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From "Bob Dionne (JIRA)" <>
Subject [jira] Commented: (COUCHDB-477) Add database uuid's
Date Thu, 20 Aug 2009 11:13:15 GMT


Bob Dionne commented on COUCHDB-477:

I tested this all against a clean checkout of trunk and it looks good. The new algorithm is
faster on inserts[1] but interestingly for single inserts is makes for a larger db pre-compact.
After compaction the db is smaller by a factor of 3

I thought we leave the new "sequentially random" as the default? Paul, is the concern just
what's advertised to users?

Algorithms based on the system clock I think can be problematic as they assume all machines
have the correct time. 


> Add database uuid's
> -------------------
>                 Key: COUCHDB-477
>                 URL:
>             Project: CouchDB
>          Issue Type: New Feature
>            Reporter: Robert Newson
>         Attachments: 0001-add-uuid-to-database-on-creation-return-it-in-db_in.patch
> Add a uuid to db_header to distinguish different databases that have the same name (for
example, by deleting and creating the same named database).

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