ElasticSearch Mapping Issue

Question

I have an index and type. I used mapping and ngram analyzer. The problem is when I want to use mapping and ngram analyzer for a new type under same index, it gives me an error and force me to remove my index.

But I don't want to remove my index for new types for each mapping operation because I might continue to add new types under same index. Removing my index and indexing all documents and types again will be time and data loss for me.

Do you have any solution for this?

in the above script you are also trying to update the settings of an index you can't do that without closing the index. — keety
– keety, Commented Oct 21, 2014 at 20:39

keety · Accepted Answer · 2014-10-21 20:38:22Z

1

You can add new types to mapping of an existing index without having to reindex the old documents of pre-existing type.You can read about it in update mapping.

For example if you have an index "TEST" and you want to create a new type "type_new". You could run the following :

curl -XPUT 'http://<server>/TEST/_mapping/type_new' -d '
{
    "TYPE_NEW" : {
        "properties" : {
            "subject" : {"type" : "string", "store" : true }
        }
    }
}'

However if you are going to add a new analyzer to the existing index then you would need to close the index update the settings and then reopen.You can look at update settings for more information.

answered Oct 21, 2014 at 20:38

keety

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3 Comments

rLyLmZ Over a year ago

Thanks a lot for your good answer keety. It works for me. I dont need to delete my index anymore. But I really wonder that do I have to remove my type whenever I want to re-mapping? Is there any way to remapping without deleting type? IF not, I will accept your answer. Thanks a lot.

keety Over a year ago

curl -XPUT 'http://<server>/TEST/_mapping/type_new' adds a new type to the existing mapping but does not delete the previous types. After adding a new type you can check all the existing types on an index curl -XGET 'http://<server>/<index>/_mapping/"

rLyLmZ Over a year ago

Thanks for help. If u have any idea have a look also this question? stackoverflow.com/questions/26504261/…

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