Peter Geoghegan's blog
Musings on PostgreSQL, database technology in general, and software development
Friday, March 22, 2019
Visualizing Postgres page images within GDB
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It's straightforward to set up GDB to quickly invoke pg_hexedit on a page image, without going through the filesystem. The page image ca...
Friday, May 18, 2018
Visualizing a column's space overhead using pg_hexedit
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pg_hexedit recently gained the ability to annotate the space taken up by each individual column/attribute within each individual tuple. Thi...
Monday, March 19, 2018
Decoding pg_filenode.map files with pg_filenodemapdata
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From time to time, you may need to figure out which file in a PostgreSQL data directory corresponds to a particular table or index in the da...
Monday, January 8, 2018
Exploring SP-GiST and BRIN indexes visually using pg_hexedit
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Support for both BRIN and SP-GiST access methods was recently added to pg_hexedit , the experimental hex editor framework for PostgreSQL r...
Friday, December 15, 2017
pg_hexedit now supports GiST, GIN, and hash indexes
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I've added several enhancements to pg_hexedit , the experimental hex editor toolkit that allows you to open up raw PostgreSQL relation f...
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