---> uname -a: Linux 7f7f20eb4c58 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-392@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-392 ---> free -m: total used free shared buff/cache available Mem: 1837 642 132 0 1063 1090 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) 16:11:47 LINUX RESTART 16:13:01 tps rtps wtps bread/s bwrtn/s 16:14:01 32.15 10.03 22.11 4431.81 3246.66 16:15:01 1.62 0.00 1.62 0.00 31.16 16:16:01 0.32 0.00 0.32 0.00 3.54 16:17:01 0.45 0.00 0.45 0.00 6.79 16:18:01 0.23 0.00 0.23 0.00 3.36 16:19:01 0.33 0.02 0.32 0.13 3.83 16:20:01 145.48 87.90 57.58 6947.89 19900.30 Average: 25.80 13.99 11.81 1626.09 3314.05 16:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:14:01 223316 1658240 88.13 2620 1087212 1129456 38.55 433480 1064312 20 16:15:01 237252 1644304 87.39 2620 1087216 1028904 35.11 426052 1059644 8 16:16:01 237756 1643800 87.36 2620 1087224 1028904 35.11 425936 1059644 12 16:17:01 234916 1646640 87.51 2620 1087224 1029120 35.12 441200 1047004 16 16:18:01 233864 1647692 87.57 2620 1087232 1029168 35.12 465968 1023400 8 16:19:01 235500 1646056 87.48 2620 1087244 1028904 35.11 475448 1012584 12 16:20:01 93864 1787692 95.01 2620 1146088 1226000 41.84 481284 1104448 44 Average: 213781 1667775 88.64 2620 1095634 1071494 36.57 449910 1053005 17 16:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:14:01 eth0 231.53 192.03 654.45 355.36 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 109.48 103.24 10.37 302.58 0.00 0.00 0.00 16:15:01 eth0 0.37 0.08 0.02 0.01 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 16:16:01 eth0 0.95 0.08 0.10 0.01 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 1.58 0.62 0.59 0.40 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 eth0 0.70 0.40 0.40 0.26 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 16:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 eth0 78.77 54.40 2333.67 11.53 0.00 0.00 0.00 16:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 44.88 35.40 427.10 52.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.65 14.76 1.48 43.25 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) 16:11:47 LINUX RESTART 16:13:01 CPU %user %nice %system %iowait %steal %idle 16:14:01 all 4.01 0.00 1.74 0.53 6.15 87.57 16:14:01 0 4.09 0.00 1.65 0.13 6.81 87.33 16:14:01 1 3.63 0.00 1.83 0.47 6.04 88.03 16:14:01 2 4.63 0.00 1.39 1.13 5.47 87.38 16:14:01 3 3.68 0.00 2.09 0.43 6.28 87.52 16:15:01 all 0.11 0.00 0.06 0.00 0.39 99.44 16:15:01 0 0.25 0.00 0.07 0.00 0.28 99.40 16:15:01 1 0.03 0.00 0.03 0.00 0.25 99.68 16:15:01 2 0.05 0.00 0.05 0.00 0.42 99.49 16:15:01 3 0.12 0.00 0.08 0.00 0.63 99.17 16:16:01 all 0.11 0.00 0.03 0.00 0.31 99.55 16:16:01 0 0.23 0.00 0.02 0.00 0.15 99.60 16:16:01 1 0.05 0.00 0.07 0.00 0.40 99.48 16:16:01 2 0.15 0.00 0.02 0.00 0.25 99.58 16:16:01 3 0.00 0.00 0.02 0.00 0.43 99.55 16:17:01 all 0.11 0.00 0.04 0.00 0.45 99.40 16:17:01 0 0.03 0.00 0.02 0.00 0.20 99.75 16:17:01 1 0.02 0.00 0.07 0.00 0.48 99.43 16:17:01 2 0.05 0.00 0.02 0.00 0.50 99.44 16:17:01 3 0.37 0.00 0.07 0.00 0.63 98.94 16:18:01 all 0.12 0.00 0.05 0.00 0.11 99.72 16:18:01 0 0.02 0.00 0.03 0.00 0.02 99.93 16:18:01 1 0.02 0.00 0.03 0.00 0.22 99.73 16:18:01 2 0.05 0.00 0.03 0.00 0.15 99.77 16:18:01 3 0.38 0.00 0.10 0.00 0.05 99.47 16:19:01 all 0.09 0.00 0.06 0.00 0.12 99.73 16:19:01 0 0.02 0.00 0.03 0.00 0.10 99.85 16:19:01 1 0.07 0.00 0.07 0.00 0.23 99.63 16:19:01 2 0.00 0.00 0.00 0.00 0.03 99.97 16:19:01 3 0.27 0.00 0.13 0.00 0.15 99.45 16:20:01 all 4.59 0.00 2.68 1.71 4.12 86.90 16:20:01 0 3.66 0.00 2.21 1.01 4.31 88.81 16:20:01 1 4.81 0.00 2.89 1.58 3.89 86.83 16:20:01 2 5.82 0.00 3.49 2.95 4.04 83.70 16:20:01 3 4.10 0.00 2.18 1.35 4.23 88.15 Average: all 1.30 0.00 0.66 0.32 1.66 96.06 Average: 0 1.19 0.00 0.58 0.16 1.70 96.38 Average: 1 1.22 0.00 0.71 0.29 1.64 96.15 Average: 2 1.52 0.00 0.70 0.57 1.54 95.66 Average: 3 1.27 0.00 0.66 0.25 1.77 96.05