---> uname -a: Linux 66782a52ccaf 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% /w/workspace/ndry_app-functions-sdk-go_PR-403@tmp /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-403 ---> free -m: total used free shared buff/cache available Mem: 1837 673 116 0 1047 1057 Swap: 1023 0 1023 ---> 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) 07/10/20 _x86_64_ (4 CPU) 16:20:41 LINUX RESTART 16:21:01 tps rtps wtps bread/s bwrtn/s 16:22:01 138.15 45.42 92.73 7790.68 41978.56 16:23:01 2.31 0.00 2.31 0.00 51.81 16:24:01 0.50 0.00 0.50 0.00 8.31 16:25:01 0.18 0.00 0.18 0.00 1.88 16:26:02 0.22 0.00 0.22 0.00 3.46 16:27:01 0.36 0.00 0.36 0.00 4.39 16:28:01 61.76 45.59 16.17 4635.43 8753.74 Average: 29.16 13.05 16.11 1781.13 7278.21 16:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:22:01 195504 1686052 89.61 2620 1098768 1091016 37.23 443904 1082920 120 16:23:01 201064 1680492 89.31 2620 1098772 1071028 36.55 443072 1079096 20 16:24:01 190372 1691184 89.88 2620 1098780 1071172 36.56 454036 1078888 8 16:25:01 190700 1690856 89.86 2620 1098780 1071136 36.56 453832 1078884 8 16:26:02 190044 1691512 89.90 2620 1098784 1071028 36.55 461304 1072204 8 16:27:01 189728 1691828 89.92 2620 1098792 1071088 36.55 461684 1072148 8 16:28:01 73408 1808148 96.10 2620 1103960 1504856 51.36 585516 1034460 102972 Average: 175831 1705725 90.66 2620 1099519 1135903 38.77 471907 1071229 14735 16:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:22:01 eth0 781.57 562.78 1658.25 414.70 0.00 0.00 0.00 16:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 docker0 122.99 107.87 10.65 304.78 0.00 0.00 0.00 16:23:01 eth0 0.57 0.12 0.06 0.03 0.00 0.00 0.00 16:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 eth0 4.15 1.77 3.71 0.30 0.00 0.00 0.00 16:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 eth0 0.73 0.28 0.30 0.20 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 0.29 0.20 0.14 0.07 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 103.22 70.01 2318.70 16.93 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 127.58 90.99 570.95 61.90 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.61 15.45 1.52 43.65 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) 07/10/20 _x86_64_ (4 CPU) 16:20:41 LINUX RESTART 16:21:01 CPU %user %nice %system %iowait %steal %idle 16:22:01 all 15.17 0.00 7.60 9.29 0.03 67.91 16:22:01 0 14.99 0.00 8.51 9.93 0.03 66.53 16:22:01 1 16.23 0.00 7.68 9.56 0.02 66.52 16:22:01 2 13.93 0.00 6.75 11.00 0.05 68.28 16:22:01 3 15.52 0.00 7.45 6.67 0.02 70.34 16:23:01 all 0.14 0.00 0.04 0.00 0.00 99.81 16:23:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:23:01 1 0.08 0.00 0.05 0.00 0.00 99.87 16:23:01 2 0.42 0.00 0.03 0.00 0.00 99.55 16:23:01 3 0.03 0.00 0.02 0.00 0.00 99.95 16:24:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:24:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:24:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:25:01 all 0.13 0.00 0.03 0.00 0.00 99.84 16:25:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:25:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:25:01 2 0.45 0.00 0.05 0.00 0.00 99.50 16:25:01 3 0.02 0.00 0.00 0.00 0.00 99.98 16:26:02 all 0.15 0.00 0.04 0.00 0.00 99.80 16:26:02 0 0.03 0.00 0.02 0.00 0.00 99.95 16:26:02 1 0.03 0.00 0.07 0.00 0.00 99.90 16:26:02 2 0.52 0.00 0.03 0.00 0.00 99.45 16:26:02 3 0.05 0.00 0.03 0.00 0.00 99.92 16:27:01 all 0.15 0.00 0.05 0.00 0.00 99.80 16:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:27:01 1 0.03 0.00 0.07 0.00 0.00 99.90 16:27:01 2 0.53 0.00 0.07 0.00 0.00 99.41 16:27:01 3 0.02 0.00 0.03 0.00 0.00 99.95 16:28:01 all 3.39 0.00 1.79 0.96 0.03 93.83 16:28:01 0 3.00 0.00 1.50 0.08 0.02 95.40 16:28:01 1 3.13 0.00 1.82 1.98 0.03 93.04 16:28:01 2 4.81 0.00 2.00 1.60 0.03 91.56 16:28:01 3 2.64 0.00 1.84 0.17 0.02 95.34 Average: all 2.75 0.00 1.36 1.46 0.01 94.42 Average: 0 2.58 0.00 1.45 1.42 0.01 94.55 Average: 1 2.79 0.00 1.39 1.65 0.01 94.16 Average: 2 3.02 0.00 1.28 1.79 0.01 93.90 Average: 3 2.60 0.00 1.34 0.97 0.00 95.09