Mercurial > prosody-modules
annotate mod_storage_multi/README.markdown @ 5787:e79f9dec35c0
mod_c2s_conn_throttle: Reduce log level from error->info
Our general policy is that "error" should never be triggerable by remote
entities, and that it is always about something that requires admin
intervention. This satisfies neither condition.
The "warn" level can be used for unexpected events/behaviour triggered by
remote entities, and this could qualify. However I don't think failed auth
attempts are unexpected enough.
I selected "info" because it is what is also used for other notable session
lifecycle events.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Thu, 07 Dec 2023 15:46:50 +0000 |
| parents | a7fdab9c14e2 |
| children |
| rev | line source |
|---|---|
| 1886 | 1 --- |
| 2 summary: Multi-backend storage module (WIP) | |
| 3 labels: | |
| 4 - NeedDocs | |
|
1887
a7fdab9c14e2
mod_storage_multi: Put in Alpha stage
Kim Alvefur <zash@zash.se>
parents:
1886
diff
changeset
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5 - Stage-Alpha |
| 1886 | 6 ... |
| 7 | |
| 8 Introduction | |
| 9 ============ | |
| 10 | |
| 11 This module attemtps to provide a storage driver that is really multiple | |
| 12 storage drivers. This could be used for storage error tolerance or | |
| 13 caching of data in a faster storage driver. | |
| 14 | |
| 15 Configuration | |
| 16 ============= | |
| 17 | |
| 18 An example: | |
| 19 | |
| 20 ``` {.lua} | |
| 21 storage = "multi" | |
| 22 storage_multi_policy = "all" | |
| 23 storage_multi = { | |
| 24 "memory", | |
| 25 "internal", | |
| 26 "sql" | |
| 27 } | |
| 28 ``` | |
| 29 | |
| 30 Here data would be first read from or written to [mod\_storage\_memory], | |
| 31 then internal storage, then SQL storage. For reads, the first successful | |
| 32 read will be used. For writes, it depends on the `storage_multi_policy` | |
| 33 option. If set to `"all"`, then all storage backends must report success | |
| 34 for the write to be considered successful. Other options are `"one"` and | |
| 35 `"majority"`. |