Hi Aaron, I did try to upgrade to 1.2 but it did not work out. Maybe to many versions in between.
Why would later formats make this easier you think? Jasper 2013/4/14 aaron morton <aa...@thelastpickle.com> > The SSTable files are in the -f- format from 0.8.10. > > If you can upgrade to the latest version it will make things easier. > Start a node and use nodetool upgradesstables. > > The org.apache.cassandra.tools.SSTableExport class provides a blue print > for reading rows from disk. > > hope that helps. > > ----------------- > Aaron Morton > Freelance Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 13/04/2013, at 7:58 PM, Jasper K. <jasper.knu...@incentro.com> wrote: > > Hi, > > Does anyone have any experience with running a MapReduce directly against > a CF's SSTable files? > > I have a use case where this seems to be an option. I want to export all > data from a CF to a flat file format for statistical analysis. > > Some factors that make it (more) doable in my case: > -The Cassandra instance is not 'on-line' (no writes- no reads) > -The .db files were exported from another instance. I got them all in one > place now > > The SSTable files are in the -f- format from 0.8.10. > > Looking at this : http://wiki.apache.org/cassandra/ArchitectureSSTable it > should be possible to write a Hadoop RecordReader for Cassandra rowkeys. > > But maybe I am not fully aware of what I am up to. > > -- > > *Jasper** * > > > --
