---> uname -a: Linux f56261a85d33 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 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-393 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-393@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 673 117 0 1046 1057 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) 06/25/20 _x86_64_ (4 CPU) 19:45:27 LINUX RESTART 19:46:01 tps rtps wtps bread/s bwrtn/s 19:47:01 60.21 14.47 45.74 4985.97 6483.65 19:48:02 1.61 0.00 1.61 0.00 31.85 19:49:01 0.27 0.00 0.27 0.00 3.32 19:50:01 0.35 0.00 0.35 0.00 3.96 19:51:01 0.20 0.00 0.20 0.00 2.76 19:52:01 0.30 0.00 0.30 0.00 3.40 19:53:01 76.86 45.58 31.28 4701.98 15148.41 Average: 20.03 8.60 11.43 1388.16 3105.30 19:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:47:01 183924 1697632 90.22 2620 1104172 1131004 38.60 468588 1069180 120 19:48:02 183464 1698092 90.25 2620 1104136 1125536 38.41 471440 1067080 20 19:49:01 181976 1699580 90.33 2620 1104144 1122552 38.31 473800 1066916 16 19:50:01 179996 1701560 90.43 2620 1104144 1121652 38.28 476148 1066428 20 19:51:01 180820 1700736 90.39 2620 1104148 1118472 38.17 483900 1057920 12 19:52:01 180752 1700804 90.39 2620 1104156 1117444 38.14 483836 1057896 8 19:53:01 188940 1692616 89.96 2620 1040160 1296564 44.25 492700 1017120 12176 Average: 182839 1698717 90.28 2620 1095009 1147603 39.17 478630 1057506 1767 19:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:47:01 eth0 499.80 371.05 1379.86 393.78 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 104.02 94.23 9.17 302.96 0.00 0.00 0.00 19:48:02 eth0 3.58 0.75 0.99 0.58 0.00 0.00 0.00 19:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 eth0 2.86 0.85 0.96 0.60 0.00 0.00 0.00 19:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 eth0 4.20 2.25 0.80 10.33 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 eth0 1.22 0.70 0.68 0.50 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 eth0 0.53 0.30 0.27 0.20 0.00 0.00 0.00 19:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 eth0 92.61 55.52 2325.38 8.25 0.00 0.00 0.00 19:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.68 61.84 531.35 59.38 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.91 13.51 1.31 43.43 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) 06/25/20 _x86_64_ (4 CPU) 19:45:27 LINUX RESTART 19:46:01 CPU %user %nice %system %iowait %steal %idle 19:47:01 all 11.05 0.00 4.20 2.02 3.70 79.04 19:47:01 0 11.94 0.00 4.90 0.62 3.23 79.31 19:47:01 1 10.52 0.00 4.10 2.04 4.07 79.28 19:47:01 2 11.72 0.00 4.21 4.16 3.58 76.34 19:47:01 3 10.05 0.00 3.57 1.26 3.89 81.23 19:48:02 all 0.14 0.00 0.05 0.00 0.24 99.57 19:48:02 0 0.20 0.00 0.07 0.00 0.17 99.57 19:48:02 1 0.08 0.00 0.03 0.00 0.43 99.45 19:48:02 2 0.22 0.00 0.05 0.00 0.27 99.47 19:48:02 3 0.03 0.00 0.03 0.00 0.10 99.83 19:49:01 all 0.14 0.00 0.04 0.00 0.29 99.53 19:49:01 0 0.37 0.00 0.05 0.00 0.20 99.37 19:49:01 1 0.10 0.00 0.08 0.00 0.62 99.19 19:49:01 2 0.07 0.00 0.03 0.00 0.24 99.66 19:49:01 3 0.02 0.00 0.03 0.00 0.08 99.86 19:50:01 all 0.17 0.00 0.06 0.00 0.17 99.60 19:50:01 0 0.42 0.00 0.07 0.00 0.17 99.35 19:50:01 1 0.13 0.00 0.07 0.00 0.20 99.60 19:50:01 2 0.08 0.00 0.05 0.00 0.22 99.65 19:50:01 3 0.08 0.00 0.07 0.00 0.08 99.77 19:51:01 all 0.13 0.00 0.04 0.00 0.03 99.81 19:51:01 0 0.38 0.00 0.05 0.00 0.03 99.53 19:51:01 1 0.05 0.00 0.02 0.00 0.03 99.90 19:51:01 2 0.02 0.00 0.03 0.00 0.02 99.93 19:51:01 3 0.03 0.00 0.03 0.00 0.02 99.92 19:52:01 all 0.14 0.00 0.02 0.00 0.01 99.83 19:52:01 0 0.48 0.00 0.02 0.00 0.00 99.50 19:52:01 1 0.03 0.00 0.03 0.00 0.03 99.90 19:52:01 2 0.02 0.00 0.03 0.00 0.00 99.95 19:52:01 3 0.02 0.00 0.02 0.00 0.02 99.95 19:53:01 all 3.94 0.00 1.95 1.06 0.34 92.71 19:53:01 0 4.10 0.00 2.19 1.92 0.34 91.46 19:53:01 1 4.32 0.00 1.85 1.19 0.29 92.36 19:53:01 2 3.57 0.00 1.90 0.13 0.42 93.98 19:53:01 3 3.76 0.00 1.92 0.99 0.34 92.99 Average: all 2.24 0.00 0.91 0.44 0.68 95.72 Average: 0 2.55 0.00 1.04 0.36 0.59 95.46 Average: 1 2.18 0.00 0.88 0.46 0.81 95.66 Average: 2 2.25 0.00 0.90 0.62 0.68 95.56 Average: 3 2.01 0.00 0.81 0.32 0.65 96.21