Raphanus Lo

台北 [Trend Micro](http://www.trendmicro.tw)

I meet the same issue (`'code': 409, 'errorNum': 1200, 'errorMessage': 'conflict (while executing)'`) while performing `UPSERT` via `pyArango.database.Database.AQLQuery` with multiprocessing.

We're still drafting the test steps. It will include: 1. one-time manual test for v1.9.0 2. e2e test skeleton based on manual test

# Test Steps (Draft) **Note**: Replaced by longhorn/longhorn-tests#2448. This is a draft test plan. We have officially submit a PR for testing, including the one-time manually test to verify this...

> Hi [@COLDTURNIP](https://github.com/COLDTURNIP) , I set `orphan-auto-deletion` to `"true"` in v1.8.1 then upgrade to v1.9.0-rc1. after the upgrade completed, new setting `orphan-resource-auto-deletion` comes with empty string, according to Upgrade Setting...

The test case design PR: longhorn/longhorn-tests#2448

> Reopening the issue as the setting has not been updated in the document. > > https://github.com/longhorn/website/blob/b2f945aec0d46139fc4b7a47e995d5b1e3a2448a/content/docs/1.9.0/references/settings.md?plain=1#L51-L52 Thanks. Fixed in PR: longhorn/website#1101

> I just realized the orphaned engine or replica process is created manually. [@COLDTURNIP](https://github.com/COLDTURNIP) Is it possible to create orphaned instances by, for example, network partition? Yes, we can simulate...

@coderabbitai review

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