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Proposed doc-patch: Identifying the Current WAL file
- From: Richard Huxton <dev(at)archonet(dot)com>
- To: pgsql-docs-owner(at)postgresql(dot)org
- Subject: Proposed doc-patch: Identifying the Current WAL file
- Date: Wed, 12 Apr 2006 10:02:49 +0100
Reading Tom's posting here: http://archives.postgresql.org/pgsql-general/2006-04/msg00499.phpI just realised we don't seem to mention this in the docs anywhere. I propose adding a short paragraph to 23.3.1
http://www.postgresql.org/docs/8.1/static/backup-online.html#BACKUP-ONLINE-CAVEATSAfter "Except in the case of retrying a failure, it will be called only once for any given file name."
To identify the current, partially-filled WAL segment, sort first by mtime and second by file name. That is, take the latest mtime among the
properly-named files, breaking ties by taking the higher filename. -- Richard Huxton Archonet Ltd
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