edariedl

Bulk delete of documents from Elasticsearch in Ruby on Rails

When someone deletes his account we need to delete data from the elasticsearch. All account data are removed by bulk SQL query but elasticsearch-model cannot be notified to destroy related elasticsearch documents. I had to find out how to do it. It had to be done in the background job otherwise it could take too long.

After looking around in the source code of elasticsearch ruby gems, Elastcisearch API and with a little help from Karmi (author of elasticsearch gems) I found a solution. It consists of the following three things.

• Elasticsearch scroll-scan API (thanks Karmi for suggesting it)
• Elasticsearch bulk API
• Elasticsearch gem

edariedl

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