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c

com.twitter.finagle.param

SessionPoolingParams

class SessionPoolingParams[A <: Parameterized[A]] extends AnyRef

A collection of methods for configuring the Pooling module of Finagle clients.

A

a Stack.Parameterized client to configure

See also

https://twitter.github.io/finagle/guide/Clients.html#pooling

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Instance Constructors

  1. new SessionPoolingParams(self: Parameterized[A])

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  12. 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

  13. 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).

    See also

    https://twitter.github.io/finagle/guide/Clients.html#pooling

  14. 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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  20. def 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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