---> uname -a: Linux 6f3125812c96 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-449 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 687 129 0 1020 1044 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) 09/02/20 _x86_64_ (4 CPU) 01:21:51 LINUX RESTART 01:23:01 tps rtps wtps bread/s bwrtn/s 01:24:01 2.25 0.00 2.25 0.00 47.57 01:25:01 0.40 0.00 0.40 0.00 5.65 01:26:01 0.37 0.00 0.37 0.00 4.95 01:27:01 0.20 0.00 0.20 0.00 2.02 01:28:01 0.28 0.00 0.28 0.00 4.21 01:29:01 25.10 24.80 0.30 2372.42 4.26 Average: 4.77 4.13 0.63 395.43 11.44 01:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 217688 1663868 88.43 2620 1087240 1081712 36.92 439340 1066708 12 01:25:01 207424 1674132 88.98 2620 1087244 1081808 36.92 453848 1062996 8 01:26:01 204124 1677432 89.15 2620 1087252 1081964 36.93 456760 1063000 8 01:27:01 200984 1680572 89.32 2620 1087252 1081988 36.93 462668 1060372 8 01:28:01 199704 1681852 89.39 2620 1087256 1081796 36.92 471532 1053160 8 01:29:01 100912 1780644 94.64 2620 1158600 1109252 37.86 511032 1106308 160 Average: 188473 1693083 89.98 2620 1099141 1086420 37.08 465863 1068757 34 01:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:24:01 eth0 0.28 0.13 0.01 0.03 0.00 0.00 0.00 01:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 eth0 7.51 3.61 6.50 0.24 0.00 0.00 0.00 01:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 eth0 1.45 0.80 0.62 0.38 0.00 0.00 0.00 01:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 eth0 0.90 0.40 0.32 0.20 0.00 0.00 0.00 01:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 eth0 0.23 0.18 0.08 0.10 0.00 0.00 0.00 01:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 eth0 10.09 6.41 7.91 9.39 0.00 0.00 0.00 01:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.41 1.92 2.57 1.72 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) 09/02/20 _x86_64_ (4 CPU) 01:21:51 LINUX RESTART 01:23:01 CPU %user %nice %system %iowait %steal %idle 01:24:01 all 0.18 0.00 0.05 0.00 0.00 99.76 01:24:01 0 0.25 0.00 0.03 0.00 0.00 99.72 01:24:01 1 0.05 0.00 0.03 0.00 0.00 99.92 01:24:01 2 0.42 0.00 0.12 0.00 0.02 99.45 01:24:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:25:01 all 0.16 0.00 0.05 0.00 0.00 99.79 01:25:01 0 0.48 0.00 0.07 0.00 0.00 99.45 01:25:01 1 0.07 0.00 0.07 0.00 0.00 99.87 01:25:01 2 0.05 0.00 0.03 0.00 0.00 99.92 01:25:01 3 0.05 0.00 0.02 0.00 0.00 99.93 01:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 01:26:01 0 0.52 0.00 0.02 0.00 0.00 99.47 01:26:01 1 0.03 0.00 0.05 0.00 0.00 99.92 01:26:01 2 0.03 0.00 0.03 0.00 0.00 99.93 01:26:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:27:01 all 0.15 0.00 0.04 0.00 0.00 99.80 01:27:01 0 0.53 0.00 0.05 0.00 0.00 99.42 01:27:01 1 0.07 0.00 0.05 0.00 0.02 99.87 01:27:01 2 0.03 0.00 0.02 0.00 0.00 99.95 01:27:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:28:01 all 0.17 0.00 0.05 0.00 0.00 99.78 01:28:01 0 0.52 0.00 0.03 0.00 0.00 99.45 01:28:01 1 0.05 0.00 0.08 0.00 0.00 99.87 01:28:01 2 0.07 0.00 0.05 0.00 0.00 99.88 01:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:29:01 all 0.55 0.00 0.25 0.56 0.00 98.63 01:29:01 0 0.93 0.00 0.27 0.58 0.00 98.22 01:29:01 1 0.30 0.00 0.30 0.55 0.00 98.85 01:29:01 2 0.45 0.00 0.23 0.30 0.00 99.02 01:29:01 3 0.53 0.00 0.22 0.83 0.00 98.41 Average: all 0.23 0.00 0.08 0.09 0.00 99.60 Average: 0 0.54 0.00 0.08 0.10 0.00 99.29 Average: 1 0.09 0.00 0.10 0.09 0.00 99.71 Average: 2 0.17 0.00 0.08 0.05 0.00 99.69 Average: 3 0.11 0.00 0.06 0.14 0.00 99.69