Shawn,
thanks for the reply.

I have a sharded index. When I re-index a document (vs new index, which is
different process), I need to delete the old one first to avoid dup. We all
know that if there is only one core, the newly added document will replace
the old one, but with multiple core indexes, we will have to issue delete
command first to ALL shards since we do NOT know/remember which core the old
document was indexed to ... 

I also wanted to know if there is a better way handling this efficiently.

Anyways, we are sending delete to all cores of this customer, one of them
hit , others did not.

But consequently, when I need to decide about commit, I do NOT want blindly
commit to all cores, I want to know which one actually had the old doc so I
only send commit to that core.

I could alternatively use query first and skip if it did not hit, but delete
if it does, and I can't short circuit since we have dups :-( based on a
historical reason. 

any suggestion how to make this more efficiently?
 
thanks!






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