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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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None
We need to update our logic around when to send $readPreference to mongos.
The logic should be:
@client.mongos? && !primary? && (!secondary_preferred? || has_tags?)
This is the relevant line of code:
https://github.com/mongodb/mongo-ruby-driver/blob/1.x-stable/lib/mongo/cursor.rb#L668