---> uname -a: Linux f89011095440 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: 2933.396 BogoMIPS: 5866.79 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 770 119 0 947 999 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 06/26/20 _x86_64_ (4 CPU) 17:56:33 LINUX RESTART 17:57:01 tps rtps wtps bread/s bwrtn/s 17:58:01 83.04 31.03 52.01 7338.37 6878.06 17:59:01 2.10 0.00 2.10 0.00 44.54 18:00:01 0.48 0.00 0.48 0.00 8.81 18:01:01 0.37 0.02 0.35 0.13 4.91 18:02:01 0.45 0.12 0.33 2.13 6.73 18:03:01 18.65 4.28 14.37 383.61 10454.45 18:04:01 449.65 235.38 214.27 10786.81 54243.47 Average: 79.26 38.70 40.57 2645.10 10236.04 17:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:58:01 190384 1691172 89.88 2620 1095308 1134752 38.73 455780 1074540 120 17:59:01 196024 1685532 89.58 2620 1095340 1100144 37.55 454804 1071432 20 18:00:01 196756 1684800 89.54 2620 1095348 1082984 36.96 456860 1069284 16 18:01:01 194968 1686588 89.64 2620 1095348 1085076 37.03 458172 1069228 12 18:02:01 195980 1685576 89.58 2620 1095496 1083240 36.97 464000 1063164 12 18:03:01 69220 1812336 96.32 2620 1136856 1508892 51.50 580532 1059928 76368 18:04:01 98460 1783096 94.77 1500 1018440 1258920 42.96 627216 865320 14652 Average: 163113 1718443 91.33 2460 1090305 1179144 40.24 499623 1038985 13029 17:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:58:01 eth0 778.89 569.07 1659.67 420.25 0.00 0.00 0.00 17:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 docker0 104.41 81.09 9.32 302.08 0.00 0.00 0.00 17:59:01 eth0 1.32 0.47 0.33 0.44 0.00 0.00 0.00 17:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 eth0 1.33 0.68 0.58 0.37 0.00 0.00 0.00 18:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 18:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 eth0 123.85 85.06 3761.27 8.29 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 403.20 291.44 4021.28 90.39 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 veth06fa8ca 23.73 26.29 1.47 170.35 0.00 0.00 0.00 18:04:01 docker0 167.77 147.64 14.22 778.15 0.00 0.00 0.00 Average: eth0 187.02 135.31 1349.14 74.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth06fa8ca 3.39 3.76 0.21 24.34 0.00 0.00 0.00 Average: docker0 23.97 21.09 2.03 111.19 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) 06/26/20 _x86_64_ (4 CPU) 17:56:33 LINUX RESTART 17:57:01 CPU %user %nice %system %iowait %steal %idle 17:58:01 all 15.36 0.00 4.61 2.90 0.01 77.12 17:58:01 0 16.35 0.00 5.90 0.92 0.02 76.81 17:58:01 1 14.03 0.00 3.99 3.15 0.02 78.81 17:58:01 2 15.08 0.00 4.46 5.92 0.00 74.54 17:58:01 3 15.97 0.00 4.10 1.56 0.02 78.36 17:59:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:59:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:59:01 1 0.50 0.00 0.03 0.00 0.00 99.47 17:59:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:59:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:00:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:00:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:00:01 1 0.53 0.00 0.02 0.00 0.00 99.45 18:00:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:00:01 3 0.02 0.00 0.03 0.00 0.00 99.95 18:01:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:01:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:01:01 1 0.47 0.00 0.02 0.00 0.00 99.52 18:01:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:02:01 all 0.07 0.00 0.04 0.00 0.00 99.89 18:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:02:01 1 0.18 0.00 0.05 0.00 0.00 99.77 18:02:01 2 0.05 0.00 0.02 0.00 0.00 99.93 18:02:01 3 0.02 0.00 0.02 0.02 0.00 99.95 18:03:01 all 2.21 0.00 0.98 0.06 0.00 96.75 18:03:01 0 2.10 0.00 0.99 0.10 0.00 96.81 18:03:01 1 2.16 0.00 1.10 0.12 0.00 96.62 18:03:01 2 2.50 0.00 0.95 0.03 0.00 96.51 18:03:01 3 2.07 0.00 0.94 0.00 0.00 96.99 18:04:01 all 14.50 0.00 8.25 4.80 0.03 72.42 18:04:01 0 15.12 0.00 8.68 3.79 0.02 72.39 18:04:01 1 14.77 0.00 8.75 2.99 0.03 73.45 18:04:01 2 14.29 0.00 7.89 6.28 0.03 71.50 18:04:01 3 13.81 0.00 7.68 6.13 0.03 72.34 Average: all 4.62 0.00 1.98 1.10 0.01 92.29 Average: 0 4.78 0.00 2.22 0.68 0.00 92.31 Average: 1 4.63 0.00 1.98 0.89 0.01 92.49 Average: 2 4.55 0.00 1.91 1.74 0.00 91.80 Average: 3 4.53 0.00 1.81 1.09 0.01 92.56