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Serve v2 metadata in parts loaded on demand, cacheable per catalog version - #4042

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anth-volk wants to merge 33 commits into

v2plan/1f-115-catalog-metadata-fieldsfrom

v2plan/1f-116-catalog-routes-on-demand

Draft

Serve v2 metadata in parts loaded on demand, cacheable per catalog version#4042
anth-volk wants to merge 33 commits into
v2plan/1f-115-catalog-metadata-fieldsfrom
v2plan/1f-116-catalog-routes-on-demand

Commits on Nov 2, 2026
- Serve v2 metadata responses with an ETag and a cache lifetime
  
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  Anthony Volk
  committed
  c5205fa
- Serve the small parts of a catalog version at /v2/model-catalog
  
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  Anthony Volk
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  e2aea51
- Serve every variable of a catalog version with its part parameters' values
  
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  Anthony Volk
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  dc6fa39
- Fetch several parameters by name with their values and breadcrumb labels
  
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  Anthony Volk
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  d49b4b6
- Filter parameter pages and values by exact parameter names
  
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  Anthony Volk
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  79ca2fa
- Keep whole catalog-version responses once built in each process
  
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  1f6d152
- Check the on-demand catalog routes on each release and record their times
  
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  e8f2487
- Reuse current parameter values only until the next UTC midnight
  
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  238c27e
- Read v2 metadata in autocommit sessions on the shared pool
  
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  e0f744f
- Keep each selected catalog version for the life of the process
  
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  06872b6
- Keep each whole-version response's ETag, under the version it was read from
  
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  f498ab8
- Read every v2 metadata query through the shared query models
  
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  7300b20
- Type the new metadata reads and remove their duplicated lookups
  
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  e7f081b
- Let browser scripts read metadata responses' ETag
  
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  Anthony Volk
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  6153dcb
- Record the slow existing routes' times on each release, even after a failure
  
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  Anthony Volk
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  aebb575
- Read current parameter values and set their lifetime from one instant
  
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  Anthony Volk
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  a574404
- Vary every cacheable metadata response by Origin
  
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  Anthony Volk
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  4374c68
- Document metadata caching headers, 304 and the 400 case in OpenAPI
  
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  b0059f1
- Keep a response's build lock until it is stored, and state the cache's size
  
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  40813a3
- Refuse writes through v2 read sessions and state who uses them
  
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  Anthony Volk
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  ab866b8
- Describe the metadata stores in the layout guide and drop FoundParameters
  
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  Anthony Volk
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  643f846
- Give parameter-tree leaves the economy and household flags
  
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  7819db9
- Give every request waiting on a whole-version read that read's outcome
  
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  Anthony Volk
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  0a1c27f
- Give cacheable 200 and 304 responses the same Vary, each value once
  
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  dea73c7
- Declare 400 only on the metadata route with the country in its path
  
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  4296216
- Test autocommit reads on one pooled connection and the production reader
  
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  cb57daf
- Bring the 1.16 changelog fragment in line with the caching behavior
  
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  e0cf17c
- Import the connector modules in a test instead of suppressing line length
  
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  b6a787d
- Serve each variable's unit and definition period
  
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  Anthony Volk
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  a79dc6e
- Require the catalog format 2 fields in the metadata response schemas
  
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  Anthony Volk
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  083a7c6
- Look up test model versions through one helper taking the model name
  
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  Anthony Volk
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  26703a7
- Test that both variables routes serve unit and definition period
  
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  Anthony Volk
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  40d338f
- Say the same in the Stage 9 guide about who reads unit and definition period
  
  authored and
  Anthony Volk
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  7187955

Commits

Commits on Nov 2, 2026