---> uname -a: Linux bed51e9314b8 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% /w/workspace/ndry_app-functions-sdk-go_PR-422 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-422@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 678 131 0 1027 1053 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) 07/29/20 _x86_64_ (4 CPU) 22:47:24 LINUX RESTART 22:48:01 tps rtps wtps bread/s bwrtn/s 22:49:01 67.13 17.59 49.54 5222.30 6681.29 22:50:01 1.65 0.00 1.65 0.00 31.38 22:51:01 0.27 0.00 0.27 0.00 4.03 22:52:01 0.23 0.00 0.23 0.00 2.83 22:53:01 0.22 0.00 0.22 0.00 3.53 22:54:01 55.90 45.34 10.56 4427.18 7399.55 Average: 20.91 10.49 10.42 1608.75 2354.37 22:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:49:01 210756 1670800 88.80 2620 1075620 1128036 38.50 471188 1041352 120 22:50:01 215896 1665660 88.53 2620 1075612 1093200 37.31 469952 1038204 20 22:51:01 215076 1666480 88.57 2620 1075620 1093404 37.32 472212 1036992 12 22:52:01 213560 1667996 88.65 2620 1075620 1093464 37.32 474348 1036404 16 22:53:01 215400 1666156 88.55 2620 1075624 1088060 37.13 484832 1024036 12 22:54:01 144012 1737544 92.35 2620 1100528 1283072 43.79 486100 1083936 15784 Average: 202450 1679106 89.24 2620 1079771 1129873 38.56 476439 1043487 2661 22:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:49:01 eth0 645.28 464.79 1630.61 413.15 0.00 0.00 0.00 22:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 docker0 121.09 99.67 10.18 302.60 0.00 0.00 0.00 22:50:01 eth0 0.82 0.20 0.15 0.04 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 2.43 0.53 0.68 0.36 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:52:01 eth0 0.88 0.60 0.56 0.43 0.00 0.00 0.00 22:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:53:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 22:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:54:01 eth0 87.09 59.26 2327.28 12.58 0.00 0.00 0.00 22:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 122.84 87.63 660.02 71.14 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.19 16.62 1.70 50.47 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) 07/29/20 _x86_64_ (4 CPU) 22:47:24 LINUX RESTART 22:48:01 CPU %user %nice %system %iowait %steal %idle 22:49:01 all 13.42 0.00 3.81 2.14 0.08 80.55 22:49:01 0 11.81 0.00 4.87 0.64 0.07 82.61 22:49:01 1 12.55 0.00 3.20 1.45 0.08 82.73 22:49:01 2 16.22 0.00 3.62 1.43 0.07 78.66 22:49:01 3 13.07 0.00 3.56 5.05 0.10 78.21 22:50:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:50:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:50:01 1 0.05 0.00 0.07 0.00 0.00 99.88 22:50:01 2 0.02 0.00 0.03 0.00 0.02 99.93 22:50:01 3 0.48 0.00 0.05 0.00 0.00 99.47 22:51:01 all 0.17 0.00 0.03 0.00 0.00 99.80 22:51:01 0 0.05 0.00 0.02 0.00 0.00 99.93 22:51:01 1 0.08 0.00 0.05 0.00 0.00 99.87 22:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:51:01 3 0.53 0.00 0.02 0.00 0.00 99.45 22:52:01 all 0.17 0.00 0.02 0.00 0.00 99.80 22:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:52:01 1 0.03 0.00 0.02 0.00 0.02 99.93 22:52:01 2 0.10 0.00 0.02 0.00 0.00 99.88 22:52:01 3 0.52 0.00 0.02 0.00 0.02 99.45 22:53:01 all 0.15 0.00 0.02 0.00 0.00 99.82 22:53:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:53:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:53:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:53:01 3 0.50 0.00 0.03 0.00 0.00 99.47 22:54:01 all 2.25 0.00 1.07 0.89 0.04 95.75 22:54:01 0 1.85 0.00 0.98 0.18 0.07 96.91 22:54:01 1 1.89 0.00 0.90 0.20 0.03 96.97 22:54:01 2 1.52 0.00 0.94 0.02 0.02 97.51 22:54:01 3 3.77 0.00 1.44 3.13 0.03 91.62 Average: all 2.70 0.00 0.83 0.50 0.02 95.95 Average: 0 2.28 0.00 0.98 0.14 0.02 96.58 Average: 1 2.43 0.00 0.71 0.27 0.02 96.57 Average: 2 2.96 0.00 0.77 0.24 0.02 96.01 Average: 3 3.13 0.00 0.85 1.36 0.03 94.64