---> uname -a: Linux 9966e508a8e5 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: 2933.442 BogoMIPS: 5866.88 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-392 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-392@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 124 0 1040 1060 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) 06/23/20 _x86_64_ (4 CPU) 18:18:47 LINUX RESTART 18:20:02 tps rtps wtps bread/s bwrtn/s 18:21:01 2.52 0.00 2.52 0.00 57.15 18:22:01 0.45 0.00 0.45 0.00 6.74 18:23:01 0.58 0.00 0.58 0.00 7.26 18:24:01 0.23 0.00 0.23 0.00 3.31 18:25:01 0.28 0.00 0.28 0.00 3.90 18:26:01 0.32 0.02 0.30 0.13 3.13 18:27:01 42.11 41.60 0.52 4068.61 10.56 Average: 6.65 5.96 0.69 582.68 13.05 18:20:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:21:01 233768 1647788 87.58 2620 1072972 1088516 37.15 432580 1057132 20 18:22:01 230016 1651540 87.78 2620 1072976 1080536 36.88 437484 1056288 8 18:23:01 229948 1651608 87.78 2620 1072984 1080572 36.88 437608 1056292 8 18:24:01 227916 1653640 87.89 2620 1072984 1080668 36.88 443836 1052160 16 18:25:01 228212 1653344 87.87 2620 1072988 1080708 36.88 448728 1047044 12 18:26:01 228292 1653264 87.87 2620 1073000 1080552 36.88 462492 1033468 8 18:27:01 75576 1805980 95.98 2620 1188488 1116676 38.11 490696 1151216 100 Average: 207675 1673881 88.96 2620 1089485 1086890 37.09 450489 1064800 25 18:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:21:01 eth0 2.49 0.08 0.24 0.02 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 3.16 0.80 0.95 0.59 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 3.26 0.83 0.99 0.56 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 1.45 0.80 0.80 0.59 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.35 0.22 0.15 0.11 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.18 0.10 0.01 0.01 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 eth0 10.07 6.14 9.79 3.70 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.00 1.29 1.85 0.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 06/23/20 _x86_64_ (4 CPU) 18:18:47 LINUX RESTART 18:20:02 CPU %user %nice %system %iowait %steal %idle 18:21:01 all 0.10 0.00 0.05 0.00 0.00 99.85 18:21:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:21:01 1 0.08 0.00 0.07 0.00 0.02 99.83 18:21:01 2 0.29 0.00 0.07 0.00 0.02 99.63 18:21:01 3 0.02 0.00 0.03 0.00 0.00 99.95 18:22:01 all 0.18 0.00 0.04 0.00 0.00 99.78 18:22:01 0 0.10 0.00 0.03 0.00 0.00 99.87 18:22:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:22:01 2 0.45 0.00 0.02 0.00 0.00 99.53 18:22:01 3 0.10 0.00 0.08 0.00 0.00 99.82 18:23:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:23:01 0 0.02 0.00 0.02 0.00 0.02 99.95 18:23:01 1 0.05 0.00 0.02 0.00 0.00 99.93 18:23:01 2 0.52 0.00 0.03 0.00 0.00 99.45 18:23:01 3 0.10 0.00 0.05 0.00 0.02 99.83 18:24:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:24:01 1 0.08 0.00 0.07 0.00 0.00 99.85 18:24:01 2 0.53 0.00 0.05 0.00 0.02 99.40 18:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:25:01 all 0.15 0.00 0.07 0.00 0.00 99.78 18:25:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:25:01 1 0.02 0.00 0.17 0.00 0.00 99.82 18:25:01 2 0.52 0.00 0.05 0.00 0.00 99.43 18:25:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:26:01 all 0.08 0.00 0.05 0.00 0.00 99.86 18:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:26:01 1 0.03 0.00 0.10 0.00 0.00 99.87 18:26:01 2 0.25 0.00 0.08 0.00 0.00 99.67 18:26:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:27:01 all 1.00 0.00 0.51 0.95 0.00 97.54 18:27:01 0 0.92 0.00 0.52 0.42 0.00 98.15 18:27:01 1 0.72 0.00 0.45 0.73 0.00 98.10 18:27:01 2 1.77 0.00 0.64 2.02 0.00 95.57 18:27:01 3 0.58 0.00 0.43 0.63 0.00 98.35 Average: all 0.26 0.00 0.11 0.14 0.00 99.48 Average: 0 0.16 0.00 0.10 0.06 0.00 99.68 Average: 1 0.15 0.00 0.13 0.10 0.00 99.62 Average: 2 0.62 0.00 0.13 0.29 0.00 98.95 Average: 3 0.13 0.00 0.10 0.09 0.00 99.68