---> uname -a: Linux b7aaa723d2b2 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-426 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-426@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 682 127 0 1027 1049 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) 07/30/20 _x86_64_ (4 CPU) 20:42:42 LINUX RESTART 20:43:01 tps rtps wtps bread/s bwrtn/s 20:44:01 150.50 57.56 92.94 7970.47 41966.96 20:45:01 2.98 0.02 2.97 0.53 99.73 20:46:01 0.42 0.00 0.42 0.00 5.31 20:47:01 0.25 0.00 0.25 0.00 3.50 20:48:01 0.17 0.00 0.17 0.00 1.75 20:49:01 0.35 0.00 0.35 0.00 5.01 Average: 25.79 9.60 16.19 1329.16 7017.20 20:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:44:01 190132 1691424 89.89 2620 1088000 1127304 38.47 475392 1057556 120 20:45:01 195652 1685904 89.60 2620 1088092 1087712 37.12 474288 1054488 36 20:46:01 195588 1685968 89.60 2620 1088040 1078652 36.81 474852 1053888 20 20:47:01 195876 1685680 89.59 2620 1088040 1078616 36.81 474748 1053888 12 20:48:01 194764 1686792 89.65 2620 1088048 1078472 36.81 486112 1043532 8 20:49:01 194352 1687204 89.67 2620 1088056 1078544 36.81 486496 1043532 12 Average: 194394 1687162 89.67 2620 1088046 1088217 37.14 478648 1051147 35 20:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:44:01 eth0 803.91 543.16 1668.99 417.55 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 122.15 115.51 9.99 305.39 0.00 0.00 0.00 20:45:01 eth0 1.58 0.42 0.94 0.03 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 eth0 1.67 1.28 0.36 2.59 0.00 0.00 0.00 20:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 eth0 0.53 0.35 0.28 0.20 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 eth0 0.27 0.18 0.14 0.07 0.00 0.00 0.00 20:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 134.74 90.96 278.59 70.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.37 19.26 1.67 50.92 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) 07/30/20 _x86_64_ (4 CPU) 20:42:42 LINUX RESTART 20:43:01 CPU %user %nice %system %iowait %steal %idle 20:44:01 all 17.63 0.00 8.18 9.95 0.03 64.21 20:44:01 0 14.58 0.00 9.61 8.54 0.02 67.26 20:44:01 1 16.99 0.00 7.45 8.68 0.03 66.85 20:44:01 2 20.50 0.00 7.65 13.26 0.03 58.55 20:44:01 3 18.48 0.00 8.00 9.26 0.03 64.23 20:45:01 all 0.04 0.00 0.05 0.00 0.00 99.91 20:45:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 20:45:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 20:46:01 all 0.07 0.00 0.04 0.00 0.00 99.90 20:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:46:01 1 0.13 0.00 0.03 0.00 0.00 99.83 20:46:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:46:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:47:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:47:01 1 0.50 0.00 0.02 0.00 0.00 99.48 20:47:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:47:01 3 0.03 0.00 0.05 0.00 0.00 99.92 20:48:01 all 0.14 0.00 0.04 0.00 0.00 99.82 20:48:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:48:01 1 0.48 0.00 0.03 0.00 0.00 99.48 20:48:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:48:01 3 0.03 0.00 0.05 0.00 0.00 99.92 20:49:01 all 0.15 0.00 0.04 0.00 0.00 99.81 20:49:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:49:01 1 0.52 0.00 0.02 0.00 0.00 99.47 20:49:01 2 0.02 0.00 0.07 0.00 0.00 99.92 20:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 3.01 0.00 1.38 1.64 0.01 93.96 Average: 0 2.43 0.00 1.61 1.41 0.00 94.56 Average: 1 3.09 0.00 1.25 1.43 0.01 94.22 Average: 2 3.44 0.00 1.32 2.20 0.01 93.04 Average: 3 3.07 0.00 1.35 1.53 0.01 94.05