---> uname -a: Linux 71ba9a5e64c8 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: 2933.442 BogoMIPS: 5866.88 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-419 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-419@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 714 125 0 997 1022 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) 07/24/20 _x86_64_ (4 CPU) 17:00:30 LINUX RESTART 17:01:01 tps rtps wtps bread/s bwrtn/s 17:02:01 75.72 28.65 47.07 6592.75 6573.94 17:03:01 1.58 0.00 1.58 0.00 29.16 17:04:01 0.27 0.00 0.27 0.00 3.76 17:05:01 0.32 0.00 0.32 0.00 4.08 17:06:01 0.15 0.00 0.15 0.00 2.35 17:07:01 1.78 1.47 0.32 35.31 4.55 Average: 13.31 5.02 8.29 1105.59 1103.89 17:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:02:01 207956 1673600 88.95 2620 1069616 1118768 38.18 480852 1034260 120 17:03:01 214596 1666960 88.59 2620 1069552 1071620 36.57 479024 1030560 20 17:04:01 211404 1670152 88.76 2620 1069556 1071872 36.58 482580 1030548 12 17:05:01 209652 1671904 88.86 2620 1069556 1071976 36.58 484432 1029932 20 17:06:01 209720 1671836 88.85 2620 1069564 1071988 36.59 499984 1014592 12 17:07:01 204612 1676944 89.13 2620 1070308 1074944 36.69 505948 1012416 16 Average: 209657 1671899 88.86 2620 1069692 1080195 36.87 488803 1025385 33 17:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:02:01 eth0 754.68 502.06 1640.39 409.11 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 107.00 93.89 8.85 301.92 0.00 0.00 0.00 17:03:01 eth0 0.93 0.08 0.07 0.04 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 eth0 2.10 0.67 0.65 0.37 0.00 0.00 0.00 17:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 eth0 1.43 0.60 0.60 0.43 0.00 0.00 0.00 17:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 eth0 0.40 0.35 0.26 0.20 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 126.74 84.06 273.91 68.43 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.85 15.66 1.48 50.36 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) 07/24/20 _x86_64_ (4 CPU) 17:00:30 LINUX RESTART 17:01:01 CPU %user %nice %system %iowait %steal %idle 17:02:01 all 15.57 0.00 4.81 2.14 0.03 77.45 17:02:01 0 14.14 0.00 5.22 0.79 0.02 79.84 17:02:01 1 15.16 0.00 4.60 2.32 0.05 77.87 17:02:01 2 16.07 0.00 4.31 0.45 0.05 79.12 17:02:01 3 16.89 0.00 5.11 5.01 0.02 72.97 17:03:01 all 0.14 0.00 0.05 0.00 0.00 99.81 17:03:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:03:01 1 0.47 0.00 0.07 0.00 0.00 99.47 17:03:01 2 0.02 0.00 0.03 0.00 0.00 99.95 17:03:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:04:01 all 0.15 0.00 0.03 0.00 0.00 99.81 17:04:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:04:01 1 0.55 0.00 0.02 0.00 0.00 99.43 17:04:01 2 0.05 0.00 0.07 0.00 0.00 99.88 17:04:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:05:01 all 0.11 0.00 0.04 0.00 0.00 99.85 17:05:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:05:01 1 0.32 0.00 0.08 0.00 0.00 99.60 17:05:01 2 0.08 0.00 0.03 0.00 0.00 99.88 17:05:01 3 0.02 0.00 0.00 0.00 0.00 99.98 17:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:06:01 1 0.18 0.00 0.12 0.00 0.00 99.70 17:06:01 2 0.03 0.00 0.02 0.00 0.00 99.95 17:06:01 3 0.43 0.00 0.05 0.00 0.00 99.52 17:07:01 all 0.15 0.01 0.10 0.04 0.00 99.69 17:07:01 0 0.02 0.02 0.08 0.03 0.00 99.85 17:07:01 1 0.05 0.02 0.12 0.07 0.00 99.75 17:07:01 2 0.03 0.00 0.13 0.05 0.00 99.78 17:07:01 3 0.53 0.00 0.08 0.00 0.00 99.38 Average: all 2.70 0.00 0.84 0.36 0.01 96.09 Average: 0 2.36 0.00 0.90 0.14 0.00 96.60 Average: 1 2.77 0.00 0.83 0.40 0.01 96.00 Average: 2 2.70 0.00 0.76 0.08 0.01 96.44 Average: 3 2.97 0.00 0.88 0.83 0.00 95.32