You can also look up Apache Derby which is an open source DB which can be integrated into your app (not needing an install, like MySQL which is also free).
On Dec 14, 2007 12:43 PM, Ingolf Tobias Rothe <[EMAIL PROTECTED]> wrote: > Hello Mike, > > thank you for the answer. Currently I hold this datastructure in a > HashTable in Memory but the ressource consumtion is very high. > Lucene looks easy in the way of usage and is suposed to be extremely > perfomant. I though also to use later the abilities to lucene to attach > parameters to search results so I do not neccessarily need to process the > record. > > I checked berkley db but it is not free for comercial use. What would be a > implementation for btree? > > Thank you, > > Tobias > > > > On 13-Dec-07, at 3:26 PM, Tobias Rothe wrote: > > > >> I got a quick question. I am handling hughe CSV files. They start > >> with a key in the first column and are followed by data. > >> I need to retrieve randomly this data based on the key. So it is > >> kind of a search where I give a unique key and ideally access to > >> the right line. > >> The file contains about 200.000 lines or more. I am not sure if > >> Lucene can handle things like that and I did not really find a hint > >> on this topic. So I hope to find help here. > > > > Is that all you're doing? You could accomplish the above with Lucene > > but it isn't really needed for that. You need some kind of on-disk > > key->value mapper. Something like a berkeley db hashtable or btree > > should work (store each line as a key/value pair). > > > > -Mike > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Regards, Shai Erera
