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connection_pool Changelog

2.4.1

  • New auto_reload_after_fork config option to disable auto-drop [#177, shayonj]

2.4.0

  • Automatically drop all connections after fork [#166]

2.3.0

  • Minimum Ruby version is now 2.5.0
  • Add pool size to TimeoutError message

2.2.5

  • Fix argument forwarding on Ruby 2.7 [#149]

2.2.4

  • Add reload to close all connections, recreating them afterwards [Andrew Marshall, #140]
  • Add then as a way to use a pool or a bare connection with the same code path [#138]

2.2.3

  • Pool now throws ConnectionPool::TimeoutError on timeout. [#130]
  • Use monotonic clock present in all modern Rubies [Tero Tasanen, #109]
  • Remove code hacks necessary for JRuby 1.7
  • Expose wrapped pool from ConnectionPool::Wrapper [Thomas Lecavelier, #113]

2.2.2

  • Add pool size and available accessors for metrics and monitoring purposes [#97, robholland]

2.2.1

  • Allow CP::Wrapper to use an existing pool [#87, etiennebarrie]
  • Use monotonic time for more accurate timeouts [#84, jdantonio]

2.2.0

  • Rollback Timeout handling introduced in 2.1.1 and 2.1.2. It seems impossible to safely work around the issue. Please never, ever use Timeout.timeout in your code or you will see rare but mysterious bugs. [#75]

2.1.3

  • Don't increment created count until connection is successfully created. [mylesmegyesi, #73]

2.1.2

  • The connection_pool will now close any connections which respond to close (Dalli) or disconnect! (Redis). This ensures discarded connections from the fix in 2.1.1 are torn down ASAP and don't linger open.

2.1.1

  • Work around a subtle race condition with code which uses Timeout.timeout and checks out a connection within the timeout block. This might cause connections to get into a bad state and raise very odd errors. [tamird, #67]

2.1.0

  • Refactoring to better support connection pool subclasses [drbrain, #55]
  • with should return value of the last expression [#59]

2.0.0

  • The connection pool is now lazy. Connections are created as needed and retained until the pool is shut down. [drbrain, #52]

1.2.0

  • Add with(options) and checkout(options). [mattcamuto] Allows the caller to override the pool timeout.
@pool.with(:timeout => 2) do |conn|
end

1.1.0

  • New #shutdown method (simao)

    This method accepts a block and calls the block for each connection in the pool. After calling this method, trying to get a connection from the pool raises PoolShuttingDownError.

1.0.0

  • #with_connection is now gone in favor of #with.

  • We no longer pollute the top level namespace with our internal TimedStack class.

0.9.3

  • #with_connection is now deprecated in favor of #with.

    A warning will be issued in the 0.9 series and the method will be removed in 1.0.

  • We now reuse objects when possible.

    This means that under no contention, the same object will be checked out from the pool after subsequent calls to ConnectionPool#with.

    This change should have no impact on end user performance. If anything, it should be an improvement, depending on what objects you are pooling.

0.9.2

  • Fix reentrant checkout leading to early checkin.

0.9.1

  • Fix invalid superclass in version.rb

0.9.0

  • Move method_missing magic into ConnectionPool::Wrapper (djanowski)
  • Remove BasicObject superclass (djanowski)

0.1.0

  • More precise timeouts and better error message
  • ConnectionPool now subclasses BasicObject so method_missing is more effective.