class SessionPoolingParams[A <: Parameterized[A]] extends AnyRef
A collection of methods for configuring the Pooling module of Finagle clients.
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a Stack.Parameterized client to configure
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- new SessionPoolingParams(self: Parameterized[A])
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def
maxSize(sessionsPerHost: Int): A
Configures the total number of temporary (may be closed and reestablished) and persistent (remain open during the lifetime of a given client/pool per-host sessions of this client's pool (default: unbounded).
Configures the total number of temporary (may be closed and reestablished) and persistent (remain open during the lifetime of a given client/pool per-host sessions of this client's pool (default: unbounded).
- Note
The session pool will not have more active sessions than
sessionsPerHost
.- See also
https://twitter.github.io/finagle/guide/Clients.html#pooling
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def
maxWaiters(maxWaitersPerHost: Int): A
Configures the maximum number of per-host sessions requests that are queued when the connections concurrency exceeds the maximum size of this pool (default: unbounded).
Configures the maximum number of per-host sessions requests that are queued when the connections concurrency exceeds the maximum size of this pool (default: unbounded).
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def
minSize(sessionsPerHost: Int): A
Configures the number of per-host persistent (remain open during the lifetime of a given client/pool) sessions of this client's pool (default: 0).
Configures the number of per-host persistent (remain open during the lifetime of a given client/pool) sessions of this client's pool (default: 0).
- Note
The session pool will not be shrinked below
sessionsPerHost
.- See also
https://twitter.github.io/finagle/guide/Clients.html#pooling
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ttl(timeout: Duration): A
Configures the session pool TTL timeout, the maximum amount of time a given _temporary_ per-host session is allowed to be cached in a pool (default: unbounded).
Configures the session pool TTL timeout, the maximum amount of time a given _temporary_ per-host session is allowed to be cached in a pool (default: unbounded).
The expiration task runs at most per min(TTL, 1s), thus the "real" TTL is a uniform distribution in the range [ttl, min(ttl + 1s, ttl * 2)). Put this way, it is acceptable to lag the session expiration for at most TTL or 1 second, whichever is shorter.
- Note
TTL does not apply to permanent sessions (up to
minSize
).- See also
https://twitter.github.io/finagle/guide/Clients.html#pooling
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