On Tue, Feb 28, 2012 at 7:18 PM, aaron morton <aa...@thelastpickle.com>wrote:
> On disk layout is described here, not sure how correct it is now days. > http://wiki.apache.org/cassandra/ArchitectureSSTable > > There are multiple files involved, this will give you an idea of the read > and write path > http://thelastpickle.com/2011/04/28/Forces-of-Write-and-Read/ > I've read both of those and my ears bleed ;-) I am trying to answer to questions:- * Does the column name get stored for every col/val for every key (which sort of worries me for long column names) * Is data in an sstable sorted by key then column or column then key cheers > > Hope that helps. > > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 28/02/2012, at 8:07 PM, Franc Carter wrote: > > > Hi, > > does anyone know of a picture/image that shows the layout of > keys/columns/values in an sstable - I haven't been able to find one and am > having a hard time visualising the layout from various descriptions and > various overviews > > thanks > > -- > *Franc Carter* | Systems architect | Sirca Ltd > <marc.zianideferra...@sirca.org.au> > franc.car...@sirca.org.au | www.sirca.org.au > Tel: +61 2 9236 9118 > Level 9, 80 Clarence St, Sydney NSW 2000 > PO Box H58, Australia Square, Sydney NSW 1215 > > > -- *Franc Carter* | Systems architect | Sirca Ltd <marc.zianideferra...@sirca.org.au> franc.car...@sirca.org.au | www.sirca.org.au Tel: +61 2 9236 9118 Level 9, 80 Clarence St, Sydney NSW 2000 PO Box H58, Australia Square, Sydney NSW 1215
