---> uname -a: Linux 4a89e73bcc80 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-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 668 117 0 1052 1062 Swap: 1023 0 1023 ---> 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) 07/14/20 _x86_64_ (4 CPU) 07:46:19 LINUX RESTART 07:47:01 tps rtps wtps bread/s bwrtn/s 07:48:01 46.64 11.11 35.53 4497.77 3399.23 07:49:01 1.58 0.00 1.58 0.00 30.57 07:50:01 0.33 0.00 0.33 0.00 3.81 07:51:01 0.23 0.00 0.23 0.00 3.50 Average: 12.20 2.78 9.42 1124.58 859.39 07:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:48:01 205344 1676212 89.09 2620 1100344 1100632 37.56 439500 1076532 20 07:49:01 209216 1672340 88.88 2620 1100360 1071508 36.57 440964 1072476 8 07:50:01 207352 1674204 88.98 2620 1100368 1071496 36.57 443504 1071820 8 07:51:01 205820 1675736 89.06 2620 1100368 1071472 36.57 445292 1071224 12 Average: 206933 1674623 89.00 2620 1100360 1078777 36.82 442315 1073013 12 07:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:48:01 eth0 354.70 289.49 788.56 370.16 0.00 0.00 0.00 07:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 docker0 129.94 96.37 10.23 305.42 0.00 0.00 0.00 07:49:01 eth0 1.02 0.45 0.30 0.21 0.00 0.00 0.00 07:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 eth0 0.72 0.42 0.29 0.18 0.00 0.00 0.00 07:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 eth0 1.23 0.37 0.34 0.23 0.00 0.00 0.00 07:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 89.43 72.69 197.40 92.71 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 32.49 24.10 2.56 76.36 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) 07/14/20 _x86_64_ (4 CPU) 07:46:19 LINUX RESTART 07:47:01 CPU %user %nice %system %iowait %steal %idle 07:48:01 all 5.23 0.00 2.20 1.75 0.01 90.81 07:48:01 0 5.52 0.00 2.40 2.16 0.00 89.92 07:48:01 1 4.57 0.00 2.04 0.28 0.02 93.08 07:48:01 2 6.91 0.00 2.13 2.88 0.00 88.09 07:48:01 3 3.89 0.00 2.23 1.68 0.00 92.21 07:49:01 all 0.14 0.00 0.04 0.00 0.00 99.82 07:49:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:49:01 1 0.47 0.00 0.05 0.00 0.00 99.48 07:49:01 2 0.02 0.00 0.05 0.00 0.00 99.93 07:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 07:50:01 all 0.14 0.00 0.04 0.00 0.00 99.82 07:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 07:50:01 1 0.45 0.00 0.03 0.00 0.00 99.52 07:50:01 2 0.07 0.00 0.07 0.00 0.02 99.85 07:50:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:51:01 all 0.15 0.00 0.03 0.00 0.00 99.82 07:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:51:01 1 0.53 0.00 0.03 0.00 0.00 99.43 07:51:01 2 0.07 0.00 0.05 0.00 0.00 99.88 07:51:01 3 0.00 0.00 0.02 0.00 0.00 99.98 Average: all 1.41 0.00 0.57 0.44 0.00 97.58 Average: 0 1.39 0.00 0.62 0.54 0.00 97.45 Average: 1 1.50 0.00 0.54 0.07 0.00 97.89 Average: 2 1.76 0.00 0.57 0.72 0.00 96.95 Average: 3 0.98 0.00 0.58 0.42 0.00 98.02