Shai Erera created LUCENE-5320:
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Summary: Create SearcherTaxonomyManager over Directory
Key: LUCENE-5320
URL: https://issues.apache.org/jira/browse/LUCENE-5320
Project: Lucene - Core
Issue Type: New Feature
Components: modules/facet
Reporter: Shai Erera
SearcherTaxonomyManager now only allows working in NRT mode. It could be useful
to have an STM which allows reopening a SearcherAndTaxonomy pair over
Directories, e.g. for replication. The problem is that if the thread that calls
maybeRefresh() is not the one that does the commit(), it could lead to a pair
that is not synchronized.
Perhaps at first we could have a simple version that works under some
assumptions, i.e. that the app does the commit + reopen in the same thread in
that order, so that it can be used by such apps + when replicating the indexes,
and later we can figure out how to generalize it to work even if commit +
reopen are done by separate threads/JVMs.
I'll see if SearcherTaxonomyManager can be extended to support it, or a new STM
is required.
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