Default similarity in Elasticsearch


The docs ( and announcement blog post ( seem to disagree about the new default similarity. Is it classic or BM25?

(Colin Goodheart-Smithe) #2

I think you may have got a stale version of that page when you looked before. The page has moved slightly and the documentation you link to now 404s for me due to that. Take a look at the new location of the doucmentation here which agrees with the blog post that the default is BM25:

(Jörg Prante) #3

There is a glitch on
still stating that default similarity is classic

(Colin Goodheart-Smithe) #4

Oh, well spotted @jprante, I'll raise it on the ES Repo. Thanks

(Colin Goodheart-Smithe) #5

I raised to fix this, Thanks both for raising this


Thanks so much @colings86 and @jprante!

(system) #7