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Posted to notifications@texera.apache.org by "Ma77Ball (via GitHub)" <gi...@apache.org> on 2026/06/15 01:06:39 UTC
[I] Dataset file reads can hang worker indefinitely with no request timeout [texera]
Ma77Ball opened a new issue, #5718:
URL: https://github.com/apache/texera/issues/5718
### What happened?
Python UDFs that read a dataset file go through `DatasetFileDocument.get_presigned_url` and `read_file`, both of which call `requests.get(...)` with no `timeout`. Python's `requests` defaults to no timeout, so if the file-service or object store accepts the TCP connection but then stalls (hung load balancer, half-open socket, network black-hole), the call blocks forever and the worker thread hangs with no recovery. There is also no retry for transient transport blips.
### How to reproduce?
1. Configure a UDF that reads a dataset file via `DatasetFileDocument`.
2. Point the presign endpoint (or the returned presigned URL host) at an endpoint that accepts the connection then never responds (e.g. a firewalled/black-holed host).
3. Run the workflow.
Expected: the read fails after a bounded wait. Actual: `requests.get` blocks indefinitely and the worker hangs.
### Version/Branch
main (commit 13b584ce0)
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Re: [I] Dataset file reads can hang worker indefinitely with no request timeout [texera]
Posted by "Ma77Ball (via GitHub)" <gi...@apache.org>.
Ma77Ball commented on issue #5718:
URL: https://github.com/apache/texera/issues/5718#issuecomment-4703739913
Duplicate of #5666, which is already being addressed by open PR #5667. Closing to avoid duplication.
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Re: [I] Dataset file reads can hang worker indefinitely with no request timeout [texera]
Posted by "Ma77Ball (via GitHub)" <gi...@apache.org>.
Ma77Ball closed issue #5718: Dataset file reads can hang worker indefinitely with no request timeout
URL: https://github.com/apache/texera/issues/5718
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Re: [I] Dataset file reads can hang worker indefinitely with no request timeout [texera]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #5718:
URL: https://github.com/apache/texera/issues/5718#issuecomment-4703712511
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