docs(project): document THUMB_MAX_PIXELS and THUMB_CONCURRENCY

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-12 01:07:30 +03:00
parent 2d2a42d523
commit e694f17be9
1 changed files with 8 additions and 0 deletions
@@ -92,6 +92,14 @@ THUMB_WIDTH=160
 THUMB_HEIGHT=160
 PREVIEW_WIDTH=1920
 PREVIEW_HEIGHT=1080
+# Largest source image (in pixels, width×height) decoded to build a thumbnail or
+# preview; bigger images get a placeholder. Bounds a decompression bomb and the
+# per-image RAM cost. Default ~300 Mpx (e.g. 13000×17000).
+THUMB_MAX_PIXELS=300000000
+# How many thumbnails/previews may be generated at once. Each resize already uses
+# every core, so a burst of large images otherwise pegs the CPU and RAM. 0 = auto
+# (half the available CPUs).
+THUMB_CONCURRENCY=0

 # ---------------------------------------------------------------------------
 # Import