berkeley-db Questions

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I have a set of 100+ million strings, each up to 63 characters long. I have lots of disk space and very little memory (512 MB). I need to query for existence alone, and store no additional metadata...
Gregoire asked 15/11, 2012 at 20:19

1

I am having a hard time storing hundreds of millions of key/value pairs of 16/32bytes with a hash array on my SSD. With Kyoto Cabinet: When it works fine, it inserts at 70000 record/s. Once it dro...
Covariance asked 24/10, 2012 at 17:48

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What are the coordinates of Berkeley DB JE 5.0.x in Maven Central (or some other repo maybe)?
Turbojet asked 10/4, 2012 at 19:32

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Apparently, BDB-XML has been around since at least 2003 but I only recently stumbled upon it on Oracle's website: Berkeley DB XML. Here's the blurb: Oracle Berkeley DB XML is an open source, emb...
Bitthia asked 29/9, 2009 at 15:33

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I would like to ask a fundamental question about when is it useful to use a system call like fsync. I am beginner and i was always under the impression that write is enough to write to a file, and ...
Neogene asked 29/4, 2012 at 9:17

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I have been trying to install the BerkeleyDB CPAN module on my Windows 7 (x86_64) PC without any luck (BerkeleyDB::Hash is what I need). I have 64 bit ActivePerl and Oracle Berkeley DB 11gR2 5.3.15...
Osbourn asked 5/4, 2012 at 14:5

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I'd like to understand how subversion stores revisions in FSFS, and how a view/shapshot is constructed for a given revision number. What I have gleaned from Googling is that FSFS is a simple direc...
Percent asked 12/9, 2010 at 21:7

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Since BerkeleyDB can use the SQLite api, can python use sqlite module to connect to BerkeleyDB. This post suggests using something else, but could have been written pre-Api sync. Best Python mod...
Stearn asked 7/12, 2011 at 16:9

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according to the Berkeley documentation the Transactional (TS) and the Concurrent Datastore version of the Database, multiple threads may access (and change) the database. Does this also mean that...
Burdened asked 17/11, 2009 at 16:4

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I'm looking for a simple DBM library such as BerkeleyDB or Kyoto Cabinet, but natively working for .NET. I need to manage more than one million records (maybe ten millions), and possibly in a hiera...
Gossip asked 12/10, 2011 at 19:23

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I read the subversion book and it is clear to me that subversion does not store individual files but only deltas in order to minimize disk space. Subversion also does the same with binary files as ...
Giess asked 25/2, 2010 at 9:16

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I'm designing a Java based web-app and I need a key-value store. Berkeley DB seems fitting enough for me, but there appears to be TWO Berkeley DBs to choose from: Berkeley DB Core which is implemen...
Hypermeter asked 7/4, 2010 at 15:13

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If you arrive at a pre-existing Subversion repository, how can you determine whether it was created with a BDB or fsfs backend storage method?
Nattie asked 25/5, 2011 at 9:13

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I've been having some problems with using BerkeleyDB. I have multiple instances of the same code pointed to a single repository of DB files, and everything runs fine for 5-32 hours, then suddenly t...
Assets asked 22/4, 2011 at 6:22

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many thanks in advance for taking the time to look at my question. (I am aware of this question Nonrelational Databases for C++, but my needs are a bit different and it only has one answer.) I am...
Eclosion asked 12/4, 2011 at 18:50

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Problem Following up on this question, it seems that a file- or disk-based Map implementation may be the right solution to the problems I mentioned there. Short version: Right now, I have a Map ...
Osborn asked 18/1, 2011 at 16:23

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I just started playing with Berkeley DB a few days ago so I'm trying to see if there's something I've been missing when it comes to storing data as fast as possible. Here's some info about the da...
Stereobate asked 29/9, 2010 at 19:13

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I'm building OpenLDAP on a RHEL 5; I used instructions found at http://www.linux.com/archive/feature/113607. All went well, until running './configure' for OpenLDAP - the following error was...
Buonomo asked 3/10, 2010 at 0:31

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I'm trying to tackle a problem by using a SQLite database and Perl modules. In the end, there will be tens of millions of entries I need to log. The only unique identifier for each item is a ...
Rhamnaceous asked 27/9, 2010 at 19:27

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According to the Python 2.6.5 docs [1], the bsddb module has been deprecated for removal in Python 3.0. What module/wrapper should I be using instead? [1] http://docs.python.org/library/bsd...
Arctogaea asked 8/4, 2010 at 1:54

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What is the best way to use berkeley DB (bdb) handles in a multi-threaded application? Is it better to have each thread open its own handle; or, is it better to open a single handle and have each...
Chemosh asked 5/12, 2009 at 1:29

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Is it safe for multiple computers to concurrently access an svn repository stored on a shared filesystem? I'm building an application in which each Windows client machine has a local working set o...
Dyanna asked 17/8, 2009 at 19:14

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What's the optimal level of concurrency that the C++ implementation of BerkeleyDB can reasonably support? How many threads can I have hammering away at the DB before throughput starts to suffer be...
Gothar asked 1/8, 2008 at 23:28

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I need a pure .Net persistent hashtable/binarytree, functionally similar to berkeley-db Java edition. Functionally it should opperate in a similar maner to a DHT such memcached and velocity ...
Iinden asked 20/9, 2008 at 15:11

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