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feat(chromium): re-add concurrency support for Chromium (#1467)

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* feat: add concurrency support to ProcessSupervisor

- Replace the single-slot mutex channel with a configurable semaphore to
allow multiple concurrent tasks.
- Add drain logic to ensure all active
tasks complete before process restarts.

* feat: add chromium-max-concurrency flag

- Add a --chromium-max-concurrency flag (1-6) to the Chromium module to
control how many conversions run in parallel.
- Update LibreOffice to pass maxConcurrency=1 as LibreOffice only supports
a single concurrent conversion.

* test: add integration tests for concurrent Chromium conversions

- Add concurrent request support to the integration test framework with
new step definitions for sending parallel requests and asserting on all
responses.
- Add a feature file for concurrent HTML to PDF conversions.
This commit is contained in:
Tom Brouws
2026-02-13 10:00:58 +01:00
committed by GitHub
parent 241d5077c9
commit 12c25a2d21
8 changed files with 443 additions and 77 deletions
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2
pkg/modules/libreoffice/api/api.go
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@@ -253,7 +253,7 @@ func (a *Api) Provision(ctx *gotenberg.Context) error {
// Process.
a.libreOffice = newLibreOfficeProcess(a.args)
a.supervisor = gotenberg.NewProcessSupervisor(a.logger, a.libreOffice, flags.MustInt64("libreoffice-restart-after"), flags.MustInt64("libreoffice-max-queue-size"))
a.supervisor = gotenberg.NewProcessSupervisor(a.logger, a.libreOffice, flags.MustInt64("libreoffice-restart-after"), flags.MustInt64("libreoffice-max-queue-size"), 1)
return nil
}