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1 | | -<!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.19 2002/09/06 20:08:06 momjian Exp $ --> |
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2 | 2 |
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3 | 3 | <chapter id="wal"> |
4 | 4 | <title>Write-Ahead Logging (<acronym>WAL</acronym>)</title> |
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303 | 303 |
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304 | 304 | <para> |
305 | 305 | There will be at least one 16MB segment file, and will normally |
306 | | - not be more than <varname>CHECKPOINT_SEGMENTS</varname>) |
| 306 | + not be more than <varname>CHECKPOINT_SEGMENTS</varname> |
307 | 307 | + 1 files. You can use this to estimate space requirements for |
308 | 308 | WAL. Ordinarily, when old log segment files are no longer needed, |
309 | 309 | they are recycled (renamed to become the next sequential future |
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