---> uname -a: Linux 14ca88abc93b 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: 2933.396 BogoMIPS: 5866.79 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-407 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-407@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 680 123 0 1032 1051 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) 07/29/20 _x86_64_ (4 CPU) 03:44:03 LINUX RESTART 03:45:02 tps rtps wtps bread/s bwrtn/s 03:46:01 10.51 4.01 6.50 759.50 1333.22 03:47:01 1.58 0.00 1.58 0.00 27.84 03:48:01 0.30 0.00 0.30 0.00 4.21 03:49:01 0.35 0.00 0.35 0.00 4.53 03:50:01 0.25 0.00 0.25 0.00 5.25 03:51:01 0.35 0.02 0.33 0.13 4.30 Average: 2.20 0.66 1.54 124.88 226.88 03:45:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:46:01 222852 1658704 88.16 2620 1057604 1123180 38.33 452360 1048896 20 03:47:01 231400 1650156 87.70 2620 1057608 1075232 36.70 453540 1040376 12 03:48:01 230604 1650952 87.74 2620 1057616 1075400 36.70 454452 1040376 20 03:49:01 230252 1651304 87.76 2620 1057616 1075232 36.70 457688 1037372 20 03:50:01 226884 1654672 87.94 2620 1057624 1075376 36.70 468612 1029776 8 03:51:01 227692 1653864 87.90 2620 1057632 1075280 36.70 468100 1029772 12 Average: 228281 1653275 87.87 2620 1057617 1083283 36.97 459125 1037761 15 03:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:46:01 eth0 248.26 224.97 351.89 355.51 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 docker0 143.82 111.95 12.19 308.09 0.00 0.00 0.00 03:47:01 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 eth0 0.95 0.33 0.30 0.20 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 eth0 0.63 0.07 0.06 0.01 0.00 0.00 0.00 03:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 eth0 1.17 0.52 0.63 0.42 0.00 0.00 0.00 03:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 eth0 0.20 0.18 0.07 0.04 0.00 0.00 0.00 03:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 41.42 37.18 58.04 58.56 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 23.64 18.40 2.00 50.65 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) 07/29/20 _x86_64_ (4 CPU) 03:44:03 LINUX RESTART 03:45:02 CPU %user %nice %system %iowait %steal %idle 03:46:01 all 3.42 0.00 1.17 0.06 0.02 95.33 03:46:01 0 2.67 0.00 1.23 0.00 0.02 96.08 03:46:01 1 4.92 0.00 1.12 0.10 0.00 93.86 03:46:01 2 3.63 0.00 1.22 0.05 0.05 95.04 03:46:01 3 2.42 0.00 1.11 0.09 0.02 96.38 03:47:01 all 0.15 0.00 0.05 0.00 0.00 99.80 03:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:47:01 1 0.03 0.00 0.07 0.00 0.00 99.90 03:47:01 2 0.43 0.00 0.05 0.00 0.00 99.52 03:47:01 3 0.10 0.00 0.08 0.00 0.02 99.80 03:48:01 all 0.16 0.00 0.03 0.00 0.00 99.81 03:48:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:48:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:48:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:49:01 all 0.15 0.00 0.03 0.00 0.00 99.81 03:49:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:49:01 1 0.07 0.00 0.03 0.00 0.02 99.88 03:49:01 2 0.50 0.00 0.05 0.00 0.00 99.45 03:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:50:01 all 0.17 0.00 0.05 0.00 0.00 99.77 03:50:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:50:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:50:01 2 0.58 0.00 0.13 0.00 0.00 99.28 03:50:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:51:01 all 0.12 0.00 0.05 0.00 0.00 99.83 03:51:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:51:01 1 0.03 0.00 0.03 0.02 0.00 99.92 03:51:01 2 0.40 0.00 0.12 0.00 0.00 99.48 03:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.69 0.00 0.23 0.01 0.00 99.07 Average: 0 0.45 0.00 0.22 0.00 0.00 99.32 Average: 1 0.84 0.00 0.22 0.02 0.00 98.92 Average: 2 1.00 0.00 0.26 0.01 0.01 98.72 Average: 3 0.44 0.00 0.21 0.01 0.01 99.33