PoolInterface buffer size regression issue in akka-http 10.2.10
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Description
### Discussed in https://github.com/apache/incubator-pekko-http/discussions/138
Originally posted by **jphelp32** April 18, 2023
@jrudolph
can you comment on the likelihood of pekko-http addressing this regression that was introduced in akka-http 10.2.10: https://github.com/akka/akka-http/pull/4132#issuecomment-1238618118
We are currently locked at akka-http 10.2.9 due to this issue. As we're planning our migration to pekko, I'm trying to plan whether to expect a fix in pekko-http, or if we should plan to adjust our configs according to the newer/broken(?) behavior that was introduced in 10.2.10.
thanks
_Original akka-http issue_: https://github.com/akka/akka-http/issues/4156
_Summary_:
> 10.2.10 seems to have changed the semantics of the host connection pool max-open-requests configuration. Consider that N requests to a single host are accepted by Http().singleRequest() before a BufferOverflowException occurs. Prior to the mentioned change, N = max-open-connections. Now after this change, it appears that N = max-open-requests + max-connections.
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