Benchmarking with FLExible Network Tester (Flent)

I have to search for some tools to test the network like get the throughput and latency of the network. But I find it hard because of data output from tools like iperf3 outputting raw data and some trouble to test the latency because they need background traffic.

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IoT Monitoring with InfluxDB, MQTT, and Grafana

Tutorial ini merupakan tutorial untuk mengambil data dari IoT sensor dan menampilkannya pada Grafana dashboard.

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Building Open vSwitch 2.11.1

I have some project with OpenStack which need Open vSwitch 2.11.1 to enable Open Virtual Network. I build the software in Centos 7.

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Creating Elasticsearch Cluster

Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java. This tutorial guides you on how to build the cluster.

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Setup Grafana for high availability

This tutorial is setup Grafana cluster with Stateless sessions as a recommended session by official docs. We have 3 servers:

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Install Hadoop single node cluster in Pseudo Distributed Mode

We will install HDFS (Namenode and Datanode), YARN, MapReduce on the single node cluster in Pseudo Distributed Mode which is distributed simulation on a single machine ubuntu 18.04 server . Each Hadoop daemon such as hdfs, yarn, mapreduce etc. will run as a separate/individual java process.

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Trying Vitess in kubernetes

Vitess is a database clustering system for horizontal scaling of MySQL, Vitess has been youtube database since 2011. Some requirement:

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OpenVSwitch with DPDK Enabled

masing-masing versi OpenVSwitch menyarankan untuk menggunakan versi DPDK yang berbeda pula. silahkan di cek di github openvswitch.

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Integrasi GlusterFS dengan Kubernetes

Dynamic Volume Provisioning adalah konsep dimana kita bisa membuat dan menghapus volume on-demand. Yang gampangnya adalah saat kita membuat PVC, konsep ini akan otomatis membuat volume dan PV. Saat kita menghapus PVC, maka kubernetes akan otomatis menghapus PV dan volumenya.

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Docker private Registry use self-signed certificates

Private registry adalah tempat penyimpanan image docker secara internal sehingga image tidak harus ditambahkan ke hub.docker.com

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