OLAP-ClickHouse

Real-time Big Data Analytics Solution – 1

To create a real-time data analytics dashboard is definitely a change, especially in big data environment. It includes several tricky steps: real-time data ingestion, real-time data cleaning/merging and real-time data visualization. We did a satisfactory solutions evaluation on a near real-time data streaming/analyzing environment by using some cutting-edge techniques. This series of articles will explain …

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Migrate Data to ClickHouse

ClickHouse (CH) definitely has data source integration pipeline to other data sources: RDBS, Cloud storage (for example S3), Kafka, JDBC-based, or Hive etc.. but one of our projects require to migrate historical data from Hive(HDFS) based data warehouse into ClickHouse. Reference: ClickHouse migration documents (https://clickhouse.com/docs/en/cloud/migration/clickhouse-local) Step 1, Create ClickHouse Target Table. Unlike some RDBS systems, …

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