---> uname -a: Linux 999a72b8f8f5 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_master@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_master ---> free -m: total used free shared buff/cache available Mem: 1837 669 131 0 1036 1062 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) 17:45:09 LINUX RESTART 17:46:01 tps rtps wtps bread/s bwrtn/s 17:47:01 57.39 14.05 43.34 5020.46 6483.82 17:48:01 1.70 0.00 1.70 0.00 30.79 17:49:01 0.20 0.00 0.20 0.00 2.75 17:50:02 0.27 0.00 0.27 0.00 3.49 17:51:01 0.24 0.00 0.24 0.00 2.69 17:52:01 0.73 0.00 0.73 0.00 9.46 Average: 10.12 2.35 7.77 839.75 1092.73 17:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:47:01 186164 1695392 90.11 2620 1099932 1130540 38.58 454136 1081124 8 17:48:01 193376 1688180 89.72 2620 1099936 1065080 36.35 453192 1076696 8 17:49:01 192380 1689176 89.78 2620 1099944 1065284 36.36 454304 1076696 8 17:50:02 189644 1691912 89.92 2620 1099944 1065332 36.36 463236 1069988 8 17:51:01 190460 1691096 89.88 2620 1099952 1065176 36.35 465580 1066928 16 17:52:01 191200 1690356 89.84 2620 1100008 1065116 36.35 465108 1066936 16 Average: 190537 1691019 89.87 2620 1099953 1076088 36.72 459259 1073061 11 17:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:47:01 eth0 338.83 295.74 1087.33 377.19 0.00 0.00 0.00 17:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 docker0 111.26 87.61 10.02 302.38 0.00 0.00 0.00 17:48:01 eth0 1.18 0.08 0.11 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 eth0 1.88 0.65 0.77 0.40 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 17:50:02 eth0 0.83 0.63 0.53 0.39 0.00 0.00 0.00 17:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 0.22 0.20 0.08 0.07 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 0.17 0.08 0.07 0.01 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 Average: eth0 57.39 49.74 182.13 63.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.61 14.65 1.68 50.58 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) 17:45:09 LINUX RESTART 17:46:01 CPU %user %nice %system %iowait %steal %idle 17:47:01 all 5.80 0.00 2.24 2.09 6.03 83.85 17:47:01 0 5.64 0.00 2.83 1.22 6.62 83.69 17:47:01 1 5.03 0.00 1.76 1.58 5.43 86.20 17:47:01 2 7.44 0.00 2.28 0.77 5.80 83.71 17:47:01 3 5.08 0.00 2.10 4.74 6.27 81.82 17:48:01 all 0.12 0.00 0.05 0.00 0.34 99.50 17:48:01 0 0.03 0.00 0.03 0.00 0.08 99.85 17:48:01 1 0.18 0.00 0.08 0.00 0.42 99.32 17:48:01 2 0.23 0.00 0.02 0.00 0.12 99.63 17:48:01 3 0.03 0.00 0.05 0.00 0.75 99.17 17:49:01 all 0.14 0.00 0.03 0.00 0.10 99.73 17:49:01 0 0.07 0.00 0.02 0.00 0.08 99.83 17:49:01 1 0.05 0.00 0.03 0.00 0.12 99.80 17:49:01 2 0.42 0.00 0.03 0.00 0.07 99.48 17:49:01 3 0.03 0.00 0.02 0.00 0.12 99.83 17:50:02 all 0.07 0.00 0.03 0.00 0.17 99.72 17:50:02 0 0.02 0.00 0.03 0.00 0.05 99.90 17:50:02 1 0.02 0.00 0.03 0.00 0.30 99.65 17:50:02 2 0.22 0.00 0.02 0.00 0.20 99.57 17:50:02 3 0.03 0.00 0.05 0.00 0.17 99.75 17:51:01 all 0.08 0.00 0.06 0.00 0.30 99.56 17:51:01 0 0.02 0.00 0.03 0.00 0.19 99.76 17:51:01 1 0.03 0.00 0.05 0.00 0.30 99.61 17:51:01 2 0.27 0.00 0.07 0.00 0.41 99.26 17:51:01 3 0.03 0.00 0.10 0.00 0.30 99.56 17:52:01 all 0.12 0.00 0.03 0.00 0.13 99.72 17:52:01 0 0.02 0.00 0.02 0.00 0.12 99.85 17:52:01 1 0.03 0.00 0.05 0.00 0.22 99.70 17:52:01 2 0.40 0.00 0.03 0.00 0.12 99.45 17:52:01 3 0.00 0.00 0.02 0.00 0.05 99.93 Average: all 1.06 0.00 0.41 0.35 1.18 97.01 Average: 0 0.96 0.00 0.49 0.20 1.19 97.15 Average: 1 0.89 0.00 0.34 0.26 1.13 97.37 Average: 2 1.50 0.00 0.41 0.13 1.12 96.85 Average: 3 0.87 0.00 0.39 0.80 1.28 96.65