---> uname -a: Linux 5e5d7073789e 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: 2933.436 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-451@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-451 ---> free -m: total used free shared buff/cache available Mem: 1837 677 123 0 1036 1054 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) 08/18/20 _x86_64_ (4 CPU) 08:19:01 LINUX RESTART 08:20:01 tps rtps wtps bread/s bwrtn/s 08:21:01 12.07 5.13 6.94 1042.52 1314.40 08:22:01 0.40 0.00 0.40 0.00 7.23 08:23:01 0.18 0.00 0.18 0.00 1.92 08:24:01 0.37 0.00 0.37 0.00 3.73 08:25:01 0.27 0.00 0.27 0.00 4.25 08:26:01 0.50 0.18 0.32 12.65 4.76 Average: 2.30 0.89 1.41 175.92 222.78 08:20:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:21:01 208132 1673424 88.94 2620 1078028 1109320 37.86 460540 1054668 20 08:22:01 213688 1667868 88.64 2620 1078032 1072528 36.60 460012 1050576 8 08:23:01 212708 1668848 88.70 2620 1078040 1072732 36.61 461268 1050580 8 08:24:01 211168 1670388 88.78 2620 1078040 1072744 36.61 468648 1044504 16 08:25:01 209772 1671784 88.85 2620 1078044 1072600 36.61 477916 1037004 8 08:26:01 200836 1680720 89.33 2620 1078552 1074484 36.67 488544 1029948 100 Average: 209384 1672172 88.87 2620 1078123 1079068 36.83 469488 1044547 27 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:21:01 eth0 202.61 165.22 343.19 345.97 0.00 0.00 0.00 08:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 docker0 82.95 68.22 7.75 300.97 0.00 0.00 0.00 08:22:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 08:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 eth0 1.15 0.67 0.36 0.58 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.40 0.35 0.26 0.20 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 3.91 2.43 4.30 1.39 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 34.85 28.16 58.06 58.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.83 11.37 1.29 50.18 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) 08/18/20 _x86_64_ (4 CPU) 08:19:01 LINUX RESTART 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:21:01 all 2.98 0.00 1.16 0.09 0.03 95.75 08:21:01 0 2.15 0.00 1.34 0.18 0.02 96.31 08:21:01 1 1.72 0.00 1.02 0.02 0.02 97.22 08:21:01 2 3.70 0.00 0.95 0.03 0.02 95.29 08:21:01 3 4.32 0.00 1.29 0.13 0.05 94.21 08:22:01 all 0.03 0.00 0.03 0.00 0.00 99.93 08:22:01 0 0.02 0.00 0.03 0.00 0.02 99.93 08:22:01 1 0.05 0.00 0.02 0.00 0.02 99.92 08:22:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:22:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:23:01 all 0.12 0.00 0.02 0.00 0.00 99.85 08:23:01 0 0.38 0.00 0.02 0.00 0.00 99.60 08:23:01 1 0.05 0.00 0.02 0.00 0.00 99.93 08:23:01 2 0.05 0.00 0.02 0.00 0.02 99.92 08:23:01 3 0.02 0.00 0.03 0.00 0.02 99.93 08:24:01 all 0.14 0.00 0.04 0.00 0.00 99.82 08:24:01 0 0.13 0.00 0.02 0.00 0.00 99.85 08:24:01 1 0.10 0.00 0.05 0.00 0.00 99.85 08:24:01 2 0.30 0.00 0.07 0.00 0.00 99.63 08:24:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:25:01 all 0.11 0.00 0.06 0.00 0.00 99.82 08:25:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:25:01 1 0.05 0.00 0.03 0.00 0.02 99.90 08:25:01 2 0.35 0.00 0.15 0.00 0.00 99.50 08:25:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:26:01 all 0.23 0.00 0.12 0.00 0.00 99.64 08:26:01 0 0.18 0.00 0.18 0.02 0.00 99.62 08:26:01 1 0.07 0.00 0.08 0.00 0.00 99.85 08:26:01 2 0.60 0.00 0.17 0.00 0.00 99.23 08:26:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 0.60 0.00 0.24 0.02 0.01 99.14 Average: 0 0.48 0.00 0.27 0.03 0.01 99.21 Average: 1 0.34 0.00 0.20 0.00 0.01 99.45 Average: 2 0.84 0.00 0.23 0.01 0.01 98.92 Average: 3 0.74 0.00 0.24 0.02 0.01 98.99