---> uname -a: Linux 4c5f7b9a0554 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: 2933.436 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-420 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-420@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 682 130 0 1024 1049 Swap: 1023 0 1023 ---> 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) 07/28/20 _x86_64_ (4 CPU) 23:36:27 LINUX RESTART 23:37:01 tps rtps wtps bread/s bwrtn/s 23:38:01 63.25 16.70 46.55 5165.86 6544.29 23:39:01 1.47 0.00 1.47 0.00 26.03 23:40:01 0.27 0.00 0.27 0.00 3.90 23:41:01 0.25 0.00 0.25 0.00 2.56 23:42:01 0.15 0.00 0.15 0.00 2.08 23:43:01 0.38 0.00 0.38 0.00 4.90 Average: 10.97 2.79 8.18 861.77 1098.29 23:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:38:01 200304 1681252 89.35 2620 1084016 1120556 38.24 463004 1059664 120 23:39:01 205220 1676336 89.09 2620 1083980 1082876 36.96 462344 1056072 20 23:40:01 203868 1677688 89.16 2620 1083988 1083188 36.97 463916 1056068 16 23:41:01 204364 1677192 89.14 2620 1083988 1082876 36.96 464200 1055452 20 23:42:01 204396 1677160 89.14 2620 1083996 1082876 36.96 475516 1044144 8 23:43:01 203904 1677652 89.16 2620 1084000 1082960 36.96 475884 1044108 8 Average: 203676 1677880 89.18 2620 1083995 1089222 37.17 467477 1052585 32 23:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:38:01 eth0 677.89 451.94 1630.54 412.35 0.00 0.00 0.00 23:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:38:01 docker0 111.84 110.83 9.50 303.25 0.00 0.00 0.00 23:39:01 eth0 1.42 0.17 0.12 0.04 0.00 0.00 0.00 23:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 eth0 5.26 2.48 4.19 0.49 0.00 0.00 0.00 23:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 23:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 eth0 0.55 0.08 0.05 0.01 0.00 0.00 0.00 23:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 eth0 0.25 0.17 0.08 0.07 0.00 0.00 0.00 23:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 114.35 75.89 272.75 68.89 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.66 18.49 1.59 50.59 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) 07/28/20 _x86_64_ (4 CPU) 23:36:27 LINUX RESTART 23:37:01 CPU %user %nice %system %iowait %steal %idle 23:38:01 all 13.19 0.00 3.90 1.98 0.09 80.84 23:38:01 0 11.61 0.00 5.00 0.64 0.08 82.67 23:38:01 1 15.22 0.00 3.19 0.54 0.10 80.96 23:38:01 2 12.67 0.00 2.99 2.69 0.07 81.58 23:38:01 3 13.27 0.00 4.39 4.07 0.13 78.14 23:39:01 all 0.15 0.00 0.05 0.00 0.00 99.80 23:39:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:39:01 1 0.28 0.00 0.07 0.00 0.02 99.63 23:39:01 2 0.27 0.00 0.07 0.00 0.00 99.67 23:39:01 3 0.02 0.00 0.03 0.00 0.02 99.93 23:40:01 all 0.19 0.00 0.04 0.00 0.00 99.77 23:40:01 0 0.08 0.00 0.05 0.00 0.00 99.87 23:40:01 1 0.33 0.00 0.05 0.00 0.00 99.62 23:40:01 2 0.07 0.00 0.07 0.00 0.02 99.85 23:40:01 3 0.28 0.00 0.03 0.00 0.00 99.68 23:41:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:41:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:41:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:41:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:41:01 3 0.52 0.00 0.02 0.00 0.00 99.47 23:42:01 all 0.16 0.00 0.05 0.00 0.00 99.79 23:42:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:42:01 1 0.20 0.00 0.02 0.00 0.00 99.78 23:42:01 2 0.03 0.00 0.08 0.00 0.00 99.88 23:42:01 3 0.35 0.00 0.03 0.00 0.00 99.62 23:43:01 all 0.15 0.00 0.05 0.00 0.00 99.79 23:43:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:43:01 1 0.55 0.00 0.03 0.00 0.00 99.42 23:43:01 2 0.05 0.00 0.15 0.00 0.00 99.80 23:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.32 0.00 0.68 0.33 0.02 96.66 Average: 0 1.95 0.00 0.85 0.11 0.01 97.08 Average: 1 2.76 0.00 0.56 0.09 0.02 96.58 Average: 2 2.17 0.00 0.56 0.45 0.01 96.80 Average: 3 2.39 0.00 0.75 0.67 0.03 96.16