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| author | Mark Haines <mark.haines@matrix.org> | 2014-12-02 15:09:51 +0000 |
|---|---|---|
| committer | Mark Haines <mark.haines@matrix.org> | 2014-12-02 17:13:14 +0000 |
| commit | 279c48c8b442ec726fb5088e56ce9c1d2ed4bfb5 (patch) | |
| tree | 197c75f38f0059d2c99b5846f07839e41693ae92 /docs/media_repository.rst | |
| parent | Drop log level for incorrect logging contexts to WARN if the context is wrong... (diff) | |
| download | synapse-279c48c8b442ec726fb5088e56ce9c1d2ed4bfb5.tar.xz | |
Write the upload portion of version 1 of the media repository
Diffstat (limited to 'docs/media_repository.rst')
| -rw-r--r-- | docs/media_repository.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/docs/media_repository.rst b/docs/media_repository.rst new file mode 100644 index 0000000000..e554d0f495 --- /dev/null +++ b/docs/media_repository.rst @@ -0,0 +1,20 @@ +Media Repository +================ + +The media repository is where attachments and avatar photos are stored. +It stores attachment content and thumbnails for media uploaded by local users. +It caches attachment content and thumbnails for media uploaded by remote users. + +Storage +------- + +Each item of media is assigned a ``media_id`` when it is uploaded. +The ``media_id`` is a randomly chosen, URL safe 24 character string. +Metadata such as the MIME type, upload time and length are stored in the +sqlite3 database indexed by ``media_id``. +Content is stored on the filesystem under a "content" directory. Thumbnails are +stored under a "thumbnails" directory. +The item with ``media_id`` ``"aabbccccccccdddddddddddd"`` is stored under +``"local/content/aa/bb/ccccccccdddddddddddd"``. Its thumbnail with width +``128`` and height ``96`` and type ``"image/jpeg"`` is stored under +``"local/thumbnails/aa/bb/ccccccccdddddddddddd/128-96-image-jpeg"`` |