---> uname -a: Linux 877a765f9371 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-441 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-441@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 688 117 0 1031 1043 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) 08/12/20 _x86_64_ (4 CPU) 18:05:30 LINUX RESTART 18:06:01 tps rtps wtps bread/s bwrtn/s 18:07:01 82.23 34.71 47.51 7472.52 6606.62 18:08:01 1.62 0.00 1.62 0.00 30.49 18:09:01 0.32 0.00 0.32 0.00 3.41 18:10:01 0.22 0.00 0.22 0.00 2.96 18:11:01 0.23 0.00 0.23 0.00 3.70 18:12:01 0.33 0.00 0.33 0.00 3.93 18:13:01 0.22 0.02 0.20 0.13 1.62 18:14:01 0.25 0.00 0.25 0.00 2.95 Average: 10.68 4.34 6.34 934.68 832.49 18:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:07:01 197256 1684300 89.52 2620 1097844 1129892 38.56 443204 1082664 120 18:08:01 202552 1679004 89.23 2620 1097940 1089136 37.17 442384 1078568 8 18:09:01 203456 1678100 89.19 2620 1097948 1089140 37.17 442388 1078556 8 18:10:01 196608 1684948 89.55 2620 1097948 1089344 37.18 449368 1077972 0 18:11:01 197008 1684548 89.53 2620 1098012 1089320 37.18 455556 1071648 16 18:12:01 197220 1684336 89.52 2620 1097964 1089224 37.17 454976 1071636 8 18:13:01 198200 1683356 89.47 2620 1097968 1089140 37.17 454624 1071636 8 18:14:01 198092 1683464 89.47 2620 1097976 1089140 37.17 454432 1071844 8 Average: 198799 1682757 89.43 2620 1097950 1094292 37.35 449617 1075566 22 18:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:07:01 eth0 645.25 446.26 1657.90 412.69 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 86.22 68.35 8.03 300.27 0.00 0.00 0.00 18:08:01 eth0 0.08 0.15 0.01 0.04 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.62 0.13 0.07 0.01 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 1.27 0.42 0.37 0.14 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 eth0 0.55 0.32 0.27 0.26 0.00 0.00 0.00 18:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 81.08 55.99 207.48 51.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.78 8.55 1.00 37.56 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) 08/12/20 _x86_64_ (4 CPU) 18:05:30 LINUX RESTART 18:06:01 CPU %user %nice %system %iowait %steal %idle 18:07:01 all 16.54 0.00 5.60 2.36 0.04 75.47 18:07:01 0 16.92 0.00 5.97 2.03 0.05 75.03 18:07:01 1 16.77 0.00 5.31 3.56 0.03 74.32 18:07:01 2 16.34 0.00 4.81 0.86 0.02 77.97 18:07:01 3 16.12 0.00 6.28 3.00 0.05 74.54 18:08:01 all 0.15 0.00 0.05 0.00 0.00 99.80 18:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:08:01 1 0.05 0.00 0.07 0.00 0.02 99.87 18:08:01 2 0.52 0.00 0.07 0.00 0.00 99.42 18:08:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:09:01 all 0.10 0.00 0.03 0.00 0.00 99.86 18:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:09:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:09:01 2 0.28 0.00 0.03 0.00 0.00 99.68 18:09:01 3 0.07 0.00 0.03 0.00 0.00 99.90 18:10:01 all 0.11 0.00 0.03 0.00 0.00 99.86 18:10:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:10:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:10:01 2 0.37 0.00 0.03 0.00 0.02 99.58 18:10:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:11:01 all 0.16 0.00 0.04 0.00 0.00 99.80 18:11:01 0 0.03 0.00 0.00 0.00 0.00 99.97 18:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:11:01 2 0.52 0.00 0.02 0.00 0.00 99.47 18:11:01 3 0.03 0.00 0.08 0.00 0.00 99.88 18:12:01 all 0.15 0.00 0.06 0.00 0.00 99.80 18:12:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:12:01 1 0.02 0.00 0.05 0.00 0.00 99.93 18:12:01 2 0.52 0.00 0.05 0.00 0.00 99.43 18:12:01 3 0.02 0.00 0.13 0.00 0.00 99.85 18:13:01 all 0.16 0.00 0.03 0.00 0.00 99.80 18:13:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:13:01 1 0.07 0.00 0.05 0.00 0.02 99.87 18:13:01 2 0.53 0.00 0.02 0.00 0.00 99.45 18:13:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:14:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:14:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:14:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:14:01 2 0.52 0.00 0.00 0.00 0.00 99.48 18:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 2.17 0.00 0.73 0.29 0.01 96.80 Average: 0 2.12 0.00 0.75 0.25 0.01 96.87 Average: 1 2.12 0.00 0.70 0.44 0.01 96.73 Average: 2 2.43 0.00 0.62 0.11 0.00 96.83 Average: 3 2.03 0.00 0.82 0.37 0.01 96.77