---> uname -a: Linux dbea44795761 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: 2933.442 BogoMIPS: 5866.88 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-415 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-415@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 674 120 0 1042 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) 07/21/20 _x86_64_ (4 CPU) 08:26:16 LINUX RESTART 08:27:01 tps rtps wtps bread/s bwrtn/s 08:28:01 46.85 11.38 35.47 4561.92 4296.69 08:29:01 2.17 0.00 2.17 0.00 37.86 08:30:01 0.73 0.00 0.73 0.00 8.78 08:31:01 0.48 0.00 0.48 0.00 6.09 08:32:01 0.15 0.00 0.15 0.00 1.82 08:33:01 0.43 0.00 0.43 0.00 5.56 08:34:01 0.28 0.02 0.27 0.13 2.56 08:35:01 159.43 102.28 57.15 7672.01 19920.82 Average: 26.32 14.21 12.11 1529.57 3035.35 08:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:28:01 222948 1658608 88.15 2620 1062136 1115796 38.08 453172 1046852 20 08:29:01 228928 1652628 87.83 2620 1062140 1074296 36.66 452804 1042080 8 08:30:01 228944 1652612 87.83 2620 1062148 1074296 36.66 454496 1040656 8 08:31:01 225944 1655612 87.99 2620 1062148 1074452 36.67 459480 1038572 8 08:32:01 226208 1655348 87.98 2620 1062152 1074416 36.67 466584 1031304 16 08:33:01 226876 1654680 87.94 2620 1062160 1074344 36.67 466316 1031304 12 08:34:01 227568 1653988 87.91 2620 1062164 1074296 36.66 454744 1042216 8 08:35:01 194716 1686840 89.65 2620 1042280 1194192 40.76 460464 1025240 44 Average: 222767 1658790 88.16 2620 1059666 1094511 37.35 458508 1037278 16 08:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:28:01 eth0 386.58 326.15 903.51 372.86 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 docker0 134.57 98.22 10.56 303.22 0.00 0.00 0.00 08:29:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 08:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 eth0 0.52 0.02 0.05 0.00 0.00 0.00 0.00 08:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 eth0 1.00 0.32 0.32 0.17 0.00 0.00 0.00 08:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 eth0 0.67 0.48 0.35 0.30 0.00 0.00 0.00 08:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 eth0 0.20 0.08 0.07 0.01 0.00 0.00 0.00 08:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 eth0 0.12 0.12 0.01 0.01 0.00 0.00 0.00 08:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 veth9e51aaf 0.00 0.03 0.00 0.00 0.00 0.00 0.00 08:35:01 eth0 938.38 647.98 4046.70 434.36 0.00 0.00 0.00 08:35:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 08:35:01 docker0 134.64 98.27 10.57 303.38 0.00 0.00 0.00 Average: veth9e51aaf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 117.30 81.00 505.85 54.30 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.83 12.28 1.32 37.92 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) 07/21/20 _x86_64_ (4 CPU) 08:26:16 LINUX RESTART 08:27:01 CPU %user %nice %system %iowait %steal %idle 08:28:01 all 5.56 0.00 2.33 1.36 0.00 90.74 08:28:01 0 5.69 0.00 2.85 2.03 0.00 89.42 08:28:01 1 4.15 0.00 2.34 1.29 0.02 92.21 08:28:01 2 7.26 0.00 2.29 0.57 0.00 89.88 08:28:01 3 5.12 0.00 1.87 1.56 0.02 91.43 08:29:01 all 0.13 0.00 0.04 0.00 0.00 99.83 08:29:01 0 0.00 0.00 0.03 0.00 0.00 99.97 08:29:01 1 0.45 0.00 0.07 0.00 0.00 99.48 08:29:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:29:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:30:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:30:01 1 0.28 0.00 0.05 0.00 0.00 99.67 08:30:01 2 0.28 0.00 0.03 0.00 0.00 99.68 08:30:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:31:01 all 0.17 0.00 0.03 0.00 0.00 99.79 08:31:01 0 0.03 0.00 0.00 0.00 0.00 99.97 08:31:01 1 0.10 0.00 0.05 0.00 0.00 99.85 08:31:01 2 0.55 0.00 0.03 0.00 0.00 99.42 08:31:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:32:01 all 0.16 0.00 0.05 0.00 0.00 99.78 08:32:01 0 0.02 0.00 0.03 0.00 0.02 99.93 08:32:01 1 0.03 0.00 0.13 0.00 0.00 99.83 08:32:01 2 0.55 0.00 0.03 0.00 0.00 99.42 08:32:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:33:01 all 0.07 0.00 0.04 0.00 0.00 99.89 08:33:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:33:01 1 0.05 0.00 0.08 0.00 0.00 99.87 08:33:01 2 0.18 0.00 0.05 0.00 0.00 99.77 08:33:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:34:01 all 0.03 0.00 0.02 0.00 0.00 99.95 08:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:34:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:34:01 2 0.07 0.00 0.03 0.02 0.00 99.88 08:34:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:35:01 all 5.22 0.00 3.15 1.97 0.01 89.66 08:35:01 0 4.61 0.00 2.77 0.55 0.00 92.07 08:35:01 1 4.99 0.00 3.05 1.31 0.00 90.65 08:35:01 2 6.22 0.00 3.69 4.75 0.02 85.32 08:35:01 3 5.05 0.00 3.07 1.24 0.00 90.64 Average: all 1.43 0.00 0.71 0.41 0.00 97.44 Average: 0 1.29 0.00 0.71 0.32 0.00 97.67 Average: 1 1.26 0.00 0.72 0.32 0.00 97.69 Average: 2 1.89 0.00 0.77 0.66 0.00 96.67 Average: 3 1.28 0.00 0.63 0.35 0.00 97.74