MAN page from Fedora 28 libdb-utils-5.3.28-30.fc28.x86_64.rpm
DB_TUNER
Section: BerkeleyDB Utilities (1)
Updated: 06 December 2016
Index NAME
db_tuner - analyze and tune btree database
SYNOPSIS
db_tuner[-c
cachesize] -d
file [-h
home] [-s
database] [-v]
DESCRIPTION
The
db_tuner utility analyzes the data in a btree database,and suggests a page size that is likely to deliver optimal operation.
OPTIONS
- -c cachesize
- Specify a value of the cachesize, otherwise, the default value will be set.
- -d file
- Display database statistics for the specified file. If the database contains multipledatabases and the -s flag is not specified, the statistics are for the internaldatabase that describes the other databases the file contains, and not for the file as a whole.
- -h home
- Specify a home directory for the database environment.
- -s database
- Display page size recommendation for the specified databasecontained in the file specified with the -d flag.
- -v
- Display verbose information.
NOTES
The
db_tuner utility assumes that databases are compacted when analysing the data.The analysis is based on a static view of the data and the data access and updatepatterns are not take into account.
SEE ALSO
db_archive(1)
db_checkpoint(1)
db_deadlock(1)
db_dump(1)
db_hotbackup(1)
db_log_verify(1)
db_load(1)
db_printlog(1)
db_recover(1)
db_replicate(1)
db_stat(1)
db_upgrade(1)
db_verify(1)
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- OPTIONS
- NOTES
- SEE ALSO
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