How do you analyze the database performance and sign of trouble database? PostgreSQL provides many useful statistcs and DB activities via system views and cotrib modules. But it is difficult to understand detail information and see all of the database condition. Pg_statsinfo and pg_stats_reporter which were made by NTT Corporation are statistics reporting tools as open source software for DBA. They provide more useful statistics information and visual reporting. In this session, I introduce architecture, installation and use case about these tools.
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