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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Transaction timeout during checksum computation for large filepath fields","articleBody":"## Problem\n\nIn three-part `make()` methods, the transaction can expire while checksums are computed for large files with `filepath` fields. This causes the entire `make()` to fail, not just a performance degradation.\n\nThe checksum computation for large files takes long enough that the database transaction times out before the insert can complete.\n\n## Context\n\nThis affects the 0.14.x branch. The issue occurs when:\n- Working with large files (videos, imaging data, etc.)\n- Using filepath attributes that reference these large files\n- The checksum computation happens within the transaction\n- Computation time exceeds the transaction timeout\n\n## Impact\n\n- `make()` fails entirely for large files\n- Data that was already computed is lost\n- Users cannot reliably use filepath fields with large files\n\n## Branch\n\n`maint/0.14`\n\n## Note\n\nThis will be addressed differently in DataJoint 2.0+.","author":{"url":"https://github.com/dimitri-yatsenko","@type":"Person","name":"dimitri-yatsenko"},"datePublished":"2026-02-05T19:00:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/1386/datajoint-python/issues/1386"}