OK, excellent. I just wanted to make sure this thread is still
"alive" :) This is an important optimization to decrease cost of
opening & re-opening searchers.
Mike
Michael Busch wrote:
Michael McCandless wrote:
I haven't really looked closely at these (I've been focusing on the
indexing side of the house so far!), but, I do think these ideas are
important to pursue soon (after 2.3). We do really need reopen at
the
IndexSearcher level to be as fast as it can be.
Is anyone actively working on this?
Mike
Hi Mike,
I haven't worked on the column-stored fields (aka per-doc
payloads ;) )
yet, but I was planning to start after 2.3 is out. In Atlanta on the
ApacheCon, we had a search BOF and people seemed to be really excited
about this feature, especially if those fields will be updateable. Of
course then it makes total sense to change the FieldCache to load the
data from those new fields and also enable it to only reload the
values
from the changed segments during re-open.
So yeah, I was planning to start on these patches soon, and of course
any help is more than welcome! :-) I think we should start to make a
good design soon, then we can decide who is going to implement what
and
hopefully get some of the new features in 2.4.
-Michael
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