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Marc-André Bombeck
0a54a43799
Key rotation and the rotation status read every column that was not flagged as a blob with one `findMany` over the whole table. `Measurement.notesEncrypted` and `MoodEntry.noteEncrypted` are such columns, so rotation loaded every measurement of the instance: 1.25 million rows on one large account (#1031), and the rotation status page did the same on every view. Every column is now walked with the id-cursor pages the blob columns already used: 25 rows a page for blobs, 5 000 for everything else. The maintenance script's own per-column walks page the same way. On the seeded account with 1 460 notes to rotate, peak heap fell from 272 MB to 153 MB, and it no longer grows with the table. `scanned` now counts the rows that hold ciphertext for every column, as it already did for the blob columns, rather than every row of the table for some columns and only the ciphertext rows for others. The runbook says so.