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ITS#3493 checkpoint clarification

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Howard Chu 2005-01-19 08:59:16 +00:00
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commit d1b6de1908
1 changed files with 9 additions and 1 deletions
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doc/man/man5/slapd-bdb.5
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@ -45,7 +45,15 @@ A checkpoint operation flushes the database buffers to disk and writes
a checkpoint record in the log.
The checkpoint will occur if either <kbyte> data has been written or
<min> minutes have passed since the last checkpoint.
Both arguments default to zero, in which case they are ignored.
Both arguments default to zero, in which case they are ignored. Note
that the checkpoint conditions are only tested after a write operation,
and not every <min> minutes. As such, data written within <min> minutes
of the last checkpoint will
.I not
get flushed until the next write operation happens after that interval.
Outstanding writes in this situation may not get flushed if the server
is shutdown uncleanly, and the database will need to be recovered before
the next startup.
See the Berkeley DB reference guide for more details.
.TP
.B dbnosync