Flushes all cached content to the disk storage and allows to perform only read commands. Database will be "frozen" till release database command will not been executed.
This command requires presence of server administration rights and can be executed only on remote DBs. If you would like to freeze/release local DB use methods ODatabase.freeze() and ODatabase.release() directly from OrientDB API.
This command is very useful in case you would like to do "live" database backups. You can "freeze" database, do file system snapshot, "release" database, copy snapshot anywhere you want. Using such approach you can perform backup in short term.
FREEZE DATABASE
Freezes the current database:
FREEZE DATABASE