Maniphest T417164

Respect WASM-related env variables in Rust evaluator
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Jdforrester-WMF

Authored By

	cmassaro
	Feb 11 2026, 12:34 PM

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Description

Description

EXECUTOR_PROCESS_POOL_SIZE, WASMEDGE_GAS_LIMIT, etc.

Completion checklist

Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402	operations/deployment-charts	master	+2 -2
	wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402	operations/deployment-charts	master	+2 -2

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		Status	Subtype	Assigned	Task
		Open		None	T421849 [Hypothesis] WE2.3.16 Productionize Rust Evaluator and Deprecate Node Evaluator
		Resolved		Jdforrester-WMF	T417164 Respect WASM-related env variables in Rust evaluator

Event Timeline

cmassaro created this task.Feb 11 2026, 12:34 PM

cmassaro added a parent task: T402957: [26Q3] Rust evaluator in production.

Jdforrester-WMF triaged this task as High priority.Feb 18 2026, 6:46 PM

Jdforrester-WMF edited projects, added Abstract Wikipedia team (26Q3 (Jan–Mar)), Essential-Work; removed Abstract Wikipedia team.

Jdforrester-WMF moved this task from Incoming to Ready on the Abstract Wikipedia team (26Q3 (Jan–Mar)) board.

DSantamaria edited parent tasks, added: T421849: [Hypothesis] WE2.3.16 Productionize Rust Evaluator and Deprecate Node Evaluator; removed: T402957: [26Q3] Rust evaluator in production.Apr 1 2026, 8:41 AM

DSantamaria edited projects, added OKR-Work, Abstract Wikipedia team (26Q4 (Apr–Jun)); removed Essential-Work, Abstract Wikipedia team (26Q3 (Jan–Mar)).

DSantamaria moved this task from Incoming to Ready on the Abstract Wikipedia team (26Q4 (Apr–Jun)) board.

Jdforrester-WMF mentioned this in rMSFEd84f71c40d37: rustversion: Add configurable WASMTIME_FUEL_LIMIT for instruction budgeting.Apr 9 2026, 10:32 PM

Jdforrester-WMF mentioned this in rMSFE82aa79d4e45b: rustversion: Add TODO to distinguish fuel exhaustion from other errors.

Jdforrester-WMF mentioned this in rMSFE082d10013840: rustversion: Add configurable WASMTIME_MEMORY_PAGES for memory budgeting.

Jdforrester-WMF mentioned this in rMSFE144886e3e9b3: rustversion: Report WASM linear memory usage as wasmMemoryBytes.

jforrester opened https://gitlab.wikimedia.org/repos/abstract-wiki/wikifunctions/function-evaluator/-/merge_requests/513

rustversion: Add configurable WASMTIME_FUEL_LIMIT and WASMTIME_MEMORY_PAGES

Jdforrester-WMF changed the task status from Open to In Progress.Apr 9 2026, 10:35 PM

Jdforrester-WMF claimed this task.

Jdforrester-WMF moved this task from Ready to In Code review on the Abstract Wikipedia team (26Q4 (Apr–Jun)) board.

Jdforrester-WMF mentioned this in rMSFEb808de1198a6: rustversion: Add configurable WASMTIME_FUEL_LIMIT for instruction budgeting.Apr 9 2026, 10:40 PM

Jdforrester-WMF mentioned this in rMSFE8f3e8ebbcb88: rustversion: Add TODO to distinguish fuel exhaustion from other errors.

Jdforrester-WMF mentioned this in rMSFE5f9f881e2984: rustversion: Add configurable WASMTIME_MEMORY_PAGES for memory budgeting.

Jdforrester-WMF mentioned this in rMSFEdc2fb5bcaabd: rustversion: Report WASM linear memory usage as wasmMemoryBytes.

Jdforrester-WMF mentioned this in T412768: More Rust cleanup.Apr 10 2026, 12:21 AM

Jdforrester-WMF mentioned this in rMSFEc7fbfb73947e: rustversion: Add configurable WASMTIME_FUEL_LIMIT for instruction budgeting.Apr 10 2026, 6:02 PM

Jdforrester-WMF mentioned this in rMSFE1b6aa49a884d: rustversion: Add TODO to distinguish fuel exhaustion from other errors.

Jdforrester-WMF mentioned this in rMSFE38532e3e9fac: rustversion: Add configurable WASMTIME_MEMORY_PAGES for memory budgeting.

Jdforrester-WMF mentioned this in rMSFE9fe60e133dd0: rustversion: Report WASM linear memory usage as wasmMemoryBytes.

Jdforrester-WMF mentioned this in rMSFEbf1993685da1: rustversion: Add configurable WASMTIME_FUEL_LIMIT for instruction budgeting.

Jdforrester-WMF mentioned this in rMSFE876ec5aa2faa: rustversion: Add TODO to distinguish fuel exhaustion from other errors.

Jdforrester-WMF mentioned this in rMSFEf8311570f828: rustversion: Add configurable WASMTIME_MEMORY_PAGES for memory budgeting.

Jdforrester-WMF mentioned this in rMSFE4d30e525988b: rustversion: Report WASM linear memory usage as wasmMemoryBytes.

jforrester merged https://gitlab.wikimedia.org/repos/abstract-wiki/wikifunctions/function-evaluator/-/merge_requests/513

rustversion: Add configurable WASMTIME_FUEL_LIMIT and WASMTIME_MEMORY_PAGES

Jdforrester-WMF closed this task as Resolved.Apr 10 2026, 10:26 PM

Jdforrester-WMF moved this task from In Code review to Needs Sign-off on the Abstract Wikipedia team (26Q4 (Apr–Jun)) board.

Maintenance_bot removed a project: Patch-For-Review.Apr 10 2026, 10:30 PM

Change #1271724 had a related patch set uploaded (by Jforrester; author: Jforrester):

[operations/deployment-charts@master] wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402

https://gerrit.wikimedia.org/r/1271724

gerritbot added a project: Patch-For-Review.Apr 15 2026, 2:01 PM

Change #1271724 merged by jenkins-bot:

[operations/deployment-charts@master] wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402

https://gerrit.wikimedia.org/r/1271724

Maintenance_bot removed a project: Patch-For-Review.Apr 15 2026, 2:32 PM

Change #1271915 had a related patch set uploaded (by Jforrester; author: Jforrester):

[operations/deployment-charts@master] wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402

https://gerrit.wikimedia.org/r/1271915

gerritbot added a project: Patch-For-Review.Apr 15 2026, 8:53 PM

Change #1271915 merged by jenkins-bot:

[operations/deployment-charts@master] wikifunctions: Upgrade evaluators from 2026-04-06-224243 to 2026-04-14-215402

https://gerrit.wikimedia.org/r/1271915

Maintenance_bot removed a project: Patch-For-Review.Apr 15 2026, 9:33 PM