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How to Dump Database Tables into Files to Speed Up Queries with esProc
- esProc can help improve query performance by exporting database data into files for subsequent computation.
- The article discusses a MySQL database containing the orders_30m table with 30 million rows of historical order data.
- Using esProc, data can be exported to files like BTX or CTX for faster query processing.
- Exporting data to BTX reduced query time from 17.69 seconds to 5.319 seconds, outperforming MySQL.
- CTC files offer higher compression ratios and can further optimize query performance compared to BTX files.
- Parallel computation using esProc with BTX or CTX files can significantly reduce query execution times.
- esProc simplifies complex operations like TopN queries and offers concise and elegant syntax for faster processing.
- Dumping data into files with esProc is recommended for static historical data analysis, providing significant speed advantages over traditional databases.
- File-based approaches can be several to dozens of times faster than database queries, making them suitable for specific scenarios.
- esProc offers mixed computation capabilities for processing new data scenarios beyond file exports.
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