[jira] [Updated] (SOLR-17562) Unify v2 API streaming support

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-17562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SOLR-17562:
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    Labels: pull-request-available  (was: )

> Unify v2 API streaming support
> ------------------------------
>
>                 Key: SOLR-17562
>                 URL: https://issues.apache.org/jira/browse/SOLR-17562
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: v2 API
>            Reporter: Jason Gerlowski
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Several v2 APIs return raw files or streams of data, including: {{ZooKeeperReadAPI}}, {{NodeFileStore}}, and {{CoreReplication.fetchFile}}.
> But the APIs vary slightly in how they support this: ZooKeeperReadAPI uses the deprecated "ContentStream" with "RawResponseWriter", NodeFileStore directly attaches a "SolrCore.RawWriter" to the underlying SolrQueryResponse, and CoreReplication follows the JAX-RS best practice of using the "StreamingOutput" interface.
> This ticket aims to align all of these approaches and document our approach in {{dev-docs/apis.adoc}} or a similar file.
> The preferred approach ([see discussion here|https://github.com/apache/solr/pull/2734]) at the time of writing is to use StreamingOutput.  If this doesn't change, this ticket will need to:
> * modify our Java codegen template and related code to support this new response type.  (Java codegen currently requires that all responses subclass SolrJerseyResponse)
> * remove the "x-omitFromCodegen" tag from any APIs using StreamingOutput (see ReplicationApis.fetchFile for an example)
> * Switch other raw-file/streaming APIs over to using StreamingOutput.  Validate v1 and v2 responses. 



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