---> uname -a: Linux bc9dcb2b999d 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: 2933.436 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 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% /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 /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 779 115 0 941 987 Swap: 1023 3 1020 ---> 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) 07/24/20 _x86_64_ (4 CPU) 16:51:42 LINUX RESTART 16:52:01 tps rtps wtps bread/s bwrtn/s 16:53:01 137.77 47.30 90.46 7801.46 41983.36 16:54:02 2.28 0.00 2.28 0.00 47.01 16:55:01 0.39 0.00 0.39 0.00 6.05 16:56:01 0.28 0.00 0.28 0.00 3.33 16:57:01 0.30 0.00 0.30 0.00 4.60 16:58:01 11.99 3.26 8.73 331.72 6765.28 16:59:01 404.41 203.41 200.99 9303.50 54723.94 Average: 80.04 36.48 43.56 2501.82 14854.32 16:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:53:01 178248 1703308 90.53 2620 1112356 1116840 38.12 454692 1089284 120 16:54:02 183900 1697656 90.23 2620 1112372 1079228 36.83 454076 1085436 20 16:55:01 182968 1698588 90.28 2620 1112380 1079408 36.84 455312 1085424 16 16:56:01 184276 1697280 90.21 2620 1112380 1079240 36.83 454204 1085424 8 16:57:01 181988 1699568 90.33 2620 1112384 1079408 36.84 463408 1078452 8 16:58:01 75064 1806492 96.01 2620 1138640 1513516 51.65 565156 1075224 84856 16:59:01 86176 1795380 95.42 1688 1025356 1310364 44.72 587928 921496 22320 Average: 153231 1728325 91.86 2487 1103695 1179715 40.26 490682 1060106 15335 16:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:53:01 eth0 771.32 478.53 1666.18 415.63 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 114.23 97.97 9.53 302.31 0.00 0.00 0.00 16:54:02 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 16:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 eth0 0.68 0.53 0.28 0.22 0.00 0.00 0.00 16:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 eth0 0.42 0.43 0.26 0.21 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 eth0 113.37 77.60 3756.28 6.89 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 eth0 385.58 229.19 3825.50 60.31 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 39.93 41.75 3.76 304.46 0.00 0.00 0.00 Average: eth0 182.44 112.72 1326.08 69.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.09 20.03 1.91 87.05 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) 07/24/20 _x86_64_ (4 CPU) 16:51:42 LINUX RESTART 16:52:01 CPU %user %nice %system %iowait %steal %idle 16:53:01 all 15.77 0.00 7.29 10.79 0.10 66.05 16:53:01 0 17.52 0.00 6.97 10.97 0.08 64.45 16:53:01 1 14.15 0.00 7.84 11.63 0.07 66.31 16:53:01 2 16.30 0.00 6.71 8.86 0.13 68.00 16:53:01 3 15.14 0.00 7.64 11.69 0.10 65.43 16:54:02 all 0.05 0.00 0.04 0.00 0.00 99.90 16:54:02 0 0.05 0.00 0.03 0.00 0.00 99.92 16:54:02 1 0.08 0.00 0.05 0.00 0.02 99.85 16:54:02 2 0.03 0.00 0.03 0.00 0.00 99.93 16:54:02 3 0.05 0.00 0.05 0.00 0.00 99.90 16:55:01 all 0.11 0.00 0.03 0.00 0.00 99.86 16:55:01 0 0.14 0.00 0.03 0.00 0.00 99.83 16:55:01 1 0.20 0.00 0.03 0.00 0.00 99.76 16:55:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:55:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:56:01 all 0.12 0.00 0.03 0.00 0.00 99.84 16:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:56:01 1 0.42 0.00 0.07 0.00 0.02 99.50 16:56:01 2 0.02 0.00 0.02 0.00 0.00 99.97 16:56:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:57:01 all 0.15 0.00 0.04 0.00 0.00 99.81 16:57:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:57:01 1 0.28 0.00 0.05 0.00 0.00 99.67 16:57:01 2 0.32 0.00 0.07 0.00 0.00 99.62 16:57:01 3 0.00 0.00 0.02 0.00 0.00 99.98 16:58:01 all 1.65 0.00 0.96 0.03 0.02 97.35 16:58:01 0 1.64 0.00 1.12 0.00 0.03 97.21 16:58:01 1 1.55 0.00 0.92 0.08 0.00 97.45 16:58:01 2 1.92 0.00 0.90 0.00 0.03 97.14 16:58:01 3 1.52 0.00 0.87 0.03 0.03 97.55 16:59:01 all 14.78 0.00 9.11 2.83 0.16 73.13 16:59:01 0 14.17 0.00 9.53 1.64 0.22 74.43 16:59:01 1 14.76 0.00 9.54 3.44 0.14 72.13 16:59:01 2 15.75 0.00 8.50 3.84 0.08 71.82 16:59:01 3 14.40 0.00 8.90 2.35 0.17 74.17 Average: all 4.62 0.00 2.48 1.93 0.04 90.93 Average: 0 4.75 0.00 2.51 1.79 0.05 90.90 Average: 1 4.45 0.00 2.62 2.15 0.03 90.75 Average: 2 4.88 0.00 2.31 1.80 0.04 90.98 Average: 3 4.40 0.00 2.48 1.99 0.04 91.09