99.53 20:51:01 1 0.03 0.00 0.05 0.00 0.00 99.92 20:51:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:51:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:52:01 all 3.89 0.00 2.04 1.27 0.00 92.80 20:52:01 0 3.84 0.00 2.14 0.32 0.00 93.70 20:52:01 1 3.43 0.00 1.96 0.35 0.00 94.26 20:52:01 2 3.55 0.00 1.71 1.17 0.02 93.56 20:52:01 3 4.74 0.00 2.29 3.25 0.00 89.73 Average: all 0.89 0.00 0.43 0.25 0.00 98.42 Average: 0 1.14 0.00 0.46 0.06 0.00 98.34 Average: 1 0.72 0.00 0.42 0.07 0.00 98.79 Average: 2 0.75 0.00 0.37 0.23 0.00 98.64 Average: 3 0.96 0.00 0.48 0.65 0.00 97.91