4 ms·
if storage and compute are separated - how is storage mounted on to the compute? Generally you can attach a volume only to one server at a time
by asadawadia 4y ago
if storage and compute are separated - how is storage mounted on to the compute? Generally you can attach a volume only to one server at a time
- nikita 4y agoWe changed Postgres to send WAL to safekeepers and read from page servers: https://neon.tech/blog/architecture-decisions-in-neon/ https://neon.tech/blog/architecture-decisions-in-neon/
- asadawadia 4y agoSafekeeper to page servers take some time what happens when the compute server issues a read for something that has made it to the WAL servers but not the page servers?
- kelvich 4y agoPostgres tracks maximal LSN among the evicted pages and passes it to the pageserver in the page request. If the pageserver hasn't received that LSN, it will wait for it to arrive.