---> uname -a: Linux fba2f2b5f569 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-399@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-399 ---> free -m: total used free shared buff/cache available Mem: 1837 680 131 0 1025 1051 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) 07/07/20 _x86_64_ (4 CPU) 00:06:13 LINUX RESTART 00:07:01 tps rtps wtps bread/s bwrtn/s 00:08:01 23.71 4.10 19.61 1200.40 3284.00 00:09:01 1.17 0.00 1.17 0.00 23.78 00:10:01 0.65 0.00 0.65 0.00 7.51 00:11:01 0.67 0.00 0.67 0.00 8.11 00:12:01 0.23 0.00 0.23 0.00 2.91 Average: 5.29 0.82 4.47 240.13 665.39 00:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:08:01 170432 1711124 90.94 2620 1113816 1098488 37.49 453180 1098040 12 00:09:01 174656 1706900 90.72 2620 1113820 1072128 36.59 452420 1095208 8 00:10:01 169620 1711936 90.99 2620 1113828 1072456 36.60 458044 1095204 8 00:11:01 168952 1712604 91.02 2620 1113828 1072192 36.59 458512 1094932 8 00:12:01 166376 1715180 91.16 2620 1113832 1072288 36.60 463124 1092872 16 Average: 170007 1711549 90.96 2620 1113825 1077510 36.77 457056 1095251 10 00:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:08:01 eth0 230.69 196.25 351.60 340.80 0.00 0.00 0.00 00:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:08:01 docker0 112.19 98.63 9.54 305.22 0.00 0.00 0.00 00:09:01 eth0 0.62 0.07 0.06 0.01 0.00 0.00 0.00 00:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:01 eth0 1.70 0.77 0.84 0.58 0.00 0.00 0.00 00:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 00:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 00:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.67 39.47 70.53 68.31 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.44 19.73 1.91 61.06 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) 07/07/20 _x86_64_ (4 CPU) 00:06:13 LINUX RESTART 00:07:01 CPU %user %nice %system %iowait %steal %idle 00:08:01 all 3.80 0.00 1.54 0.59 0.01 94.05 00:08:01 0 2.65 0.00 1.63 0.32 0.02 95.39 00:08:01 1 5.29 0.00 1.72 1.49 0.02 91.49 00:08:01 2 3.88 0.00 1.27 0.18 0.00 94.67 00:08:01 3 3.41 0.00 1.54 0.37 0.02 94.67 00:09:01 all 0.15 0.00 0.03 0.00 0.00 99.81 00:09:01 0 0.05 0.00 0.07 0.00 0.00 99.88 00:09:01 1 0.02 0.00 0.05 0.00 0.00 99.93 00:09:01 2 0.47 0.00 0.02 0.00 0.00 99.52 00:09:01 3 0.05 0.00 0.02 0.00 0.00 99.93 00:10:01 all 0.17 0.00 0.04 0.00 0.00 99.79 00:10:01 0 0.07 0.00 0.05 0.00 0.00 99.88 00:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:10:01 2 0.55 0.00 0.03 0.00 0.00 99.42 00:10:01 3 0.05 0.00 0.05 0.00 0.00 99.90 00:11:01 all 0.15 0.00 0.03 0.00 0.00 99.81 00:11:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:11:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:11:01 2 0.52 0.00 0.03 0.00 0.00 99.45 00:11:01 3 0.05 0.00 0.03 0.00 0.00 99.92 00:12:01 all 0.16 0.00 0.04 0.00 0.00 99.80 00:12:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:12:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:12:01 2 0.55 0.00 0.03 0.00 0.00 99.42 00:12:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.89 0.00 0.34 0.12 0.00 98.66 Average: 0 0.56 0.00 0.35 0.06 0.00 99.02 Average: 1 1.08 0.00 0.38 0.30 0.00 98.24 Average: 2 1.19 0.00 0.28 0.04 0.00 98.50 Average: 3 0.72 0.00 0.33 0.07 0.00 98.88