---> uname -a: Linux bf753a6b79c2 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-438 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-438@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 125 0 1039 1060 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) 08/06/20 _x86_64_ (4 CPU) 08:17:30 LINUX RESTART 08:18:01 tps rtps wtps bread/s bwrtn/s 08:19:01 82.08 36.79 45.28 7520.05 6550.31 08:20:01 1.57 0.00 1.57 0.00 28.21 08:21:01 0.40 0.00 0.40 0.00 5.85 08:22:02 0.27 0.00 0.27 0.00 3.11 08:23:01 0.12 0.00 0.12 0.00 2.10 08:24:01 0.45 0.00 0.45 0.00 7.14 08:25:01 48.27 42.81 5.46 4313.02 3811.37 Average: 19.07 11.40 7.67 1695.17 1491.02 08:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:19:01 215492 1666064 88.55 2620 1072208 1126080 38.43 450220 1056824 120 08:20:01 221572 1659984 88.22 2620 1072240 1081512 36.91 448856 1053120 16 08:21:01 222144 1659412 88.19 2620 1072248 1081512 36.91 450992 1051068 8 08:22:02 218892 1662664 88.37 2620 1072248 1081840 36.92 454532 1050364 16 08:23:01 220380 1661176 88.29 2620 1072252 1081576 36.91 458080 1045304 12 08:24:01 220336 1661220 88.29 2620 1072260 1081660 36.92 458644 1045180 8 08:25:01 66668 1814888 96.46 2620 1148704 1499920 51.19 526980 1121892 65944 Average: 197926 1683630 89.48 2620 1083166 1147729 39.17 464043 1060536 9446 08:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:19:01 eth0 711.60 509.20 1664.44 419.61 0.00 0.00 0.00 08:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 docker0 118.14 96.57 9.68 302.85 0.00 0.00 0.00 08:20:01 eth0 0.40 0.08 0.03 0.03 0.00 0.00 0.00 08:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 eth0 0.63 0.08 0.06 0.01 0.00 0.00 0.00 08:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:02 eth0 1.07 0.68 0.55 0.37 0.00 0.00 0.00 08:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 84.28 59.76 2325.62 8.00 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 114.37 81.68 571.65 61.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.93 13.84 1.39 43.39 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) 08/06/20 _x86_64_ (4 CPU) 08:17:30 LINUX RESTART 08:18:01 CPU %user %nice %system %iowait %steal %idle 08:19:01 all 15.36 0.00 5.80 3.21 0.02 75.61 08:19:01 0 18.40 0.00 6.24 0.62 0.02 74.73 08:19:01 1 13.93 0.00 5.64 4.18 0.02 76.24 08:19:01 2 14.61 0.00 5.15 1.16 0.02 79.07 08:19:01 3 14.52 0.00 6.19 6.90 0.02 72.38 08:20:01 all 0.15 0.00 0.04 0.00 0.00 99.82 08:20:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:20:01 1 0.50 0.00 0.05 0.00 0.00 99.45 08:20:01 2 0.03 0.00 0.03 0.00 0.00 99.93 08:20:01 3 0.03 0.00 0.03 0.00 0.02 99.92 08:21:01 all 0.15 0.00 0.02 0.00 0.00 99.82 08:21:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:21:01 1 0.53 0.00 0.03 0.00 0.00 99.43 08:21:01 2 0.03 0.00 0.03 0.00 0.00 99.93 08:21:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:22:02 all 0.15 0.00 0.03 0.00 0.00 99.81 08:22:02 0 0.03 0.00 0.03 0.00 0.00 99.93 08:22:02 1 0.47 0.00 0.03 0.00 0.00 99.50 08:22:02 2 0.08 0.00 0.03 0.00 0.00 99.88 08:22:02 3 0.03 0.00 0.02 0.00 0.00 99.95 08:23:01 all 0.14 0.00 0.04 0.00 0.00 99.82 08:23:01 0 0.00 0.00 0.03 0.00 0.00 99.97 08:23:01 1 0.02 0.00 0.05 0.00 0.00 99.93 08:23:01 2 0.53 0.00 0.03 0.00 0.00 99.44 08:23:01 3 0.02 0.00 0.05 0.00 0.00 99.93 08:24:01 all 0.15 0.00 0.06 0.00 0.00 99.79 08:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:24:01 1 0.03 0.00 0.15 0.00 0.00 99.82 08:24:01 2 0.55 0.00 0.05 0.00 0.00 99.40 08:24:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:25:01 all 1.92 0.00 0.93 1.01 0.00 96.14 08:25:01 0 1.32 0.00 0.78 0.00 0.02 97.88 08:25:01 1 1.45 0.00 0.77 0.43 0.00 97.35 08:25:01 2 2.07 0.00 0.90 0.48 0.00 96.55 08:25:01 3 2.86 0.00 1.22 3.11 0.00 92.82 Average: all 2.57 0.00 0.99 0.60 0.00 95.84 Average: 0 2.82 0.00 1.02 0.09 0.00 96.07 Average: 1 2.41 0.00 0.96 0.66 0.00 95.97 Average: 2 2.55 0.00 0.89 0.23 0.00 96.32 Average: 3 2.49 0.00 1.08 1.43 0.00 95.00