June 2001
Intermediate to advanced
688 pages
19h 18m
English
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db close
db close [-nosync]
Description
The db close command flushes any cached database information to disk, closes any open cursors, frees any allocated resources, and closes any underlying files. Because key/data pairs are cached in memory, failing to sync the file with the db close or db sync command may result in inconsistent or lost information.
The options are as follows:
-nosync Do not flush cached information to disk.
The -nosync flag is a dangerous option. It should only be set if the application is doing logging (with transactions) so that the database is recoverable after a system or application crash, or if the database is always generated from scratch after any system or application crash.
It is important to understand that flushing ...