Wal

New WAL format in PostgreSQL 9.5

This post is a part of my document.

The XLOG data format has changed in version 9.5.


WAL segment Management in PostgreSQL 9.5

This post is a part of my document.

In version 9.5, management policy for WAL segment files has improved. PostgreSQL 9.5 always holds the appropriate number of WAL files in pg_xlog depending on server activity.