Re: CDB | size limitations | concurrency
[email protected] (Paul Jarc) Wed, 19 Oct 2005 10:19:09 -0400
| Newsgroups | gmane.comp.djb.cdb |
|---|---|
| Organization | What did you have in mind? A short, blunt, human pyramid? |
| Message-ID | <[email protected]> |
Matthew Berk <[email protected]> wrote: > 1. Are there any limitations on CDB file size beyond those of the file system? > > 2. Are there any limitations on CDB data size (for value, not key)? <URL:http://cr.yp.to/cdb.html>: # * No random limits: cdb can handle any database up to 4 # gigabytes. There are no other restrictions; records don't even # have to fit into memory. Databases are stored in a # machine-independent format. > 3. Can we read from a CDB file while it's being created, by simply tie-ing to the temporary file? No. The hash table isn't written until after all the keys and values. But you can read from the old version of the cdb while a new version is being written. paul