mirror of
https://github.com/matrix-construct/construct
synced 2024-11-02 11:58:53 +01:00
23 lines
954 B
Markdown
23 lines
954 B
Markdown
|
|
||
|
|
# TROUBLESHOOTING
|
||
|
|
|
||
|
|
##### Recovering from broken configurations
|
||
|
|
|
||
|
|
If your server ever fails to start from an errant conf item: you can override
|
||
|
|
any item using an environmental variable before starting the program. To do
|
||
|
|
this simply replace the '.' characters with '_' in the name of the item when
|
||
|
|
setting it in the environment. The name is otherwise the same, including its
|
||
|
|
lower case.
|
||
|
|
|
||
|
|
##### Recovering from database corruption
|
||
|
|
|
||
|
|
In very rare cases after a hard crash the journal cannot completely restore
|
||
|
|
data before the crash. Due to the design of rocksdb and the way we apply it
|
||
|
|
for Matrix, data is lost in chronological order starting from the most recent
|
||
|
|
transaction (matrix event). The database is consistent for all events up until
|
||
|
|
the first corrupt event, called the point-in-time.
|
||
|
|
|
||
|
|
When any loss has occurred the daemon will fail to start normally. To enable
|
||
|
|
point-in-time recovery use the command-line option `-pitrecdb` at the next
|
||
|
|
invocation.
|