---> uname -a: Linux d46e952cdd63 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 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-389 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-389@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 631 125 0 1080 1100 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) 06/26/20 _x86_64_ (4 CPU) 16:11:55 LINUX RESTART 16:13:02 tps rtps wtps bread/s bwrtn/s 16:14:01 58.44 14.15 44.28 5020.22 6590.40 16:15:01 1.85 0.00 1.85 0.00 37.50 16:16:01 0.60 0.00 0.60 0.00 7.99 16:17:01 0.63 0.00 0.63 0.00 8.61 16:18:01 0.45 0.00 0.45 0.00 6.36 16:19:01 0.43 0.00 0.43 0.00 5.80 16:20:01 0.35 0.02 0.33 0.13 4.45 16:21:01 91.86 60.29 31.58 5067.11 13593.28 Average: 19.25 9.30 9.95 1253.81 2524.53 16:13:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:14:01 214368 1667188 88.61 2620 1107440 1147120 39.15 421068 1086152 124 16:15:01 222656 1658900 88.17 2620 1107444 1081432 36.91 418756 1081232 20 16:16:01 225616 1655940 88.01 2620 1107452 1062928 36.28 417732 1080568 8 16:17:01 222984 1658572 88.15 2620 1107452 1063132 36.28 426592 1073824 8 16:18:01 220620 1660936 88.27 2620 1107460 1063204 36.29 430712 1072308 16 16:19:01 221848 1659708 88.21 2620 1107468 1062988 36.28 448200 1053704 16 16:20:01 222244 1659312 88.19 2620 1107476 1062876 36.27 441680 1060004 8 16:21:01 106432 1775124 94.34 2620 1120972 1488556 50.80 529708 1062436 91516 Average: 207096 1674460 88.99 2620 1109146 1129030 38.53 441806 1071279 11465 16:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:14:01 eth0 345.86 300.59 1169.34 383.55 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 123.62 88.82 9.94 307.02 0.00 0.00 0.00 16:15:01 eth0 0.50 0.18 0.27 0.02 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 0.95 0.08 0.10 0.01 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 1.63 0.75 0.62 0.41 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 eth0 0.58 0.50 0.34 0.27 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 eth0 0.17 0.12 0.07 0.01 0.00 0.00 0.00 16:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 eth0 74.50 53.17 2327.16 9.67 0.00 0.00 0.00 16:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 52.45 43.92 435.92 48.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.24 10.95 1.23 37.85 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) 16:11:55 LINUX RESTART 16:13:02 CPU %user %nice %system %iowait %steal %idle 16:14:01 all 7.56 0.00 3.18 2.04 7.39 79.82 16:14:01 0 7.53 0.00 3.54 1.00 7.32 80.62 16:14:01 1 8.82 0.00 3.34 2.47 6.81 78.57 16:14:01 2 5.24 0.00 2.98 2.32 7.58 81.89 16:14:01 3 8.68 0.00 2.88 2.36 7.84 78.23 16:15:01 all 0.10 0.00 0.04 0.00 0.50 99.36 16:15:01 0 0.02 0.00 0.03 0.00 0.65 99.30 16:15:01 1 0.27 0.00 0.03 0.00 0.43 99.27 16:15:01 2 0.05 0.00 0.05 0.00 0.53 99.37 16:15:01 3 0.05 0.00 0.07 0.00 0.38 99.50 16:16:01 all 0.12 0.00 0.05 0.00 0.31 99.52 16:16:01 0 0.02 0.00 0.03 0.00 0.25 99.70 16:16:01 1 0.38 0.00 0.05 0.00 0.45 99.12 16:16:01 2 0.05 0.00 0.07 0.00 0.25 99.63 16:16:01 3 0.03 0.00 0.05 0.00 0.32 99.60 16:17:01 all 0.12 0.00 0.04 0.00 0.21 99.63 16:17:01 0 0.18 0.00 0.02 0.00 0.23 99.57 16:17:01 1 0.22 0.00 0.02 0.00 0.25 99.52 16:17:01 2 0.02 0.00 0.05 0.00 0.10 99.83 16:17:01 3 0.07 0.00 0.07 0.02 0.22 99.63 16:18:01 all 0.15 0.00 0.05 0.00 0.07 99.72 16:18:01 0 0.10 0.00 0.02 0.00 0.03 99.85 16:18:01 1 0.02 0.00 0.02 0.00 0.02 99.95 16:18:01 2 0.38 0.00 0.12 0.00 0.07 99.43 16:18:01 3 0.08 0.00 0.05 0.00 0.20 99.67 16:19:01 all 0.11 0.00 0.08 0.00 0.08 99.72 16:19:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:19:01 1 0.22 0.00 0.02 0.00 0.02 99.75 16:19:01 2 0.17 0.00 0.20 0.00 0.03 99.60 16:19:01 3 0.07 0.00 0.08 0.00 0.27 99.58 16:20:01 all 0.12 0.00 0.02 0.00 0.29 99.57 16:20:01 0 0.32 0.00 0.02 0.00 0.27 99.40 16:20:01 1 0.08 0.00 0.05 0.00 0.30 99.57 16:20:01 2 0.03 0.00 0.02 0.02 0.25 99.68 16:20:01 3 0.03 0.00 0.00 0.00 0.33 99.63 16:21:01 all 3.71 0.00 2.00 1.44 2.56 90.28 16:21:01 0 3.04 0.00 1.87 0.29 2.45 92.36 16:21:01 1 5.40 0.00 2.32 2.81 2.73 86.74 16:21:01 2 3.12 0.00 2.01 1.99 2.73 90.15 16:21:01 3 3.30 0.00 1.84 0.68 2.37 91.82 Average: all 1.48 0.00 0.67 0.43 1.41 96.01 Average: 0 1.38 0.00 0.68 0.16 1.37 96.41 Average: 1 1.90 0.00 0.72 0.65 1.36 95.38 Average: 2 1.12 0.00 0.68 0.54 1.43 96.23 Average: 3 1.51 0.00 0.62 0.37 1.47 96.03