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From Nicole Bilić <>
Subject Duplicate suggestions when having multiple shards
Date Tue, 10 Jan 2017 09:14:10 GMT
Hi all,

We are using Suggester (and Solr 6.3.0) to implement autocomplete. We are
using TSTLookupFactory lookup implementation and
HighFrequencyDictionaryFactory dictionary implementation. If our index
consists of only one shard, everything works perfectly fine. However, when
index is split in 2 shards, we start getting duplicated suggestions. We've
done some testing and it is peculiar that even when we have exactly the
same documents in both shards (just for testing purposes), we get
duplicated terms, but their weights are slightly different. We haven't
found any solution that works (we've tried FieldCollapsing as well). Due to
some limitations, it is not an option to solve this (ie. throw out the
duplicates)  client-side. Is there a way to solve this issue solr-side?


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