There is a MapTable available in Hadoop. It is a bit slow because random reads from HDFS are kind of slow.
It might be just what you need. On 4/19/08 3:47 PM, "Karl Wettin" <[EMAIL PROTECTED]> wrote: > > We could implement our own transactionless variant that use Writable for > serialization. Is it possible to seek on DFS? > > > karl > > Grant Ingersoll skrev: >> Yeah, I think it does the good ol' download process, meaning it isn't >> compatible :-( >> >> How much work to roll your own? Or, I suppose, find something that is >> compatible. >> >> On Apr 19, 2008, at 12:45 PM, Karl Wettin wrote: >> >>> trunk/contrib/db/bdb-je to be precise >>> >>> but I notice it is not in the libs there. >>> >>> >>> Grant Ingersoll skrev: >>>> Is that what Lucene Java contrib/db/bdb uses? Or at least a >>>> different version? >>>> On Apr 18, 2008, at 5:58 PM, Karl Wettin wrote: >>>>> http://www.oracle.com/technology/software/products/berkeley-db/htdocs/lice >>>>> nsing.html >>>>> >>>>> >>>>> >>>>> Grant Ingersoll skrev: >>>>>> What's the license? >>>>>> On Apr 18, 2008, at 5:37 PM, Karl Wettin wrote: >>>>>>> I need to persist my tree is some way. Was thinking ad hoc: >>>>>>> >>>>>>> a file with branch node pks >>>>>>> a file with branch node records >>>>>>> a file with leaf node pks >>>>>>> a file with leaf node records >>>>>>> an optional file with node mean instances >>>>>>> >>>>>>> Will probably start with BDB JE though. Any comments to adding >>>>>>> that to the libs? >>>>>>> >>>>>>> >>>>>>> karl >>>>> >>> >> >
