diff options
Diffstat (limited to 'Docs/ideas/cache.txt')
-rw-r--r-- | Docs/ideas/cache.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Docs/ideas/cache.txt b/Docs/ideas/cache.txt index 7e813e26f..fda0617a3 100644 --- a/Docs/ideas/cache.txt +++ b/Docs/ideas/cache.txt @@ -30,10 +30,20 @@ High-level cache: + Responsible for content objects. + Tracks content dependencies (and potential cycles). + Returns opaque handles to content objects. - + Manages content sharability. + + Manages content sharability & reusability (see below). + Contents with unknown types are never shared and thus get unique handles. + Content handles <> content objects: they're an indirection mechanism. +Content sharability & reusability +-------------------------------- + + If a content is shareable, then it may have multiple concurrent users. + Otherwise, it may have at most one user. + + If a content is reusable, then it may be retained in the cache for later use + when it has no users. Otherwise, it will be removed from the cache when + it has no users. + Example: retrieving a top-level resource ---------------------------------------- |