Change synonyms file


We considering using synonyms filter at index time and would like to
understand the effect of updating the info of the file.
The action I perform to reload the synonyms files are:

  1. replace the file
  2. close and open the index

I do see the new file data is reloading by verifying with analyze api some
of the newly added synonyms.
What I would be happy to clarify if re-index is required of already indexed
data (prior to the files changes). Currently when querying this data I am
not able to match it as expected by the new synonyms.


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