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diff --git a/doc/src/sgml/html/backup-manifest-wal-ranges.html b/doc/src/sgml/html/backup-manifest-wal-ranges.html new file mode 100644 index 0000000..a90263a --- /dev/null +++ b/doc/src/sgml/html/backup-manifest-wal-ranges.html @@ -0,0 +1,22 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>73.3. Backup Manifest WAL Range Object</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="backup-manifest-files.html" title="73.2. Backup Manifest File Object" /><link rel="next" href="appendixes.html" title="Part VIII. Appendixes" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">73.3. Backup Manifest WAL Range Object</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="backup-manifest-files.html" title="73.2. Backup Manifest File Object">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="backup-manifest-format.html" title="Chapter 73. Backup Manifest Format">Up</a></td><th width="60%" align="center">Chapter 73. Backup Manifest Format</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="appendixes.html" title="Part VIII. Appendixes">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="BACKUP-MANIFEST-WAL-RANGES"><div class="titlepage"><div><div><h2 class="title" style="clear: both">73.3. Backup Manifest WAL Range Object</h2></div></div></div><p> + The object which describes a WAL range always has three keys: + </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">Timeline</code></span></dt><dd><p> + The timeline for this range of WAL records, as an integer. + </p></dd><dt><span class="term"><code class="literal">Start-LSN</code></span></dt><dd><p> + The LSN at which replay must begin on the indicated timeline in order to + make use of this backup. The LSN is stored in the format normally used + by <span class="productname">PostgreSQL</span>; that is, it is a string + consisting of two strings of hexadecimal characters, each with a length + of between 1 and 8, separated by a slash. + </p></dd><dt><span class="term"><code class="literal">End-LSN</code></span></dt><dd><p> + The earliest LSN at which replay on the indicated timeline may end when + making use of this backup. This is stored in the same format as + <code class="literal">Start-LSN</code>. + </p></dd></dl></div><p> + Ordinarily, there will be only a single WAL range. However, if a backup is + taken from a standby which switches timelines during the backup due to an + upstream promotion, it is possible for multiple ranges to be present, each + with a different timeline. There will never be multiple WAL ranges present + for the same timeline. + </p></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="backup-manifest-files.html" title="73.2. Backup Manifest File Object">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="backup-manifest-format.html" title="Chapter 73. Backup Manifest Format">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="appendixes.html" title="Part VIII. Appendixes">Next</a></td></tr><tr><td width="40%" align="left" valign="top">73.2. Backup Manifest File Object </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> Part VIII. Appendixes</td></tr></table></div></body></html>
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