sm_config_info_t Struct Reference

List of all members.

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Detailed Description

Configuration Information.

The method ss_m::config_info lets a server to pick up some useful configuration information from the storage manager. Several of these data depend on the compile-time page size; some depend on run-time options.

Examples:

create_rec.cpp, log_exceed.cpp, sort_stream.cpp, and vtable_example.cpp.

Definition at line 179 of file smstats.h.

Public Attributes
u_long	page_size
	compile-time constant. Settable in
u_long	max_small_rec
	Maximum size of the first small record on a page.
u_long	lg_rec_page_space
	Data space available on a page of a large record.
u_long	buffer_pool_size
	Size in KB of buffer pool.
u_long	max_btree_entry_size
	Largest permissible size in bytes of an index entry (key,value pair).
u_long	exts_on_page
	Number of extent links on an extent page.
u_long	pages_per_ext
	Number of pages per extent (compile-time constant).
bool	multi_threaded_xct
	True if multi-threaded transactions are allowed.
bool	logging
	True if logging is on.
Friends
ostream &	operator<< (ostream &, const sm_config_info_t &s)

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Member Data Documentation

u_long sm_config_info_t::page_size

compile-time constant. Settable in

 shore.def 

. Default is 8K.

Definition at line 184 of file smstats.h.

u_long sm_config_info_t::pages_per_ext

Number of pages per extent (compile-time constant).

Note:

The storage manager has not been tested with any value but 8.

Definition at line 201 of file smstats.h.

bool sm_config_info_t::multi_threaded_xct

True if multi-threaded transactions are allowed.

Note:

The storage manager has not been thoroughly tested with this turned off.

Definition at line 207 of file smstats.h.

bool sm_config_info_t::logging

True if logging is on.

Note:

The multi-threaded storage manager has not been tested with logging turned off, so turning off logging is not supported in this release.

Definition at line 214 of file smstats.h.

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The documentation for this struct was generated from the following file:

• src/sm/smstats.h

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