---> uname -a: Linux 50b08d2d4ff9 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: 2933.442 BogoMIPS: 5866.88 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-441 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-441@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 678 127 0 1031 1051 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) 08/10/20 _x86_64_ (4 CPU) 19:29:02 LINUX RESTART 19:30:01 tps rtps wtps bread/s bwrtn/s 19:31:01 20.30 4.88 15.42 1092.24 3210.59 19:32:01 0.83 0.00 0.83 0.00 15.35 19:33:01 0.25 0.00 0.25 0.00 3.01 19:34:01 0.22 0.00 0.22 0.00 2.43 19:35:01 0.25 0.00 0.25 0.00 3.30 19:36:01 52.86 41.84 11.02 4293.31 7363.69 Average: 12.45 7.79 4.67 897.74 1766.69 19:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:31:01 193132 1688424 89.74 2620 1093228 1114704 38.04 440516 1087288 20 19:32:01 199000 1682556 89.42 2620 1093232 1068860 36.48 439588 1082936 8 19:33:01 198396 1683160 89.46 2620 1093240 1069064 36.49 440728 1082940 12 19:34:01 195316 1686240 89.62 2620 1093240 1069112 36.49 446188 1080240 8 19:35:01 196392 1685164 89.56 2620 1093244 1068956 36.48 453272 1072160 8 19:36:01 142332 1739224 92.44 2620 1101304 1268616 43.30 484836 1088504 16776 Average: 187428 1694128 90.04 2620 1094581 1109885 37.88 450855 1082345 2805 19:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:31:01 eth0 213.55 182.55 347.46 340.41 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 101.12 81.82 8.32 301.79 0.00 0.00 0.00 19:32:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 0.97 0.42 0.32 0.21 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 0.35 0.28 0.26 0.20 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 eth0 0.62 0.13 0.13 0.07 0.00 0.00 0.00 19:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 eth0 88.23 62.80 2323.35 14.14 0.00 0.00 0.00 19:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.75 41.05 445.34 59.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.86 13.64 1.39 50.31 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) 08/10/20 _x86_64_ (4 CPU) 19:29:02 LINUX RESTART 19:30:01 CPU %user %nice %system %iowait %steal %idle 19:31:01 all 3.25 0.00 1.32 0.56 0.00 94.87 19:31:01 0 3.95 0.00 1.65 1.77 0.00 92.63 19:31:01 1 4.36 0.00 1.24 0.02 0.00 94.39 19:31:01 2 2.06 0.00 1.24 0.38 0.02 96.30 19:31:01 3 2.63 0.00 1.10 0.05 0.00 96.22 19:32:01 all 0.08 0.00 0.03 0.03 0.00 99.86 19:32:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:32:01 1 0.00 0.00 0.03 0.00 0.00 99.97 19:32:01 2 0.22 0.00 0.07 0.13 0.00 99.58 19:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:33:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:33:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:33:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:33:01 2 0.50 0.00 0.03 0.00 0.00 99.47 19:33:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:34:01 all 0.13 0.00 0.03 0.00 0.00 99.84 19:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:34:01 1 0.02 0.00 0.03 0.00 0.02 99.93 19:34:01 2 0.45 0.00 0.05 0.00 0.00 99.50 19:34:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:35:01 all 0.16 0.00 0.05 0.00 0.00 99.79 19:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:35:01 1 0.07 0.00 0.12 0.00 0.00 99.82 19:35:01 2 0.53 0.00 0.03 0.00 0.00 99.43 19:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:36:01 all 2.21 0.00 1.09 0.96 0.00 95.74 19:36:01 0 2.32 0.00 1.19 1.14 0.00 95.36 19:36:01 1 1.55 0.00 0.87 0.12 0.00 97.46 19:36:01 2 3.20 0.00 1.08 1.12 0.00 94.60 19:36:01 3 1.74 0.00 1.22 1.47 0.02 95.55 Average: all 0.99 0.00 0.42 0.26 0.00 98.32 Average: 0 1.06 0.00 0.49 0.48 0.00 97.97 Average: 1 1.01 0.00 0.39 0.02 0.00 98.58 Average: 2 1.16 0.00 0.42 0.27 0.00 98.15 Average: 3 0.75 0.00 0.40 0.25 0.00 98.60