Shany Pozin 67d418e91c Set the last_record_gauge to the value which was persisted metadata (#3460) ...

## Describe your changes
Whenever a tenant is detached or the pageserver is restarted the
pageserver_last_record_lsn metric is dropped
This fix resurrects the value from the metadata whenever the tenant is
attached again
## Issue ticket number and link
[3571](https://github.com/neondatabase/cloud/issues/3571)
## Checklist before requesting a review
- [X] I have performed a self-review of my code.
- [ ] If it is a core feature, I have added thorough tests.
- [ ] Do we need to implement analytics? if so did you add the relevant
metrics to the dashboard?
- [ ] If this PR requires public announcement, mark it with
/release-notes label and add several sentences in this section.

2023-01-29 12:40:50 +02:00

..

benches

Implement layer map using immutable BST (#2998)

2023-01-20 16:10:12 -05:00

fixtures

walredo: simple tests and bench updates (#3045)

2023-01-16 18:24:45 +02:00

src

Set the last_record_gauge to the value which was persisted metadata (#3460)

2023-01-29 12:40:50 +02:00

Cargo.toml

Implement layer map using immutable BST (#2998)

2023-01-20 16:10:12 -05:00