We use presto as the main data query engine to provide data query services for business parties. In our architecture, presto as a core capability requires access to data query permission control, including permission control at the table and column levels. We designed The following scheme to achieve this requirement
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We are now using Clickhouse for OLTP streaming computing system.
Read this PDF for some tips for MV of Clickhouse CK-MV[……]
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We created a project called LC (log center) for ops department
All member of ops are using this system for analyzing in a lower layer.
We collects[……]
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Copy table between different hbase clusters – Version 0.96.2-hadoop2
Create test table and initial some records.
$hbase shell
2014-12-19 15:01:[......]Read more