---> uname -a: Linux 1b75ea762e2a 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 7.9G 42.1G 16% / 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 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 695 130 0 1011 1042 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 8: eth0@if9: 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) 08/05/20 _x86_64_ (4 CPU) 17:50:01 LINUX RESTART 17:51:01 tps rtps wtps bread/s bwrtn/s 17:52:01 35.69 11.60 24.08 4534.62 3282.19 17:53:01 0.65 0.00 0.65 0.00 14.60 17:54:01 0.25 0.00 0.25 0.00 3.01 17:55:02 0.32 0.00 0.32 0.00 3.51 17:56:01 0.20 0.00 0.20 0.00 2.74 17:57:01 0.20 0.00 0.20 0.00 2.71 17:58:01 323.24 210.93 112.31 11275.08 35330.47 Average: 51.71 31.92 19.79 2266.60 5541.82 17:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:52:01 181620 1699936 90.35 2620 1103696 1137916 38.84 467420 1072636 8 17:53:01 192560 1688996 89.77 2620 1103700 1071428 36.57 462396 1068532 12 17:54:01 193036 1688520 89.74 2620 1103708 1071428 36.57 462316 1068532 8 17:55:02 190568 1690988 89.87 2620 1103708 1071536 36.57 472388 1060740 8 17:56:01 190136 1691420 89.89 2620 1103712 1071596 36.57 473020 1060708 16 17:57:01 191056 1690500 89.85 2620 1103724 1071464 36.57 500020 1033132 16 17:58:01 189188 1692368 89.95 2596 1061996 1074168 36.66 538396 960504 100 Average: 189738 1691818 89.92 2617 1097749 1081362 36.90 482279 1046398 24 17:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:52:01 eth0 228.28 209.22 764.28 360.94 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 109.97 90.53 8.91 301.58 0.00 0.00 0.00 17:53:01 eth0 0.08 0.08 0.01 0.01 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 17:54:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 17:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:02 eth0 1.58 0.32 0.37 0.20 0.00 0.00 0.00 17:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 eth0 0.59 0.32 0.35 0.27 0.00 0.00 0.00 17:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 eth0 0.23 0.20 0.10 0.02 0.00 0.00 0.00 17:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 eth0 162.29 121.28 4183.12 21.40 0.00 0.00 0.00 17:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 docker0 46.83 43.85 4.41 411.15 0.00 0.00 0.00 Average: eth0 56.34 47.49 709.60 54.81 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.46 19.25 1.91 102.15 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) 08/05/20 _x86_64_ (4 CPU) 17:50:01 LINUX RESTART 17:51:01 CPU %user %nice %system %iowait %steal %idle 17:52:01 all 4.42 0.00 2.35 0.81 7.82 84.60 17:52:01 0 4.84 0.00 3.22 0.43 9.01 82.49 17:52:01 1 4.88 0.00 1.81 2.39 6.96 83.96 17:52:01 2 4.35 0.00 2.44 0.35 7.61 85.25 17:52:01 3 3.59 0.00 1.96 0.10 7.68 86.67 17:53:01 all 0.10 0.00 0.04 0.00 0.20 99.65 17:53:01 0 0.32 0.00 0.03 0.00 0.23 99.42 17:53:01 1 0.02 0.00 0.03 0.00 0.20 99.75 17:53:01 2 0.07 0.00 0.08 0.00 0.30 99.55 17:53:01 3 0.00 0.00 0.02 0.00 0.10 99.88 17:54:01 all 0.11 0.00 0.02 0.00 0.23 99.63 17:54:01 0 0.32 0.00 0.02 0.00 0.25 99.42 17:54:01 1 0.07 0.00 0.05 0.00 0.25 99.63 17:54:01 2 0.05 0.00 0.02 0.00 0.25 99.68 17:54:01 3 0.03 0.00 0.02 0.00 0.17 99.78 17:55:02 all 0.09 0.00 0.04 0.00 0.28 99.58 17:55:02 0 0.30 0.00 0.03 0.00 0.50 99.17 17:55:02 1 0.02 0.00 0.03 0.00 0.33 99.62 17:55:02 2 0.03 0.00 0.05 0.00 0.23 99.68 17:55:02 3 0.02 0.00 0.05 0.00 0.07 99.87 17:56:01 all 0.11 0.00 0.04 0.00 0.25 99.60 17:56:01 0 0.34 0.00 0.03 0.00 0.27 99.36 17:56:01 1 0.05 0.00 0.05 0.00 0.54 99.36 17:56:01 2 0.00 0.00 0.03 0.00 0.05 99.92 17:56:01 3 0.03 0.00 0.05 0.00 0.15 99.76 17:57:01 all 0.12 0.00 0.10 0.00 0.12 99.66 17:57:01 0 0.37 0.00 0.05 0.00 0.07 99.52 17:57:01 1 0.05 0.00 0.07 0.00 0.22 99.67 17:57:01 2 0.03 0.00 0.03 0.00 0.08 99.85 17:57:01 3 0.00 0.00 0.23 0.00 0.15 99.62 17:58:01 all 7.12 0.00 4.62 3.67 13.37 71.21 17:58:01 0 6.51 0.00 4.88 4.15 14.33 70.12 17:58:01 1 7.02 0.00 4.31 2.92 13.36 72.39 17:58:01 2 7.22 0.00 4.91 2.87 13.37 71.62 17:58:01 3 7.77 0.00 4.37 4.74 12.40 70.72 Average: all 1.72 0.00 1.03 0.63 3.17 93.45 Average: 0 1.85 0.00 1.18 0.65 3.51 92.82 Average: 1 1.73 0.00 0.91 0.76 3.12 93.48 Average: 2 1.66 0.00 1.07 0.45 3.10 93.71 Average: 3 1.63 0.00 0.95 0.68 2.95 93.79