marcel/familienarchiv
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fix(ocr): increase presigned URL TTL from 15 min to 1 hour

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A 100-page document at ~10 s/page takes ~17 min on CPU-only hardware,
which could cause the presigned URL to expire mid-OCR job. 1 hour gives
ample headroom for any realistic document size in this archive.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-04-13 23:00:52 +02:00
parent 2181fe0b50
commit 2b355e748e
1 changed files with 3 additions and 2 deletions
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5
backend/src/main/java/org/raddatz/familienarchiv/service/FileService.java
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@@ -114,7 +114,8 @@ public class FileService {
/** /**
* Generates a presigned URL for downloading an object from S3/MinIO. * Generates a presigned URL for downloading an object from S3/MinIO.
* Valid for 15 minutes — enough for OCR processing on CPU. * Valid for 1 hour — covers multi-page documents on CPU-only OCR hardware
* (a 100-page document at 10 s/page takes ~17 min; 1 h gives ample headroom).
*/ */
public String generatePresignedUrl(String s3Key) { public String generatePresignedUrl(String s3Key) {
GetObjectRequest getObjectRequest = GetObjectRequest.builder() GetObjectRequest getObjectRequest = GetObjectRequest.builder()
@@ -123,7 +124,7 @@ public class FileService {
.build(); .build();
GetObjectPresignRequest presignRequest = GetObjectPresignRequest.builder() GetObjectPresignRequest presignRequest = GetObjectPresignRequest.builder()
.signatureDuration(Duration.ofMinutes(15)) .signatureDuration(Duration.ofHours(1))
.getObjectRequest(getObjectRequest) .getObjectRequest(getObjectRequest)
.build(); .build();