---> uname -a: Linux cf7c1f1d1c8a 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-407@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-407 ---> free -m: total used free shared buff/cache available Mem: 1837 637 120 0 1079 1095 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) 07/30/20 _x86_64_ (4 CPU) 21:58:14 LINUX RESTART 21:59:01 tps rtps wtps bread/s bwrtn/s 22:00:01 49.10 12.39 36.71 4596.34 3988.30 22:01:01 1.62 0.05 1.57 0.67 27.21 22:02:01 0.43 0.08 0.35 1.60 6.49 22:03:01 0.32 0.00 0.32 0.00 4.86 22:04:01 0.15 0.00 0.15 0.00 1.97 22:05:01 0.35 0.00 0.35 0.00 4.96 22:06:01 37.20 36.85 0.35 3794.97 9.23 Average: 12.74 7.05 5.69 1199.28 577.71 21:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:01 227500 1654056 87.91 2620 1099196 1117616 38.14 410884 1084400 28 22:01:01 230472 1651084 87.75 2620 1099144 1092544 37.29 411288 1080980 8 22:02:01 232092 1649464 87.66 2620 1099288 1074444 36.67 413784 1077564 8 22:03:01 230756 1650800 87.74 2620 1099288 1074468 36.67 415768 1076896 8 22:04:01 231668 1649888 87.69 2620 1099296 1074348 36.67 423120 1068748 16 22:05:01 230324 1651232 87.76 2620 1099300 1074432 36.67 424524 1068748 8 22:06:01 87356 1794200 95.36 2620 1213372 1110916 37.91 445956 1184024 20 Average: 210024 1671532 88.84 2620 1115555 1088395 37.14 420761 1091623 14 21:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:00:01 eth0 345.05 274.19 799.17 370.78 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 108.26 89.48 8.85 302.24 0.00 0.00 0.00 22:01:01 eth0 1.22 0.37 0.33 0.20 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 eth0 0.93 0.37 0.31 0.17 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 eth0 0.50 0.33 0.27 0.23 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:01 eth0 0.82 0.20 0.18 0.07 0.00 0.00 0.00 22:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 eth0 0.70 0.40 0.29 0.21 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 eth0 7.59 4.70 7.94 2.62 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.98 40.09 115.53 53.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.47 12.79 1.26 43.19 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) 07/30/20 _x86_64_ (4 CPU) 21:58:14 LINUX RESTART 21:59:01 CPU %user %nice %system %iowait %steal %idle 22:00:01 all 5.15 0.00 2.09 2.06 0.02 90.67 22:00:01 0 4.45 0.00 2.06 1.21 0.02 92.26 22:00:01 1 5.59 0.00 1.87 1.39 0.02 91.13 22:00:01 2 5.77 0.00 1.97 1.42 0.02 90.81 22:00:01 3 4.81 0.00 2.45 4.22 0.02 88.51 22:01:01 all 0.15 0.00 0.04 0.00 0.00 99.82 22:01:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:01:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:01:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:01:01 3 0.48 0.00 0.07 0.00 0.00 99.45 22:02:01 all 0.16 0.00 0.04 0.00 0.00 99.79 22:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 3 0.53 0.00 0.03 0.02 0.00 99.42 22:03:01 all 0.13 0.00 0.02 0.00 0.00 99.85 22:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:03:01 1 0.08 0.00 0.02 0.00 0.00 99.90 22:03:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:03:01 3 0.42 0.00 0.03 0.00 0.00 99.55 22:04:01 all 0.15 0.00 0.03 0.00 0.00 99.81 22:04:01 0 0.02 0.00 0.07 0.00 0.00 99.92 22:04:01 1 0.48 0.00 0.02 0.00 0.00 99.50 22:04:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:05:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:05:01 0 0.02 0.00 0.10 0.00 0.00 99.88 22:05:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:05:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:05:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:06:01 all 0.60 0.00 0.26 0.88 0.00 98.26 22:06:01 0 0.37 0.00 0.22 0.40 0.00 99.02 22:06:01 1 0.80 0.00 0.28 1.92 0.00 97.00 22:06:01 2 0.25 0.00 0.20 0.20 0.00 99.35 22:06:01 3 1.00 0.00 0.35 0.98 0.00 97.66 Average: all 0.93 0.00 0.36 0.42 0.00 98.29 Average: 0 0.70 0.00 0.36 0.23 0.00 98.71 Average: 1 1.07 0.00 0.32 0.47 0.00 98.13 Average: 2 0.89 0.00 0.33 0.23 0.00 98.55 Average: 3 1.04 0.00 0.43 0.74 0.00 97.78