Hi,
From time to time, I need to add a new field to my templates (mostly daily indices). Is there an easy way to apply that to an existing index?
Thank you!
You can apply a new field to your existing index in the mapping first, but still need to do a reindex of each document. You can use the update by query API to reindex every document within its index...
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Thank you for clarifying this. Could you answer two related question?
If I run update by query, will it affect the size of the index? Also, if the index is actively written, can I run an update on it, or I need to wait until the new one is opened?
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