---> uname -a: Linux 93985b1bbc4a 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: 2933.396 BogoMIPS: 5866.79 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-386 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-386@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 119 0 1049 1064 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) 06/25/20 _x86_64_ (4 CPU) 17:46:34 LINUX RESTART 17:47:01 tps rtps wtps bread/s bwrtn/s 17:48:01 67.62 17.45 50.17 5180.76 6818.15 17:49:01 1.50 0.00 1.50 0.00 31.14 17:50:01 0.25 0.00 0.25 0.00 4.01 17:51:01 0.42 0.00 0.42 0.00 6.55 17:52:01 0.28 0.00 0.28 0.00 4.68 17:53:01 0.45 0.00 0.45 0.00 7.69 Average: 11.76 2.91 8.85 863.82 1145.84 17:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:48:01 181172 1700384 90.37 2620 1121160 1120892 38.25 449728 1090976 8 17:49:01 187040 1694516 90.06 2620 1121164 1077820 36.78 447832 1087624 8 17:50:01 184064 1697492 90.22 2620 1121172 1078128 36.79 451292 1087628 12 17:51:01 182280 1699276 90.31 2620 1121172 1078164 36.80 453276 1087128 8 17:52:01 183908 1697648 90.23 2620 1121176 1077888 36.79 470516 1068284 8 17:53:01 181232 1700324 90.37 2620 1121188 1077960 36.79 476140 1065680 8 Average: 183283 1698273 90.26 2620 1121172 1085142 37.03 458131 1081220 9 17:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:48:01 eth0 724.37 502.73 1622.62 414.29 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 109.76 100.32 9.32 305.83 0.00 0.00 0.00 17:49:01 eth0 0.87 0.10 0.08 0.02 0.00 0.00 0.00 17:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 eth0 1.17 0.52 0.40 0.18 0.00 0.00 0.00 17:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 0.48 0.28 0.27 0.20 0.00 0.00 0.00 17:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 17:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 eth0 0.28 0.23 0.14 0.07 0.00 0.00 0.00 17:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 121.26 84.03 270.70 69.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.30 16.73 1.55 50.99 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) 06/25/20 _x86_64_ (4 CPU) 17:46:34 LINUX RESTART 17:47:01 CPU %user %nice %system %iowait %steal %idle 17:48:01 all 13.68 0.00 3.21 2.39 0.03 80.69 17:48:01 0 12.29 0.00 4.23 0.20 0.02 83.26 17:48:01 1 13.30 0.00 2.96 6.68 0.03 77.03 17:48:01 2 14.58 0.00 2.49 1.31 0.03 81.59 17:48:01 3 14.56 0.00 3.16 1.41 0.03 80.83 17:49:01 all 0.15 0.00 0.04 0.00 0.00 99.82 17:49:01 0 0.43 0.00 0.03 0.00 0.00 99.53 17:49:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:49:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:49:01 3 0.02 0.00 0.03 0.00 0.00 99.95 17:50:01 all 0.17 0.00 0.03 0.00 0.00 99.80 17:50:01 0 0.53 0.00 0.02 0.00 0.00 99.45 17:50:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:50:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:50:01 3 0.05 0.00 0.02 0.00 0.00 99.93 17:51:01 all 0.13 0.00 0.03 0.00 0.00 99.85 17:51:01 0 0.45 0.00 0.03 0.00 0.00 99.52 17:51:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:52:01 all 0.15 0.00 0.04 0.00 0.00 99.82 17:52:01 0 0.47 0.00 0.07 0.00 0.00 99.47 17:52:01 1 0.05 0.00 0.02 0.00 0.00 99.93 17:52:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:52:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:53:01 all 0.15 0.00 0.02 0.00 0.00 99.82 17:53:01 0 0.13 0.00 0.02 0.00 0.00 99.85 17:53:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:53:01 2 0.42 0.00 0.02 0.00 0.00 99.57 17:53:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 2.39 0.00 0.56 0.40 0.00 96.65 Average: 0 2.37 0.00 0.73 0.03 0.00 96.86 Average: 1 2.25 0.00 0.52 1.11 0.01 96.12 Average: 2 2.52 0.00 0.44 0.22 0.01 96.82 Average: 3 2.44 0.00 0.55 0.23 0.01 96.77