[DOCS] Adds a warning about reindexing docs with the same ID to the PUT DFA docs. (#53490)

2020-03-12 18:00:36 +01:00 · 2020-03-12 18:00:36 +01:00 · 969164cc47
parent 67fffe676e
commit 969164cc47
1 changed files with 5 additions and 0 deletions
--- a/docs/reference/ml/ml-shared.asciidoc
+++ b/docs/reference/ml/ml-shared.asciidoc
@ -1316,6 +1316,11 @@ The configuration of how to source the analysis data. It requires an
  (Required, string or array) Index or indices on which to perform the 
  analysis. It can be a single index or index pattern as well as an array of 
  indices or patterns.
+
+--
+WARNING: If your source indices contain documents with the same IDs, only the 
+document that is indexed last appears in the destination index.
+--
  
 `query`:::
  (Optional, object) The {es} query domain-specific language