---> uname -a: Linux fff9168950a7 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-449 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 673 134 0 1029 1057 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) 08/20/20 _x86_64_ (4 CPU) 03:45:11 LINUX RESTART 03:47:01 tps rtps wtps bread/s bwrtn/s 03:48:01 3.63 0.00 3.63 0.00 113.86 03:49:01 0.40 0.00 0.40 0.00 5.66 03:50:01 0.23 0.00 0.23 0.00 3.12 03:51:01 0.27 0.00 0.27 0.00 3.41 03:52:01 0.37 0.00 0.37 0.00 5.96 03:53:01 0.22 0.02 0.20 0.13 2.17 Average: 0.85 0.00 0.85 0.02 22.37 03:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:48:01 201700 1679856 89.28 2620 1108208 1071680 36.57 431900 1088640 20 03:49:01 200320 1681236 89.35 2620 1108212 1069624 36.50 434080 1087880 12 03:50:01 197456 1684100 89.51 2620 1108220 1069780 36.51 437256 1087880 8 03:51:01 196444 1685112 89.56 2620 1108272 1069828 36.51 441240 1085204 24 03:52:01 196444 1685112 89.56 2620 1108228 1069768 36.51 447296 1078948 16 03:53:01 196552 1685004 89.55 2620 1108236 1069624 36.50 463512 1062792 8 Average: 198153 1683403 89.47 2620 1108229 1070051 36.52 442547 1081891 15 03:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:48:01 eth0 0.10 0.10 0.01 0.01 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 0.65 0.03 0.06 0.00 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 1.15 0.72 0.66 0.19 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 0.68 0.40 0.29 0.24 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 03:52:01 eth0 0.18 0.15 0.08 0.04 0.00 0.00 0.00 03:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 eth0 0.10 0.08 0.01 0.03 0.00 0.00 0.00 03:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.48 0.25 0.18 0.09 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) 08/20/20 _x86_64_ (4 CPU) 03:45:11 LINUX RESTART 03:47:01 CPU %user %nice %system %iowait %steal %idle 03:48:01 all 0.15 0.00 0.04 0.00 0.00 99.82 03:48:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:48:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:48:01 2 0.45 0.00 0.03 0.00 0.00 99.52 03:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:49:01 all 0.15 0.00 0.02 0.00 0.00 99.83 03:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:49:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:49:01 2 0.53 0.00 0.02 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 0.15 0.00 0.03 0.00 0.00 99.82 03:50:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:50:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:50:01 2 0.52 0.00 0.03 0.00 0.00 99.45 03:50:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:51:01 all 0.16 0.00 0.03 0.00 0.00 99.81 03:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:51:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:51:01 2 0.53 0.00 0.02 0.00 0.00 99.45 03:51:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:52:01 all 0.15 0.00 0.02 0.00 0.00 99.83 03:52:01 0 0.02 0.00 0.00 0.00 0.00 99.98 03:52:01 1 0.03 0.00 0.07 0.00 0.02 99.88 03:52:01 2 0.50 0.00 0.02 0.00 0.00 99.48 03:52:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:53:01 all 0.14 0.00 0.04 0.00 0.00 99.82 03:53:01 0 0.00 0.00 0.02 0.00 0.00 99.98 03:53:01 1 0.03 0.00 0.07 0.02 0.00 99.88 03:53:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:53:01 3 0.02 0.00 0.03 0.00 0.02 99.93 Average: all 0.15 0.00 0.03 0.00 0.00 99.82 Average: 0 0.02 0.00 0.02 0.00 0.00 99.96 Average: 1 0.03 0.00 0.04 0.00 0.00 99.92 Average: 2 0.51 0.00 0.02 0.00 0.00 99.47 Average: 3 0.03 0.00 0.03 0.00 0.00 99.93