diff options
| -rw-r--r-- | changelog.d/14297.doc | 1 | ||||
| -rw-r--r-- | docs/workers.md | 8 |
2 files changed, 6 insertions, 3 deletions
diff --git a/changelog.d/14297.doc b/changelog.d/14297.doc new file mode 100644 index 0000000000..e418c2a18a --- /dev/null +++ b/changelog.d/14297.doc @@ -0,0 +1 @@ +Add example on how to load balance /sync requests. Contributed by [aceArt](https://aceart.de). diff --git a/docs/workers.md b/docs/workers.md index 5e1b9ba220..7ee8801161 100644 --- a/docs/workers.md +++ b/docs/workers.md @@ -305,9 +305,11 @@ may wish to run multiple groups of workers handling different endpoints so that load balancing can be done in different ways. For `/sync` and `/initialSync` requests it will be more efficient if all -requests from a particular user are routed to a single instance. Extracting a -user ID from the access token or `Authorization` header is currently left as an -exercise for the reader. Admins may additionally wish to separate out `/sync` +requests from a particular user are routed to a single instance. This can +be done e.g. in nginx via IP `hash $http_x_forwarded_for;` or via +`hash $http_authorization consistent;` which contains the users access token. + +Admins may additionally wish to separate out `/sync` requests that have a `since` query parameter from those that don't (and `/initialSync`), as requests that don't are known as "initial sync" that happens when a user logs in on a new device and can be *very* resource intensive, so |