---> uname -a: Linux 88f54c5c1fb3 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 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@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 788 113 0 935 979 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) 06/11/20 _x86_64_ (4 CPU) 17:03:09 LINUX RESTART 17:04:01 tps rtps wtps bread/s bwrtn/s 17:05:01 46.70 10.85 35.85 4506.01 3489.92 17:06:01 1.71 0.00 1.71 0.00 29.53 17:07:01 0.32 0.00 0.32 0.00 4.09 17:08:02 0.23 0.00 0.23 0.00 2.83 17:09:01 0.34 0.00 0.34 0.00 4.97 17:10:01 46.30 18.52 27.77 990.96 17790.75 17:11:01 382.78 191.51 191.26 8531.04 44043.30 17:12:02 181.60 94.89 86.71 7000.92 23896.49 Average: 83.07 39.77 43.31 2645.06 11230.01 17:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:05:01 194340 1687216 89.67 2620 1093180 1129408 38.54 450668 1077084 12 17:06:01 199972 1681584 89.37 2620 1093188 1090688 37.22 450436 1072592 16 17:07:01 198656 1682900 89.44 2620 1093192 1090964 37.23 454840 1069464 8 17:08:02 192800 1688756 89.75 2620 1093252 1091028 37.23 461132 1068764 24 17:09:01 194676 1686880 89.65 2620 1093204 1090824 37.23 466036 1062476 16 17:10:01 81072 1800484 95.69 2620 1097824 1541292 52.60 633856 978544 43532 17:11:01 84480 1797076 95.51 1708 1015768 1343412 45.85 585740 917116 14528 17:12:02 99512 1782044 94.71 1492 976868 1380324 47.11 608388 851760 80 Average: 155689 1725868 91.73 2365 1069560 1219743 41.63 513887 1012225 7277 17:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:05:01 eth0 246.07 217.00 778.02 359.90 0.00 0.00 0.00 17:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 docker0 114.06 95.47 10.27 303.85 0.00 0.00 0.00 17:06:01 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 eth0 0.90 0.43 0.31 0.20 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:02 eth0 0.33 0.23 0.26 0.19 0.00 0.00 0.00 17:08:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 17:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 eth0 123.32 65.32 3755.49 18.16 0.00 0.00 0.00 17:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 eth0 257.00 184.05 3803.96 61.08 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 41.91 40.89 4.04 304.42 0.00 0.00 0.00 17:12:02 eth0 160.59 112.40 2509.51 66.62 0.00 0.00 0.00 17:12:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:02 docker0 18.66 27.44 1.46 148.06 0.00 0.00 0.00 Average: eth0 99.09 72.77 1363.10 63.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 21.89 20.54 1.98 94.99 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) 06/11/20 _x86_64_ (4 CPU) 17:03:09 LINUX RESTART 17:04:01 CPU %user %nice %system %iowait %steal %idle 17:05:01 all 5.35 0.00 1.98 1.54 4.31 86.82 17:05:01 0 4.64 0.00 2.48 2.63 4.80 85.44 17:05:01 1 6.48 0.00 1.60 0.34 4.08 87.50 17:05:01 2 4.91 0.00 1.82 0.92 4.14 88.21 17:05:01 3 5.34 0.00 2.02 2.27 4.24 86.12 17:06:01 all 0.15 0.00 0.04 0.00 0.17 99.64 17:06:01 0 0.45 0.00 0.05 0.00 0.25 99.25 17:06:01 1 0.05 0.00 0.03 0.00 0.10 99.82 17:06:01 2 0.08 0.00 0.07 0.00 0.30 99.55 17:06:01 3 0.03 0.00 0.03 0.00 0.05 99.88 17:07:01 all 0.14 0.00 0.03 0.00 0.16 99.67 17:07:01 0 0.43 0.00 0.03 0.00 0.28 99.25 17:07:01 1 0.03 0.00 0.03 0.00 0.07 99.87 17:07:01 2 0.03 0.00 0.03 0.00 0.13 99.80 17:07:01 3 0.05 0.00 0.02 0.00 0.15 99.78 17:08:02 all 0.09 0.00 0.04 0.00 0.25 99.62 17:08:02 0 0.25 0.00 0.05 0.00 0.28 99.42 17:08:02 1 0.05 0.00 0.05 0.00 0.47 99.44 17:08:02 2 0.05 0.00 0.03 0.00 0.22 99.70 17:08:02 3 0.02 0.00 0.02 0.00 0.05 99.92 17:09:01 all 0.13 0.00 0.04 0.00 0.15 99.68 17:09:01 0 0.37 0.00 0.02 0.00 0.17 99.44 17:09:01 1 0.05 0.00 0.07 0.00 0.08 99.80 17:09:01 2 0.05 0.00 0.03 0.00 0.20 99.71 17:09:01 3 0.03 0.00 0.03 0.00 0.17 99.76 17:10:01 all 3.07 0.00 2.02 0.18 4.56 90.17 17:10:01 0 3.45 0.00 1.92 0.12 4.78 89.73 17:10:01 1 2.62 0.00 1.97 0.10 4.40 90.91 17:10:01 2 3.00 0.00 1.80 0.35 4.96 89.89 17:10:01 3 3.18 0.00 2.42 0.17 4.10 90.13 17:11:01 all 10.27 0.00 7.25 3.56 13.54 65.37 17:11:01 0 9.83 0.00 6.00 2.57 14.17 67.42 17:11:01 1 10.08 0.00 7.91 5.27 13.71 63.03 17:11:01 2 11.13 0.00 8.43 3.63 13.01 63.79 17:11:01 3 10.07 0.00 6.67 2.76 13.27 67.24 17:12:02 all 7.33 0.00 5.67 3.47 10.26 73.26 17:12:02 0 5.95 0.00 5.13 3.30 10.17 75.45 17:12:02 1 6.09 0.00 6.30 3.12 10.17 74.32 17:12:02 2 8.96 0.00 5.42 3.98 10.94 70.70 17:12:02 3 8.33 0.00 5.80 3.50 9.79 72.58 Average: all 3.30 0.00 2.12 1.09 4.16 89.33 Average: 0 3.16 0.00 1.96 1.08 4.35 89.46 Average: 1 3.17 0.00 2.24 1.10 4.12 89.37 Average: 2 3.50 0.00 2.18 1.10 4.21 89.01 Average: 3 3.36 0.00 2.11 1.08 3.95 89.49