---> uname -a: Linux 82dd2f329d56 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-393 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-393@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 665 131 0 1039 1066 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) 06/26/20 _x86_64_ (4 CPU) 17:45:54 LINUX RESTART 17:47:01 tps rtps wtps bread/s bwrtn/s 17:48:01 2.45 0.00 2.45 0.00 57.78 17:49:01 0.40 0.00 0.40 0.00 5.60 17:50:01 0.27 0.00 0.27 0.00 3.76 17:51:01 0.25 0.00 0.25 0.00 2.43 17:52:02 0.22 0.00 0.22 0.00 3.36 17:53:01 0.30 0.02 0.29 0.14 3.37 Average: 0.65 0.00 0.65 0.02 12.74 17:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:48:01 220780 1660776 88.27 2620 1083348 1074624 36.67 430920 1071760 16 17:49:01 218032 1663524 88.41 2620 1083356 1074916 36.68 434476 1071212 16 17:50:01 218572 1662984 88.38 2620 1083360 1074892 36.68 434368 1071208 8 17:51:01 218456 1663100 88.39 2620 1083360 1074700 36.68 440184 1065496 8 17:52:02 217968 1663588 88.42 2620 1083368 1074796 36.68 445912 1060428 8 17:53:01 217272 1664284 88.45 2620 1083380 1074828 36.68 446300 1060428 12 Average: 218513 1663043 88.39 2620 1083362 1074793 36.68 438693 1066755 11 17:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:48:01 eth0 1.18 0.08 0.11 0.02 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 eth0 2.33 1.03 0.84 0.95 0.00 0.00 0.00 17:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 eth0 0.93 0.60 0.53 0.37 0.00 0.00 0.00 17:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 17:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:02 eth0 0.33 0.23 0.14 0.07 0.00 0.00 0.00 17:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 17:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.82 0.35 0.27 0.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 06/26/20 _x86_64_ (4 CPU) 17:45:54 LINUX RESTART 17:47:01 CPU %user %nice %system %iowait %steal %idle 17:48:01 all 0.05 0.00 0.04 0.00 0.00 99.91 17:48:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:48:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:48:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:48:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:49:01 all 0.14 0.00 0.03 0.00 0.00 99.83 17:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:49:01 1 0.38 0.00 0.03 0.02 0.00 99.57 17:49:01 2 0.08 0.00 0.05 0.00 0.00 99.87 17:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:50:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:50:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:50:01 1 0.50 0.00 0.00 0.00 0.00 99.50 17:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:50:01 3 0.02 0.00 0.03 0.00 0.00 99.95 17:51:01 all 0.13 0.00 0.03 0.00 0.00 99.85 17:51:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:51:01 1 0.45 0.00 0.03 0.00 0.02 99.50 17:51:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:51:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:52:02 all 0.15 0.00 0.03 0.00 0.00 99.82 17:52:02 0 0.00 0.00 0.03 0.00 0.00 99.97 17:52:02 1 0.53 0.00 0.02 0.00 0.00 99.45 17:52:02 2 0.03 0.00 0.02 0.00 0.00 99.95 17:52:02 3 0.03 0.00 0.07 0.00 0.00 99.90 17:53:01 all 0.13 0.00 0.04 0.00 0.00 99.83 17:53:01 0 0.02 0.00 0.00 0.00 0.00 99.98 17:53:01 1 0.41 0.00 0.07 0.00 0.00 99.53 17:53:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:53:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.12 0.00 0.03 0.00 0.00 99.84 Average: 0 0.02 0.00 0.03 0.00 0.00 99.96 Average: 1 0.39 0.00 0.03 0.00 0.00 99.58 Average: 2 0.04 0.00 0.03 0.00 0.00 99.92 Average: 3 0.04 0.00 0.04 0.00 0.00 99.92