Blocker - P1
Red Hat Enterprise Linux Server release 7.6 (Maipo)
On a production 3 nodes mongodb replicaset we're observing that the db is using only 40% of the ram, then it uses the swap memory.
- Does this affect any team outside of WT? no
- How likely is it that this use case or problem will occur? It has been a month so far.
- If the problem does occur, what are the consequences and how severe are they? We're observing some severe slowness at application level.
- Is this issue urgent? Yes, this is a production environment.
Acceptance Criteria (Definition of Done)
(When will this ticket be considered done? What is the acceptance criteria for this ticket to be closed?)
We'd like to know if we need to set the cacheSize parameter and how to set it, actually it's not not set. How much should we set the value?
- Documentation update. No
[Optional] Suggested Solution
- is related to
SERVER-69745 Memory not entirely used, Mongo uses swap