On Wed, Aug 21, 2013 at 11:30 AM, Sean Bridges <sean.brid...@gmail.com> wrote:
> What is the recommended way to use DiskDocValuesFormat in production if we
> can't reindex when we upgrade?

I'm not going to recommend using any experimental codecs in production, but...

1. with 4.3 jar file: IWC.setCodec(Codec.getDefault()) +
IndexWriter.addIndexes(IndexReader) -> converts index to official 4.3
format
2. with 4.4 jar file: IWC.setCodec(MyExperimentalCodec) +
IndexWriter.addIndexes(IndexReader) -> converts index to customized
codec on 4.4

>
> Will the 4.4 version of DDVF be backwards compatible

no.

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