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Don't unnecessarily start bg process in replication sending loop. (#8670)
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changelog.d/8670.misc
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changelog.d/8670.misc
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Reduce number of OpenTracing spans started.
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@ -117,6 +117,16 @@ class ReplicationStreamer:
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stream.discard_updates_and_advance()
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stream.discard_updates_and_advance()
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return
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return
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# We check up front to see if anything has actually changed, as we get
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# poked because of changes that happened on other instances.
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if all(
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stream.last_token == stream.current_token(self._instance_name)
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for stream in self.streams
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):
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return
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# If there are updates then we need to set this even if we're already
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# looping, as the loop needs to know that he might need to loop again.
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self.pending_updates = True
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self.pending_updates = True
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if self.is_looping:
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if self.is_looping:
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