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1 | | -<!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.18 2002/08/30 16:53:34 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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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 |
310 | 310 | segments). If, due to a short-term peak of log output rate, there |
311 | | - are more than <varname>CHECKPOINT_SEGMENTS</varname>) + 1 segment files, |
| 311 | + are more than <varname>CHECKPOINT_SEGMENTS</varname> + 1 segment files, |
312 | 312 | the unneeded segment files will be deleted instead of recycled until the |
313 | 313 | system gets back under this limit. |
314 | 314 | </para> |
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