Ken Wenzel wrote: > Hello, > > > > I like to implement an autogrow functionality for LMDB. > > The documentation for mdb_env_set_mapsize says that no transactions should be > active when using this function. > > When looking at the code I can see that the function only checks if there is > an active WRITE transaction and in this case it returns an error. > > > > Is it possible to reuse existing READ transactions or even associated cursors > after mdb_env_set_mapsize has been called?
Yes, you can reuse the existing structures as long as you have done txn_reset / txn_renew / cursor_renew. Naturally you must do txn_reset before the resize, otherwise the read txn is still active. -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/
