---> uname -a: Linux a4c602ee86c0 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 787 111 0 938 984 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 09/03/20 _x86_64_ (4 CPU) 21:59:01 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:01:01 24.17 5.63 18.54 0.00 1347.94 3546.12 0.00 22:02:01 0.65 0.08 0.57 0.00 1.60 10.87 0.00 22:03:01 0.22 0.00 0.22 0.00 0.00 2.02 0.00 22:04:01 0.37 0.00 0.37 0.00 0.00 5.58 0.00 22:05:01 280.62 165.92 114.70 0.00 7225.04 35574.59 0.00 22:06:01 222.54 86.85 135.69 0.00 4726.63 33302.98 0.00 Average: 88.10 43.08 45.02 0.00 2217.14 12075.40 0.00 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:01:01 194216 0 590856 31.40 2620 1093864 1122336 38.30 452340 1075724 20 22:02:01 203280 0 581648 30.91 2620 1094008 1073288 36.63 449176 1071232 8 22:03:01 200604 0 584320 31.06 2620 1094012 1073492 36.64 452220 1071028 8 22:04:01 200076 0 584848 31.08 2620 1094012 1073528 36.64 452560 1071028 8 22:05:01 208976 0 692576 36.81 2596 977408 1283908 43.82 572156 882796 36 22:06:01 238408 0 732064 38.91 1492 909592 1107900 37.81 607724 754068 20 Average: 207593 0 627719 33.36 2428 1043816 1122409 38.31 497696 987646 17 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:01:01 eth0 226.38 205.94 349.36 346.76 0.00 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 125.72 88.40 9.48 301.81 0.00 0.00 0.00 0.00 22:02:01 eth0 0.80 0.08 0.07 0.01 0.00 0.00 0.00 0.00 22:02:01 lo 0.00 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 0.00 22:03:01 eth0 1.00 0.48 0.32 0.21 0.00 0.00 0.00 0.00 22:03:01 lo 0.00 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 0.00 22:04:01 eth0 0.88 0.30 0.31 0.20 0.00 0.00 0.00 0.00 22:04:01 lo 0.00 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 0.00 22:05:01 eth0 195.72 150.87 4183.86 30.04 0.00 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 41.48 39.73 3.86 410.24 0.00 0.00 0.00 0.00 22:06:01 eth0 393.58 249.88 3765.82 86.24 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 26.78 32.41 1.59 198.91 0.00 0.00 0.00 0.00 Average: eth0 136.42 101.28 1383.48 77.26 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 32.34 26.76 2.49 151.85 0.00 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) 09/03/20 _x86_64_ (4 CPU) 21:59:01 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:01:01 all 3.96 0.00 1.65 0.42 0.02 93.95 22:01:01 0 4.36 0.00 2.01 0.05 0.02 93.56 22:01:01 1 4.58 0.00 1.72 0.38 0.02 93.30 22:01:01 2 3.33 0.00 1.34 0.12 0.02 95.20 22:01:01 3 3.58 0.00 1.52 1.14 0.02 93.74 22:02:01 all 0.13 0.00 0.05 0.00 0.00 99.81 22:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:02:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:02:01 3 0.43 0.00 0.10 0.02 0.00 99.45 22:03:01 all 0.06 0.00 0.03 0.00 0.00 99.91 22:03:01 0 0.08 0.00 0.03 0.00 0.00 99.88 22:03:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:03:01 2 0.05 0.00 0.02 0.00 0.00 99.93 22:03:01 3 0.07 0.00 0.03 0.00 0.00 99.90 22:04:01 all 0.07 0.00 0.04 0.00 0.00 99.89 22:04:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:04:01 1 0.03 0.00 0.05 0.00 0.00 99.92 22:04:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:04:01 3 0.20 0.00 0.05 0.00 0.00 99.75 22:05:01 all 8.44 0.00 5.06 2.56 0.03 83.91 22:05:01 0 7.37 0.00 4.87 2.25 0.02 85.49 22:05:01 1 9.14 0.00 5.27 1.57 0.03 83.99 22:05:01 2 8.14 0.00 5.17 3.34 0.02 83.33 22:05:01 3 9.10 0.00 4.94 3.08 0.03 82.84 22:06:01 all 11.57 0.00 7.86 2.69 0.04 77.84 22:06:01 0 10.80 0.00 7.30 1.40 0.05 80.45 22:06:01 1 13.88 0.00 9.18 3.72 0.03 73.19 22:06:01 2 10.27 0.00 7.31 4.69 0.05 77.68 22:06:01 3 11.31 0.00 7.68 0.95 0.02 80.04 Average: all 4.01 0.00 2.43 0.94 0.01 92.61 Average: 0 3.75 0.00 2.36 0.61 0.01 93.26 Average: 1 4.58 0.00 2.69 0.94 0.01 91.78 Average: 2 3.61 0.00 2.30 1.35 0.01 92.73 Average: 3 4.09 0.00 2.37 0.86 0.01 92.67