index upgrade tool for /dev-tools
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Key: LUCENE-2893
URL: https://issues.apache.org/jira/browse/LUCENE-2893
Project: Lucene - Java
Issue Type: Task
Reporter: Robert Muir
we change the index format from time to time, and people tracking trunk have to
re-index.
I think we should put a (unsupported, scary) tool in /dev-tools that uses the
PreflexRW Codec to
serialize the index to a 3.0 index (with your old trunk version), you can then
deserialize it back
with the newer trunk version, to the newest StandardCodec.
this won't prevent all reindexes, but would work for changes under codec
control.
mainly though, I think we could somehow add undeleteAll + this tool + apply
deletes to prevent
the painful reindexing of luceneutil benchmarking indexes :)
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