---> uname -a: Linux a85d24606b6f 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-426 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-426@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 677 137 0 1022 1054 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) 07/30/20 _x86_64_ (4 CPU) 22:13:52 LINUX RESTART 22:15:03 tps rtps wtps bread/s bwrtn/s 22:16:01 2.33 0.00 2.33 0.00 51.90 22:17:01 0.32 0.00 0.32 0.00 5.13 22:18:01 0.20 0.00 0.20 0.00 2.03 22:19:01 0.27 0.00 0.27 0.00 3.46 22:20:01 0.37 0.00 0.37 0.00 5.95 22:21:01 0.30 0.02 0.28 0.13 3.55 22:22:01 42.61 42.15 0.47 4112.17 9.26 Average: 6.65 6.05 0.60 590.35 11.42 22:15:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:16:01 209908 1671648 88.84 2620 1081624 1079824 36.85 435848 1078688 20 22:17:01 207396 1674160 88.98 2620 1081628 1079956 36.86 439064 1077988 12 22:18:01 205724 1675832 89.07 2620 1081636 1079980 36.86 441240 1077988 8 22:19:01 203480 1678076 89.19 2620 1081636 1080020 36.86 445228 1075800 8 22:20:01 203748 1677808 89.17 2620 1081640 1079960 36.86 444868 1075800 8 22:21:01 204208 1677348 89.15 2620 1081656 1079888 36.85 444764 1075800 8 22:22:01 102884 1778672 94.53 2620 1177176 1079108 36.83 435844 1180828 28 Average: 191050 1690506 89.85 2620 1095285 1079819 36.85 440979 1091842 13 22:15:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:16:01 eth0 0.62 0.12 0.06 0.03 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 1.67 0.38 0.38 0.21 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 eth0 1.53 0.70 0.61 0.40 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 eth0 0.72 0.42 0.44 0.21 0.00 0.00 0.00 22:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 eth0 0.30 0.25 0.14 0.08 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 eth0 9.64 6.51 8.29 11.48 0.00 0.00 0.00 22:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.09 1.21 1.42 1.78 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) 07/30/20 _x86_64_ (4 CPU) 22:13:52 LINUX RESTART 22:15:03 CPU %user %nice %system %iowait %steal %idle 22:16:01 all 0.17 0.00 0.05 0.00 0.00 99.78 22:16:01 0 0.05 0.00 0.03 0.00 0.00 99.91 22:16:01 1 0.12 0.00 0.05 0.00 0.00 99.83 22:16:01 2 0.05 0.00 0.03 0.00 0.00 99.91 22:16:01 3 0.47 0.00 0.05 0.00 0.00 99.48 22:17:01 all 0.13 0.00 0.04 0.00 0.00 99.83 22:17:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:17:01 1 0.03 0.00 0.05 0.00 0.00 99.92 22:17:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:17:01 3 0.42 0.00 0.07 0.00 0.00 99.52 22:18:01 all 0.03 0.00 0.04 0.00 0.00 99.94 22:18:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:18:01 1 0.05 0.00 0.07 0.00 0.00 99.88 22:18:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:18:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:19:01 all 0.10 0.00 0.03 0.00 0.00 99.86 22:19:01 0 0.08 0.00 0.03 0.00 0.00 99.88 22:19:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:19:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:19:01 3 0.27 0.00 0.07 0.00 0.00 99.67 22:20:01 all 0.15 0.00 0.03 0.00 0.00 99.82 22:20:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:20:01 1 0.28 0.00 0.03 0.00 0.00 99.68 22:20:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:20:01 3 0.27 0.00 0.05 0.00 0.00 99.68 22:21:01 all 0.11 0.00 0.03 0.00 0.00 99.86 22:21:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:21:01 1 0.42 0.00 0.03 0.00 0.00 99.55 22:21:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:21:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:22:01 all 1.03 0.00 0.33 1.01 0.00 97.62 22:22:01 0 0.67 0.00 0.27 0.97 0.00 98.10 22:22:01 1 1.07 0.00 0.25 0.50 0.00 98.18 22:22:01 2 0.45 0.00 0.25 0.08 0.00 99.22 22:22:01 3 1.93 0.00 0.57 2.50 0.00 95.00 Average: all 0.25 0.00 0.08 0.15 0.00 99.53 Average: 0 0.13 0.00 0.06 0.14 0.00 99.67 Average: 1 0.28 0.00 0.07 0.07 0.00 99.57 Average: 2 0.09 0.00 0.06 0.01 0.00 99.84 Average: 3 0.49 0.00 0.13 0.36 0.00 99.03