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Auto-refresh will be disabled by default.

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This commit is contained in:
Kyle Banker 2011-10-26 10:26:50 -04:00
parent 1da5778c38
commit 9b6589e033
2 changed files with 7 additions and 3 deletions
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6
docs/REPLICA_SETS.md
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@ -41,7 +41,11 @@ the state of any secondary node, the automated refresh will ensure that this sta
If you add a secondary that responds to pings much faster than the existing nodes, then the new secondary will If you add a secondary that responds to pings much faster than the existing nodes, then the new secondary will
be used for reads. be used for reads.
Refresh mode is enabled in synchronous mode by default. This is the recommended setting, but here's how to specify this explicitly: Refresh mode is disabled by default.
However, if you expect to make live changes to your secondaries, and you want this to be reflected without
having to manually restart your app server, then you should enable it. You can enable synchronously, which will
refresh the replica set data in a synchronous fashion (which may ocassionally slow down your queries):
@connection = ReplSetConnection.new(['n1.mydb.net', 27017], :refresh_mode => :sync) @connection = ReplSetConnection.new(['n1.mydb.net', 27017], :refresh_mode => :sync)

4
lib/mongo/repl_set_connection.rb
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@ -57,7 +57,7 @@ module Mongo
# @option opts [Float] :connect_timeout (nil) The number of seconds to wait before timing out a # @option opts [Float] :connect_timeout (nil) The number of seconds to wait before timing out a
# connection attempt. # connection attempt.
# @option opts [Boolean] :ssl (false) If true, create the connection to the server using SSL. # @option opts [Boolean] :ssl (false) If true, create the connection to the server using SSL.
# @option opts [Boolean] :refresh_mode (:sync) Set this to :async to enable a background thread that # @option opts [Boolean] :refresh_mode (false) Set this to :async to enable a background thread that
# periodically updates the state of the connection. If, for example, you initially connect while a secondary # periodically updates the state of the connection. If, for example, you initially connect while a secondary
# is down, this will reconnect to that secondary behind the scenes to # is down, this will reconnect to that secondary behind the scenes to
# prevent you from having to reconnect manually. If set to :sync, refresh will happen # prevent you from having to reconnect manually. If set to :sync, refresh will happen
@ -117,7 +117,7 @@ module Mongo
@arbiters = [] @arbiters = []
# Refresh # Refresh
@refresh_mode = opts.fetch(:refresh_mode, :sync) @refresh_mode = opts.fetch(:refresh_mode, false)
@refresh_interval = opts[:refresh_interval] || 90 @refresh_interval = opts[:refresh_interval] || 90
@last_refresh = Time.now @last_refresh = Time.now