The index consists of 1 key entry for every block in the file. So keep your keys reasonable, avoid the 32kbyte keys, but UUID will be fine. You can use a binary rather than text key to reduce size.
-ryan On Mon, Jul 20, 2009 at 12:15 AM, tim robertson<[email protected]> wrote: > Hi all, > > Knowing that HBase is going to keep an (?) in-memory index of the row > keys, are there any guidelines on the key choice? > I had anticipated using a UUID, but wonder if I should pick something > smaller? Could someone please advise if there is a better option? > > Many thanks, > > Tim >
