Add DeleteStreamsForSessionAsync to ISseEventStreamStore
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 58/100
Research direction
Start at ISseEventStreamStore and trace its implementations and callers, especially session termination through RunSessionHandler. Add the requested asynchronous deletion operation and verify that all streams and associated events for the given session are removed, with cancellation supported.
Written by the indexing model from the issue text.
Description
Is your feature request related to a problem? Please describe.
When an MCP session ends, the SSE event streams stored by ISseEventStreamStore for that session are not proactively cleaned up. They persist until cache expiration removes them. This wastes storage, especially in high-throughput scenarios with many short-lived sessions.
Describe the solution you'd like
Add a DeleteStreamsForSessionAsync(string sessionId, CancellationToken) method to ISseEventStreamStore that deletes all stored streams and their associated events for a given session.
Describe alternatives you've considered
An alternative is to rely solely on cache expiration to keep resource consumption low. Since it is relatively easy to catch session terminations (with RunSessionHandler), it seems reasonable to provide a means to delete the streams for this session since they are known to be no longer needed.
Additional context
- Dominant language
- C#
- Stars
- 4.5k
- Forks
- 814
- Avg merge
- 9d 19h
- Merged PRs (30d)
- 4
Contributor guide
First steps
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- Open a pull request that references the issue number.
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