Reindex from 5.5 to 6.2 with different mapping

(Marge Tenorio) #1

Hello, we're in the middle of upgrading our Elastic Stack from 5.5 to 6.2.4. I know the multi-type is already deprecated in version 6, so when we created the indices, we specify that the type of each index is "doc". The thing is, I cannot reindex from 5.5 because the type is different from source index to destination index. How can I resolve this? Is it possible to update the type in version 5.5 before reindexing?

(Mark Walkom) #2

Can you elaborate a little more on this, what do you mean by different?

(Jake Landis) #3

I'm going to guess that you may want to use a script for the _reindex to change/update the type.

For example:

PUT old/custom_type/1
  "foo" : "bar"
GET old/custom_type/1
POST _reindex
  "source": {
    "index": "old",
    "type": "custom_type"
  "dest": {
    "index": "new"
   "script": {
    "source": "ctx._type = '_doc'",
    "lang": "painless"
GET new/_doc/1

You can also achieve the same outcome by specifying an ingest node pipeline for the re-index and having that pipeline set the _type

(Marge Tenorio) #4

Thank you! This solution works for me :slight_smile:

(system) #5

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