hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Joe Pallas <joseph.pal...@oracle.com>
Subject Re: on the impact of incremental counters
Date Mon, 20 Jun 2011 17:27:50 GMT

On Jun 20, 2011, at 8:50 AM, Ted Dunning wrote:

> Lazy increment on read causes the read to be expensive.  That might be a win
> if the work load has lots of data that is never read.
> 
> This could be a good idea on average because my impression is that increment
> is usually used for metric sorts of data which are often only read in detail
> in diagnostic post mortem use cases.

Just so we're clear, we'd be talking about a new operation, right?  Because today's increment
returns the incremented value, and some uses (like generating unique values) do require that.

joe


Mime
View raw message