Backport to 2 6 remove collection size feature hyrax 4207 #4237
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While looking into #4100, we noticed that `CharacterizeJob` not only saves a file set's `original_file`, but also reindexes the file set, *and* reindexes every collection to which the file set's work belongs. It appears that this feature was added way back in the Sufia days in order to support the use case of displaying on the collection show page the total size of all files uploaded to a collection's works. Why is this problematic? At large scale, this means touching a potentially huge portion of the repository—iterating over all files in all works in a collection—in order to display an arguably useful string to a subset of repository users who care about such information. Doing this in `CharacterizeJob` introduces significant potential delay in the ingest pipeline, increasing how long it takes for a deposit to finish and render in the Hyrax UI (e.g., by delaying the creation of derivatives). We propose removing this feature for now and encourage folks who need this feature to contribute it back with a better-performing, more streamlined design.
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@fritzfreiheit thanks for the work on this. One question I have is if this is something to push to |
jeremyf
approved these changes
Jan 31, 2020
jeremyf
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Backport of #4207 to v2.6.* / 2.x-stable
See: #4207
@samvera/hyrax-code-reviewers