Downloadable incremental repository indexes and common embedder API
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Key: MRM-119
URL: http://jira.codehaus.org/browse/MRM-119
Project: Maven Repository Manager
Type: New Feature
Components: indexing
Reporter: Eugene Kuleshov
Priority: Critical
Index I build for ibiblio is nearly 12Mb (with class names) and it is not
really good idea to download whole index on every update.
We discussed this with jason and agreed on the following structure.
-- since lucene index is actually a folder it would make sense to have zip it
-- we need some metadata in a common repository place. That metadata will
enumerate all existing index zips, their type (full or incremental) and also
specify date interval for incremental indexes
-- full index for those who don't have anything yet
-- incremental indexes for last N months, M last weeks and K last days.
We also need this stuff exposed trough Embedder API, e.g. get index updates
for given repository and put them into given location (or perhaps somewhere
under local repository) and probably merge incremental chunks into the local
index copy
This is quite critical since there is no direct access to centrl repository and
local indexer can't be used...
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