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From Chris Harris <>
Subject Re: Tag Index patch (LUCENE-1292) status?
Date Fri, 22 Jan 2010 04:18:56 GMT
I'm probably not going to work on it right now.

It might be nice, though, to make sure I have the right big-picture
idea of the tag index patch. I can think of two ways to ask it:

1. What's the relationship between the tag index patch and LUCENE-1879
("Parallel incremental indexing", which also has the associated page Is
the tag index an alternative idea, or a complementary one?

2. Does the tag index patch means to take care of all of my fields, or
does it only apply to my updateable (and non-tokenized) fields? For
example, if I use the tag index patch (and suppose I don't use any
LUCENE-1879 stuff), then do I need to manually create two indexes, one
for my static fields and one for my tags? (I would need to be careful
about how I coordinated these indexes, so I could use a ParallelReader
with them.) Or is there only one index, and the tag fields are
updateable simply by virtue of the patch's new segment file types?


On Tue, Jan 19, 2010 at 8:10 PM, Jason Rutherglen
<> wrote:
> Hi Chris,
> It's not actively being worked on.  Are you interested in working on it?
> Jason
> On Tue, Jan 19, 2010 at 4:42 PM, Chris Harris <> wrote:
>> I'm interested in the Tag Index patch (LUCENE-1292), in particular
>> because of how it enables you to modify certain fields without
>> reindexing a whole document. However, that issue is marked Lucene
>> 2.3.1 and hasn't been updated since July 2008. Can anyone provide any
>> status updates on this patch? Questions include:
>> - Is anyone using this in production?
>> - Does this work with Lucene 2.9/3.0?
>> - Is anyone actively working on the patch now?
>> - Are there any competing approaches now for doing updates to
>> particular fields? (I haven't found any yet.)
>> Thanks,
>> Chris
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