---> uname -a: Linux fa14b8124f1f 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-449 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 127 0 1037 1059 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) 08/19/20 _x86_64_ (4 CPU) 03:44:49 LINUX RESTART 03:46:01 tps rtps wtps bread/s bwrtn/s 03:47:01 2.38 0.00 2.38 0.00 48.95 03:48:01 0.42 0.00 0.42 0.00 6.10 03:49:01 0.22 0.00 0.22 0.00 2.33 03:50:01 0.28 0.00 0.28 0.00 3.90 03:51:01 0.32 0.00 0.32 0.00 4.70 03:52:01 115.73 85.45 30.28 5771.13 15198.40 Average: 19.90 14.25 5.65 962.31 2545.26 03:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:47:01 229920 1651636 87.78 2620 1091760 1077680 36.78 426164 1067832 16 03:48:01 225780 1655776 88.00 2620 1091764 1077764 36.78 431032 1067348 8 03:49:01 220884 1660672 88.26 2620 1091772 1077908 36.79 436088 1067352 8 03:50:01 220876 1660680 88.26 2620 1091772 1077744 36.78 442920 1060616 12 03:51:01 217536 1664020 88.44 2620 1091776 1077828 36.78 452856 1053672 8 03:52:01 74716 1806840 96.03 2620 1101712 1519608 51.86 559552 1051348 104792 Average: 198285 1683271 89.46 2620 1093426 1151422 39.30 458102 1061361 17474 03:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:47:01 eth0 0.43 0.18 0.02 0.06 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 3.01 1.22 2.09 0.08 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 0.90 0.67 0.54 0.39 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 0.10 0.08 0.01 0.01 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 0.30 0.22 0.14 0.07 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 90.98 65.79 2328.95 18.68 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 Average: eth0 15.96 11.36 388.81 3.22 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) 08/19/20 _x86_64_ (4 CPU) 03:44:49 LINUX RESTART 03:46:01 CPU %user %nice %system %iowait %steal %idle 03:47:01 all 0.17 0.00 0.03 0.00 0.00 99.80 03:47:01 0 0.53 0.00 0.03 0.00 0.00 99.43 03:47:01 1 0.08 0.00 0.03 0.00 0.00 99.88 03:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:48:01 all 0.17 0.00 0.02 0.00 0.00 99.81 03:48:01 0 0.53 0.00 0.05 0.00 0.00 99.42 03:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:48:01 2 0.07 0.00 0.03 0.00 0.00 99.90 03:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:49:01 all 0.17 0.00 0.02 0.00 0.00 99.80 03:49:01 0 0.53 0.00 0.02 0.00 0.00 99.45 03:49:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:49:01 2 0.08 0.00 0.07 0.00 0.00 99.85 03:49:01 3 0.02 0.00 0.02 0.00 0.02 99.95 03:50:01 all 0.14 0.00 0.04 0.00 0.00 99.82 03:50:01 0 0.47 0.00 0.05 0.00 0.00 99.48 03:50:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:50:01 2 0.05 0.00 0.05 0.00 0.00 99.90 03:50:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:51:01 all 0.05 0.00 0.07 0.00 0.00 99.88 03:51:01 0 0.10 0.00 0.03 0.00 0.00 99.87 03:51:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:51:01 2 0.07 0.00 0.15 0.00 0.00 99.78 03:51:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:52:01 all 4.53 0.00 2.24 1.51 0.01 91.72 03:52:01 0 4.89 0.00 1.85 0.52 0.00 92.74 03:52:01 1 3.98 0.00 2.41 1.32 0.00 92.28 03:52:01 2 4.03 0.00 2.16 0.84 0.02 92.96 03:52:01 3 5.20 0.00 2.54 3.34 0.02 88.90 Average: all 0.87 0.00 0.40 0.25 0.00 98.48 Average: 0 1.17 0.00 0.34 0.09 0.00 98.41 Average: 1 0.69 0.00 0.42 0.22 0.00 98.67 Average: 2 0.72 0.00 0.41 0.14 0.00 98.72 Average: 3 0.88 0.00 0.44 0.56 0.01 98.12