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Add tracing sqlite db file support so we can connect from python #807

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Summary:
POC of Rust-create sqlite db accessable from native python sqlite connection. This allows us to write python tests that test Monarch and assert user (or BE) events using sql queries.

  • Uses reloadable layer to inject SqliteLayer into tracing registry on demand.
  • Exposes with_tracing_db_file to python to create and get the DB file name so we can connect to

Differential Revision: D79761474

@meta-cla meta-cla bot added the CLA Signed This label is managed by the Meta Open Source bot. label Aug 8, 2025
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This pull request was exported from Phabricator. Differential Revision: D79761474

Summary:

New tracer subscriber to be used for testing (e.g., script or simulator)
1. New logging layer for use in tests that writes all log messages to a series of sqlite tables
2. Add capability to do sql based assertions for script tests or simulation tests
3. New trace level logging events on actor lifecycle events


Next diffs will:
* Get this working for our PAFT simulator tests so we can easily assert
* Support custom columns

Differential Revision: D73512355
…a-pytorch#807)

Summary:

POC of Rust-create sqlite db accessable from native python sqlite connection. This allows us to write python tests that test Monarch and assert user (or BE) events using sql queries.
* Uses reloadable layer to inject SqliteLayer into tracing registry on demand.
* Exposes `with_tracing_db_file` to python to create and get the DB file name so we can connect to

Differential Revision: D79761474
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This pull request was exported from Phabricator. Differential Revision: D79761474

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