Sophia database => fail

Howard Chu hyc at highlandsun.com
Mon Jun 20 04:36:57 EDT 2016


Thomas Jarosch via Cyrus-devel wrote:
> On Sunday, 19. June 2016 07:55:55 Bron Gondwana via Cyrus-devel wrote:
>> I've also been looking at Rocks DB.  Unfortunately their C wrapper (it's
>> C++) doesn't seem to include the transaction support, so I'll have to
>> either extend it or write my own.
>>
>> One major goal here, and the reason I'm looking at multi-level databases
>> in particular, is the ability to have most of the unchanging data
>> uploaded to an object store, and only need to push a small log file each
>> time something changes.
>
> plain old Berkeley DB 6.x might be an option, too.
> It has transaction support, page level locking and is a key-value store.
>
> Not sure about the licensing issues though:
> http://www.infoworld.com/article/2611450/open-source-software/oracle-switches-berkeley-db-license.html
> http://www.oracle.com/technetwork/products/berkeleydb/downloads/licensing-098979.html

Licensing is one of the reasons we have abandoned BerkeleyDB in OpenLDAP. 
That, and LMDB is orders of magnitude faster than BerkeleyDB.
>
> Also it's not a "multi-level" database.


-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/


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