---> uname -a: Linux b336a17a6905 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-378 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-378@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 694 128 0 1013 1037 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) 06/05/20 _x86_64_ (4 CPU) 22:23:54 LINUX RESTART 22:25:01 tps rtps wtps bread/s bwrtn/s 22:26:01 1.68 0.00 1.68 0.00 35.51 22:27:01 0.43 0.00 0.43 0.00 5.85 22:28:02 0.25 0.00 0.25 0.00 3.28 22:29:01 0.29 0.00 0.29 0.00 4.12 22:30:01 0.30 0.00 0.30 0.00 4.43 22:31:01 0.25 0.02 0.23 0.13 2.07 22:32:01 0.32 0.00 0.32 0.00 3.68 Average: 0.50 0.00 0.50 0.02 8.43 22:25:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:26:01 171836 1709720 90.87 2620 1101192 1079080 36.83 468516 1082200 16 22:27:01 170300 1711256 90.95 2620 1101196 1079080 36.83 470692 1081712 8 22:28:02 168952 1712604 91.02 2620 1101204 1079384 36.84 472164 1081716 8 22:29:01 165116 1716440 91.22 2620 1101204 1079396 36.84 480388 1077280 8 22:30:01 166084 1715472 91.17 2620 1101208 1079216 36.83 486440 1070132 8 22:31:01 166152 1715404 91.17 2620 1101220 1079204 36.83 486384 1070132 8 22:32:01 165784 1715772 91.19 2620 1101224 1079288 36.83 486896 1070132 8 Average: 167746 1713810 91.08 2620 1101207 1079235 36.83 478783 1076186 9 22:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:26:01 eth0 0.08 0.10 0.01 0.02 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 0.57 0.08 0.06 0.01 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:02 eth0 1.12 0.47 0.35 0.21 0.00 0.00 0.00 22:28:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 0.56 0.42 0.28 0.21 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 0.22 0.15 0.08 0.07 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 eth0 0.68 0.18 0.12 0.01 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 0.45 0.33 0.26 0.20 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.52 0.25 0.16 0.10 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) 06/05/20 _x86_64_ (4 CPU) 22:23:54 LINUX RESTART 22:25:01 CPU %user %nice %system %iowait %steal %idle 22:26:01 all 0.16 0.00 0.03 0.00 0.00 99.80 22:26:01 0 0.02 0.00 0.05 0.00 0.00 99.93 22:26:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:26:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:26:01 3 0.57 0.00 0.03 0.00 0.00 99.40 22:27:01 all 0.16 0.00 0.02 0.00 0.00 99.82 22:27:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:27:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:27:01 2 0.50 0.00 0.00 0.00 0.00 99.50 22:27:01 3 0.07 0.00 0.02 0.00 0.00 99.92 22:28:02 all 0.16 0.00 0.02 0.00 0.00 99.82 22:28:02 0 0.03 0.00 0.02 0.00 0.00 99.95 22:28:02 1 0.03 0.00 0.02 0.00 0.00 99.95 22:28:02 2 0.53 0.00 0.03 0.00 0.00 99.43 22:28:02 3 0.02 0.00 0.02 0.00 0.00 99.97 22:29:01 all 0.16 0.00 0.02 0.00 0.00 99.82 22:29:01 0 0.05 0.00 0.03 0.00 0.02 99.90 22:29:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:29:01 2 0.54 0.00 0.00 0.00 0.00 99.46 22:29:01 3 0.03 0.00 0.03 0.00 0.02 99.92 22:30:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:30:01 1 0.05 0.00 0.02 0.00 0.00 99.93 22:30:01 2 0.43 0.00 0.03 0.00 0.02 99.52 22:30:01 3 0.05 0.00 0.05 0.00 0.00 99.90 22:31:01 all 0.05 0.00 0.02 0.00 0.00 99.93 22:31:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:31:01 1 0.02 0.00 0.00 0.00 0.00 99.98 22:31:01 2 0.13 0.00 0.05 0.00 0.00 99.82 22:31:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:32:01 all 0.17 0.00 0.02 0.00 0.00 99.80 22:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:32:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:32:01 2 0.53 0.00 0.00 0.00 0.00 99.47 22:32:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.14 0.00 0.02 0.00 0.00 99.83 Average: 0 0.03 0.00 0.03 0.00 0.00 99.94 Average: 1 0.04 0.00 0.02 0.00 0.00 99.94 Average: 2 0.39 0.00 0.02 0.00 0.00 99.59 Average: 3 0.11 0.00 0.03 0.00 0.00 99.85