---> uname -a: Linux 83cc517659fd 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: 2933.396 BogoMIPS: 5866.79 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-383 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-383@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 670 117 0 1049 1061 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) 06/17/20 _x86_64_ (4 CPU) 14:00:55 LINUX RESTART 14:02:01 tps rtps wtps bread/s bwrtn/s 14:03:01 2.33 0.00 2.33 0.00 52.83 14:04:01 0.43 0.00 0.43 0.00 6.23 14:05:01 0.35 0.00 0.35 0.00 5.35 14:06:01 0.20 0.00 0.20 0.00 1.88 14:07:01 0.30 0.00 0.30 0.00 4.76 14:08:02 167.07 114.93 52.14 8397.27 19943.93 Average: 28.46 19.16 9.30 1400.17 3337.31 14:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:03:01 194820 1686736 89.65 2620 1103096 1096788 37.43 453024 1073468 16 14:04:01 195380 1686176 89.62 2620 1103100 1079312 36.83 454600 1071912 8 14:05:01 190256 1691300 89.89 2620 1103108 1079592 36.84 460044 1071912 8 14:06:01 190120 1691436 89.90 2620 1103108 1079376 36.84 460536 1071312 8 14:07:01 189592 1691964 89.92 2620 1103112 1079460 36.84 478072 1054348 8 14:08:02 119876 1761680 93.63 2620 1072044 1236500 42.20 540268 1018936 296 Average: 180007 1701549 90.43 2620 1097928 1108505 37.83 474424 1060315 57 14:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:03:01 eth0 35.56 19.09 6.75 105.50 0.00 0.00 0.00 14:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 eth0 0.78 0.10 0.08 0.01 0.00 0.00 0.00 14:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 eth0 1.50 0.75 0.61 0.38 0.00 0.00 0.00 14:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 eth0 0.10 0.10 0.01 0.04 0.00 0.00 0.00 14:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 14:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:02 vethc3e32f2 0.22 0.28 0.39 0.10 0.00 0.00 0.00 14:08:02 eth0 933.19 661.78 4047.55 439.11 0.00 0.00 0.00 14:08:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:08:02 docker0 122.29 96.34 10.72 308.69 0.00 0.00 0.00 Average: vethc3e32f2 0.04 0.05 0.07 0.02 0.00 0.00 0.00 Average: eth0 155.60 110.35 674.89 73.22 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.39 16.06 1.79 51.47 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) 06/17/20 _x86_64_ (4 CPU) 14:00:55 LINUX RESTART 14:02:01 CPU %user %nice %system %iowait %steal %idle 14:03:01 all 0.47 0.00 0.09 0.00 0.00 99.44 14:03:01 0 0.23 0.00 0.05 0.00 0.00 99.72 14:03:01 1 0.68 0.00 0.07 0.00 0.00 99.25 14:03:01 2 0.78 0.00 0.10 0.00 0.00 99.12 14:03:01 3 0.20 0.00 0.12 0.00 0.00 99.68 14:04:01 all 0.14 0.00 0.03 0.00 0.00 99.83 14:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:04:01 1 0.47 0.00 0.03 0.00 0.00 99.50 14:04:01 2 0.02 0.00 0.03 0.00 0.00 99.95 14:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:05:01 all 0.14 0.00 0.03 0.00 0.00 99.83 14:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:05:01 1 0.45 0.00 0.02 0.00 0.00 99.53 14:05:01 2 0.05 0.00 0.05 0.00 0.00 99.90 14:05:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:06:01 all 0.15 0.00 0.02 0.00 0.00 99.83 14:06:01 0 0.02 0.00 0.03 0.00 0.00 99.95 14:06:01 1 0.50 0.00 0.02 0.00 0.00 99.48 14:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 14:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:07:01 all 0.13 0.00 0.03 0.00 0.00 99.84 14:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:07:01 1 0.42 0.00 0.02 0.00 0.00 99.57 14:07:01 2 0.05 0.00 0.07 0.00 0.00 99.88 14:07:01 3 0.02 0.00 0.03 0.00 0.00 99.95 14:08:02 all 5.83 0.00 2.87 2.55 0.00 88.75 14:08:02 0 5.28 0.00 2.55 0.54 0.00 91.63 14:08:02 1 6.97 0.00 3.18 4.57 0.00 85.27 14:08:02 2 6.44 0.00 3.05 3.23 0.02 87.26 14:08:02 3 4.65 0.00 2.68 1.83 0.02 90.82 Average: all 1.14 0.00 0.51 0.42 0.00 97.93 Average: 0 0.93 0.00 0.45 0.09 0.00 98.53 Average: 1 1.58 0.00 0.55 0.76 0.00 97.11 Average: 2 1.23 0.00 0.55 0.54 0.00 97.68 Average: 3 0.82 0.00 0.48 0.30 0.00 98.40