---> uname -a: Linux fcd31307232b 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: 2933.442 BogoMIPS: 5866.88 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-433 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-433@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 660 128 0 1049 1070 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) 07/31/20 _x86_64_ (4 CPU) 21:57:10 LINUX RESTART 21:58:01 tps rtps wtps bread/s bwrtn/s 21:59:01 29.29 11.22 18.07 4497.37 3196.42 22:00:01 1.58 0.00 1.58 0.00 29.66 22:01:01 41.64 41.38 0.27 4050.75 3.53 Average: 24.17 17.53 6.64 2849.69 1076.65 21:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:59:01 227672 1653884 87.90 2620 1067344 1118428 38.17 437740 1058352 20 22:00:01 233324 1648232 87.60 2620 1067412 1081800 36.92 438072 1053572 8 22:01:01 108284 1773272 94.24 2620 1189064 1085748 37.05 441492 1174544 68 Average: 189760 1691796 89.91 2620 1107940 1095325 37.38 439101 1095489 32 21:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:59:01 eth0 242.91 200.32 654.45 350.02 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 107.96 88.53 8.81 302.25 0.00 0.00 0.00 22:00:01 eth0 0.47 0.08 0.05 0.01 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 eth0 6.49 3.48 5.33 2.21 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 83.30 67.97 219.97 117.43 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 35.99 29.51 2.94 100.76 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) 07/31/20 _x86_64_ (4 CPU) 21:57:10 LINUX RESTART 21:58:01 CPU %user %nice %system %iowait %steal %idle 21:59:01 all 3.80 0.00 1.66 0.67 0.00 93.86 21:59:01 0 2.28 0.00 1.81 0.42 0.02 95.46 21:59:01 1 4.34 0.00 1.34 0.47 0.00 93.85 21:59:01 2 4.85 0.00 1.66 0.42 0.00 93.07 21:59:01 3 3.73 0.00 1.82 1.34 0.02 93.09 22:00:01 all 0.05 0.00 0.04 0.00 0.00 99.91 22:00:01 0 0.12 0.00 0.07 0.00 0.00 99.82 22:00:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:00:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:00:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:01:01 all 0.81 0.00 0.23 0.88 0.00 98.08 22:01:01 0 0.68 0.00 0.18 0.77 0.00 98.37 22:01:01 1 0.38 0.00 0.15 0.12 0.00 99.35 22:01:01 2 1.43 0.00 0.33 1.40 0.00 96.83 22:01:01 3 0.77 0.00 0.23 1.25 0.00 97.75 Average: all 1.55 0.00 0.64 0.51 0.00 97.29 Average: 0 1.03 0.00 0.69 0.40 0.01 97.89 Average: 1 1.58 0.00 0.51 0.19 0.00 97.72 Average: 2 2.10 0.00 0.68 0.61 0.00 96.61 Average: 3 1.50 0.00 0.70 0.86 0.01 96.94