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https://issues.apache.org/jira/browse/NIFI-1576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Sampson resolved NIFI-1576.
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Resolution: Abandoned
> Incorporate feedback/improvements to Elasticsearch processors
> -------------------------------------------------------------
>
> Key: NIFI-1576
> URL: https://issues.apache.org/jira/browse/NIFI-1576
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Matt Burgess
> Priority: Major
>
> Since the release of Apache NiFi 0.5.0 containing FetchElasticsearch and
> PutElasticsearch processors, there have been some improvements identified
> that would add to the usability, flexibility, and power of the Elasticsearch
> processor(s). This Jira should capture those improvements for incorporation
> in a future release.
> Three initial observations:
> 1) FetchElasticsearch currently requires input, but it is possible to
> configure the processor such that no information is required from an incoming
> flow file. The processor should be changed to allow (but not require) input.
> 2) FetchElasticsearch specifies a "Document Identifier" property which may or
> may not contain Expression Language to determine the document ID for
> fetching. However PutElasticsearch only works when the IDs are unique, so it
> specifies a "Identifier Attribute" which forces the user to point at an
> existing attribute. The documentation should be very clear about what the
> properties are and why/how they're used.
> 3) Related to #2, PutElasticsearch's "Identifier Attribute" is required and a
> value for that attribute is currently required. Instead, if no value is
> present, the processor should leverage the auto-generated ID feature of the
> Elasticsearch API.
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