Ho开发者_如何转开发w do I use sum(), count(), and group by in Berkeley DB? Is there any alternative way?Which API are you using? If you\'re using the key/value API, then you will need to implement tho
I was looking for changing the Database Type of Java Edition 4.1.7 of BDB from BTree to Hash. The Core version hadDatabaseType.HASH, DatabaseType.RECNO and DatabaseType.Queue- Are these not supported
We\'re using JE 4.1.6 DPL. I set my environment max cache size using: EnvironmentConfig envConfig = new EnvironmentConfig();
I plan to insert a large number of unique k开发者_如何学Pythoneys ( ~3E9 ) in a BerkeleyDB JE database.
I am using di开发者_如何学Gostributed transactions in a BDB JE application to coordinate transactions across multiple BDB JE environments.I want to set the transaction isolation level to serializable.
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I need to load over 1 billion keys into Berkley DB and therefore I want to tune it in advance to get better performance. With standard configuration it takes me now about 15min to load 1\'000\'000 key
I am dealing with a huge dataset consisting of key-value pairs. The queries are always in the form of range queries on the key space (keys are numbers) hence any persistent B-Tree like structure will
Is there a way to get only the length (in bytes) of a value stored in 开发者_运维百科BDB? I don\'t need the entire data array, only its size.If you don\'t want to have to retrieve the entire entry and
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 implemente
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