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2012-11-14 21:35:20 +00:00
< p > Library Version 11.2.5.3< / p >
2011-09-13 17:44:24 +00:00
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< th colspan = "3" align = "center" > log_set_config< / th >
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< p >
Configures the Berkeley DB logging subsystem.
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The syntax of this parameter in the < a href = "../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class = "olink" > DB_CONFIG< / a > file is a
single line with the string
< code class = "literal" > log_set_config< / code > , one or more whitespace
characters, method < span class = "bold" > < strong > flag< / strong > < / span >
parameter as a string, optionally one or more whitespace
characters, and the string < code class = "literal" > on< / code > or
< code class = "literal" > off< / code > . If the optional string is
omitted, the default is < code class = "literal" > on.< / code >
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The method < span class = "bold" > < strong > flag< / strong > < / span > parameters are:
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DB_LOG_DIRECT
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Turns off system buffering of Berkeley DB log files to avoid double caching.
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DB_LOG_DSYNC
< p > Configures Berkeley DB to flush log writes to the backing disk before returning from the
write system call, rather than flushing log writes explicitly in a separate system call, as
necessary.< / p > < / li >
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< p > For more information, see < a class = "xref" href = "envlog_set_config.html" title = "DB_ENV->log_set_config()" > DB_ENV-> log_set_config()< / a > . < / p >
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