---> uname -a: Linux 9f23f1efee6f 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% /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 671 124 0 1041 1060 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) 08/28/20 _x86_64_ (4 CPU) 15:11:30 LINUX RESTART 15:12:02 tps rtps wtps bread/s bwrtn/s 15:13:01 96.12 43.96 52.17 7813.27 6834.85 15:14:01 1.91 0.00 1.91 0.00 33.38 15:15:01 0.58 0.00 0.58 0.00 7.83 15:16:02 0.17 0.00 0.17 0.00 1.33 15:17:01 0.15 0.00 0.15 0.00 1.69 15:18:01 0.45 0.00 0.45 0.00 6.74 15:19:01 152.06 102.56 49.50 7284.58 18964.22 Average: 35.87 20.93 14.94 2149.00 3694.77 15:12:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:13:01 187464 1694092 90.04 2620 1105512 1134928 38.73 436880 1097608 120 15:14:01 194872 1686684 89.64 2620 1105700 1079900 36.86 434356 1094116 8 15:15:01 189472 1692084 89.93 2620 1105708 1080128 36.86 439892 1094036 12 15:16:02 187428 1694128 90.04 2620 1105708 1079236 36.83 442356 1093428 20 15:17:01 188348 1693208 89.99 2620 1105712 1078876 36.82 446640 1088312 12 15:18:01 188212 1693344 90.00 2620 1105720 1078948 36.82 447044 1088288 8 15:19:01 88508 1793048 95.30 2620 1116564 1276064 43.55 487224 1096380 10172 Average: 174901 1706655 90.70 2620 1107232 1115440 38.07 447770 1093167 1479 15:12:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:13:01 eth0 662.02 480.06 1684.02 414.04 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 97.87 83.43 8.15 306.88 0.00 0.00 0.00 15:14:01 eth0 0.57 0.08 0.04 0.01 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 2.06 1.37 2.87 0.27 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:02 eth0 5.28 4.86 0.60 9.50 0.00 0.00 0.00 15:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 0.33 0.28 0.14 0.08 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 101.93 66.30 2334.32 11.61 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 109.31 78.26 573.42 61.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.82 11.78 1.15 43.33 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) 08/28/20 _x86_64_ (4 CPU) 15:11:30 LINUX RESTART 15:12:02 CPU %user %nice %system %iowait %steal %idle 15:13:01 all 15.53 0.00 6.43 2.55 0.03 75.46 15:13:01 0 18.16 0.00 7.36 5.23 0.05 69.21 15:13:01 1 16.60 0.00 6.03 0.90 0.02 76.45 15:13:01 2 13.56 0.00 5.73 2.28 0.02 78.41 15:13:01 3 13.77 0.00 6.62 1.80 0.03 77.77 15:14:01 all 0.17 0.00 0.05 0.00 0.00 99.78 15:14:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:14:01 1 0.05 0.00 0.07 0.00 0.00 99.88 15:14:01 2 0.10 0.00 0.07 0.00 0.00 99.83 15:14:01 3 0.50 0.00 0.03 0.00 0.00 99.47 15:15:01 all 0.17 0.00 0.05 0.00 0.00 99.78 15:15:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:15:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:15:01 2 0.08 0.00 0.08 0.00 0.00 99.83 15:15:01 3 0.50 0.00 0.07 0.00 0.00 99.43 15:16:02 all 0.22 0.00 0.06 0.00 0.00 99.72 15:16:02 0 0.10 0.00 0.05 0.00 0.00 99.85 15:16:02 1 0.13 0.00 0.07 0.00 0.00 99.80 15:16:02 2 0.12 0.00 0.08 0.00 0.00 99.80 15:16:02 3 0.50 0.00 0.03 0.00 0.02 99.45 15:17:01 all 0.04 0.00 0.06 0.00 0.00 99.90 15:17:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:17:01 1 0.05 0.00 0.03 0.00 0.02 99.90 15:17:01 2 0.07 0.00 0.07 0.00 0.02 99.85 15:17:01 3 0.03 0.00 0.08 0.00 0.00 99.88 15:18:01 all 0.13 0.00 0.06 0.00 0.00 99.80 15:18:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:18:01 1 0.45 0.00 0.05 0.00 0.00 99.50 15:18:01 2 0.05 0.00 0.07 0.00 0.00 99.88 15:18:01 3 0.02 0.00 0.13 0.00 0.00 99.85 15:19:01 all 5.23 0.00 3.16 1.68 0.02 89.91 15:19:01 0 5.09 0.00 3.11 2.06 0.02 89.72 15:19:01 1 5.36 0.00 3.38 3.00 0.02 88.25 15:19:01 2 5.53 0.00 3.79 1.39 0.00 89.29 15:19:01 3 4.95 0.00 2.40 0.25 0.02 92.39 Average: all 3.03 0.00 1.39 0.60 0.01 94.97 Average: 0 3.31 0.00 1.50 1.03 0.01 94.16 Average: 1 3.21 0.00 1.37 0.56 0.01 94.86 Average: 2 2.75 0.00 1.40 0.52 0.00 95.33 Average: 3 2.86 0.00 1.32 0.29 0.01 95.52