nextcloud / nextcloud/server

"share with you" is very slow

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feature: database feature: sharing performance 🚀 technical debt
Dominant language
PHP
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Description

On our c.nc.c "share with you" is very slow and probably needs a review how to get this faster.

Ref: https://github.com/nextcloud-gmbh/sysadmin/issues/2372

@provokateurin @icewind1991

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked sysadmin issue 2372 and reproducing the slow “share with you” behavior in Nextcloud server. Trace the relevant sharing flow from there; done means identifying and implementing a measured improvement, with evidence that the view is faster.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
backend, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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