---> uname -a: Linux 722cb6b6e8fe 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-409 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-409@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 676 115 0 1045 1055 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) 07/15/20 _x86_64_ (4 CPU) 19:01:40 LINUX RESTART 19:02:02 tps rtps wtps bread/s bwrtn/s 19:03:01 129.02 44.47 84.54 7762.86 33695.53 19:04:01 2.46 0.00 2.46 0.00 58.78 19:05:01 0.47 0.00 0.47 0.00 7.73 19:06:01 0.22 0.00 0.22 0.00 2.17 19:07:01 0.28 0.00 0.28 0.00 3.25 19:08:01 86.52 59.51 27.00 5115.23 14263.63 Average: 36.25 17.26 18.99 2131.31 7935.91 19:02:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:03:01 222040 1659516 88.20 2620 1062452 1118220 38.16 445128 1055532 120 19:04:01 228520 1653036 87.85 2620 1062568 1079576 36.84 444488 1051452 16 19:05:01 227000 1654556 87.94 2620 1062572 1080052 36.86 446112 1051436 16 19:06:01 226540 1655016 87.96 2620 1062596 1080076 36.86 446272 1051440 12 19:07:01 227060 1654496 87.93 2620 1062580 1079848 36.85 449936 1047780 8 19:08:01 186528 1695028 90.09 2620 1038156 1294636 44.18 488352 1021188 16524 Average: 219615 1661941 88.33 2620 1058487 1122068 38.29 453381 1046471 2783 19:02:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:03:01 eth0 747.62 520.11 1686.31 425.01 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 108.18 89.45 9.37 307.75 0.00 0.00 0.00 19:04:01 eth0 1.18 0.08 0.11 0.01 0.00 0.00 0.00 19:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 1.35 0.83 0.62 0.64 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 0.55 0.28 0.27 0.23 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 90.49 60.68 2328.39 9.45 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 138.56 95.86 666.64 71.60 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.78 14.71 1.54 50.59 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) 07/15/20 _x86_64_ (4 CPU) 19:01:40 LINUX RESTART 19:02:02 CPU %user %nice %system %iowait %steal %idle 19:03:01 all 16.73 0.00 7.50 7.79 0.03 67.96 19:03:01 0 17.08 0.00 8.56 4.86 0.03 69.46 19:03:01 1 17.34 0.00 6.95 7.46 0.03 68.21 19:03:01 2 15.93 0.00 6.71 9.34 0.02 68.00 19:03:01 3 16.57 0.00 7.76 9.48 0.02 66.17 19:04:01 all 0.05 0.00 0.05 0.00 0.00 99.90 19:04:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:04:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:04:01 2 0.08 0.00 0.07 0.00 0.00 99.85 19:04:01 3 0.08 0.00 0.05 0.00 0.00 99.87 19:05:01 all 0.21 0.00 0.04 0.00 0.00 99.75 19:05:01 0 0.02 0.00 0.00 0.00 0.00 99.98 19:05:01 1 0.18 0.00 0.03 0.00 0.00 99.78 19:05:01 2 0.17 0.00 0.10 0.00 0.00 99.73 19:05:01 3 0.45 0.00 0.03 0.00 0.00 99.52 19:06:01 all 0.16 0.00 0.03 0.00 0.00 99.81 19:06:01 0 0.03 0.00 0.03 0.00 0.02 99.92 19:06:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:06:01 3 0.52 0.00 0.02 0.00 0.00 99.47 19:07:01 all 0.16 0.00 0.03 0.00 0.00 99.81 19:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:07:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:07:01 2 0.05 0.00 0.05 0.00 0.02 99.88 19:07:01 3 0.53 0.00 0.03 0.00 0.00 99.43 19:08:01 all 3.90 0.00 2.13 2.24 0.01 91.72 19:08:01 0 3.53 0.00 2.13 0.50 0.00 93.84 19:08:01 1 3.28 0.00 2.01 1.17 0.00 93.54 19:08:01 2 4.64 0.00 2.23 3.93 0.00 89.21 19:08:01 3 4.15 0.00 2.14 3.37 0.03 90.30 Average: all 3.47 0.00 1.60 1.64 0.01 93.27 Average: 0 3.39 0.00 1.76 0.88 0.01 93.96 Average: 1 3.43 0.00 1.49 1.41 0.01 93.66 Average: 2 3.43 0.00 1.51 2.18 0.01 92.87 Average: 3 3.66 0.00 1.64 2.10 0.01 92.59