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From Stu Hood <>
Subject Re: Columns values(integer) need frequent updates/ increments
Date Sun, 10 Apr 2011 01:04:36 GMT
If an SSTable contains an update for a row (row, not just column), we need
to read from it. See #1608 for some of the ideas that have been floated on
how to improve this situation: the core ones are 1. partitioning local data
so that the the number of files involved in a read is smaller, 2. adding
support for "superceding" data in older files so that they can be skipped.
#2316 will provide the beginning of a solution to this problem for wide

On Sat, Apr 9, 2011 at 5:52 PM, mcasandra <> wrote:

> That I understand but my basic quesiton was how does it know that there are
> multiple updates that have occurred on the same column? and how does it
> efficiently knows which sstable have these updates?
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