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565 B
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5 lines
565 B
Markdown
# Avoiding the Thundering Herd
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When a server goes down, there is a possible anti-pattern called the *Thundering Herd* where all of the clients try to reconnect immediately creating a denial of service attack. In order to prevent this, most NATS client libraries randomize the servers they attempt to connect to. This setting has no effect if only a single server is used, but in the case of a cluster, randomization, or shuffling, will ensure that no one server bears the brunt of the client reconnect attempts.
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!INCLUDE "../../_examples/reconnect_no_random.html" |