4 ms·
> it's hard to be much faster than kdb: 10 billion rows completes in 70msec on kdb, but Hadoop takes something like 30 seconds. Indeed, it's hard for exhaustiv
by dozzie 9y ago
> it's hard to be much faster than kdb: 10 billion rows completes in 70msec on kdb, but Hadoop takes something like 30 seconds.
Indeed, it's hard for exhaustive search beat index lookup.
- geocar 9y ago> it's hard for exhaustive search beat index lookup. kdb isn't using any indexes for this query.