---> uname -a: Linux 2d06d6ad5b36 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-458 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-458@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 677 134 0 1025 1054 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) 08/31/20 _x86_64_ (4 CPU) 06:51:08 LINUX RESTART 06:52:01 tps rtps wtps bread/s bwrtn/s 06:53:01 27.71 10.54 17.17 4484.40 3497.39 06:54:01 1.38 0.00 1.38 0.00 20.74 06:55:01 0.27 0.00 0.27 0.00 3.63 06:56:01 0.25 0.00 0.25 0.00 2.57 06:57:01 0.33 0.00 0.33 0.00 4.28 06:58:01 0.33 0.02 0.32 0.13 5.23 Average: 5.05 1.76 3.29 747.53 589.05 06:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:53:01 229920 1651636 87.78 2620 1058576 1097828 37.47 448204 1043360 20 06:54:01 234616 1646940 87.53 2620 1058580 1067368 36.43 450144 1037788 8 06:55:01 233740 1647816 87.58 2620 1058588 1067640 36.44 451356 1037788 12 06:56:01 230404 1651152 87.75 2620 1058588 1067652 36.44 455128 1037132 12 06:57:01 228572 1652984 87.85 2620 1058596 1067544 36.43 469124 1025424 20 06:58:01 228948 1652608 87.83 2620 1058604 1067448 36.43 468640 1025420 20 Average: 231033 1650523 87.72 2620 1058589 1072580 36.61 457099 1034485 15 06:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:53:01 eth0 254.70 207.34 655.70 351.83 0.00 0.00 0.00 06:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 docker0 106.00 94.75 8.77 302.48 0.00 0.00 0.00 06:54:01 eth0 0.80 0.08 0.07 0.01 0.00 0.00 0.00 06:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 eth0 1.13 0.50 0.33 0.47 0.00 0.00 0.00 06:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 eth0 0.37 0.33 0.26 0.20 0.00 0.00 0.00 06:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 06:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 06:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 42.89 34.75 109.42 58.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.67 15.79 1.46 50.42 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) 08/31/20 _x86_64_ (4 CPU) 06:51:08 LINUX RESTART 06:52:01 CPU %user %nice %system %iowait %steal %idle 06:53:01 all 3.96 0.00 1.64 0.62 0.01 93.77 06:53:01 0 3.87 0.00 2.09 1.09 0.00 92.95 06:53:01 1 3.11 0.00 1.27 0.18 0.00 95.44 06:53:01 2 5.79 0.00 1.67 0.33 0.02 92.18 06:53:01 3 3.06 0.00 1.49 0.87 0.02 94.56 06:54:01 all 0.04 0.00 0.02 0.00 0.00 99.94 06:54:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:54:01 1 0.03 0.00 0.03 0.00 0.02 99.92 06:54:01 2 0.05 0.00 0.02 0.00 0.00 99.93 06:54:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:55:01 all 0.08 0.00 0.03 0.00 0.00 99.90 06:55:01 0 0.10 0.00 0.02 0.00 0.00 99.88 06:55:01 1 0.07 0.00 0.03 0.00 0.00 99.90 06:55:01 2 0.10 0.00 0.02 0.00 0.00 99.88 06:55:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:56:01 all 0.02 0.00 0.03 0.00 0.00 99.95 06:56:01 0 0.00 0.00 0.02 0.00 0.00 99.98 06:56:01 1 0.03 0.00 0.05 0.00 0.00 99.92 06:56:01 2 0.03 0.00 0.02 0.00 0.00 99.95 06:56:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:57:01 all 0.05 0.00 0.04 0.00 0.00 99.91 06:57:01 0 0.02 0.00 0.03 0.00 0.00 99.95 06:57:01 1 0.10 0.00 0.05 0.00 0.00 99.85 06:57:01 2 0.05 0.00 0.05 0.00 0.00 99.90 06:57:01 3 0.02 0.00 0.03 0.00 0.00 99.95 06:58:01 all 0.15 0.00 0.02 0.00 0.00 99.83 06:58:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:58:01 1 0.52 0.00 0.03 0.00 0.00 99.45 06:58:01 2 0.03 0.00 0.02 0.00 0.00 99.95 06:58:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.71 0.00 0.29 0.10 0.00 98.89 Average: 0 0.67 0.00 0.36 0.18 0.00 98.79 Average: 1 0.64 0.00 0.24 0.03 0.00 99.08 Average: 2 1.01 0.00 0.30 0.06 0.00 98.64 Average: 3 0.54 0.00 0.27 0.14 0.00 99.05