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Adds a note about stale reads to the performance guide.

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James Phillips 2016-08-30 18:11:05 -07:00 committed by GitHub
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website/source/docs/guides/performance.html.markdown
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@ -78,8 +78,9 @@ or add more powerful servers.
* For DNS-heavy workloads, configuring all Consul agents in a cluster with the
[`allow_stale`](/docs/agent/options.html#allow_stale) configuration option will allow reads to
scale across all Consul servers, not just the leader. See [Stale Reads](/docs/guides/dns-cache.html#stale)
in the [DNS Caching](/docs/guides/dns-cache.html) guide for more details. It's also good to set
scale across all Consul servers, not just the leader. Consul 0.7 and later enables stale reads
for DNS by default. See [Stale Reads](/docs/guides/dns-cache.html#stale) in the
[DNS Caching](/docs/guides/dns-cache.html) guide for more details. It's also good to set
reasonable, non-zero [DNS TTL values](/docs/guides/dns-cache.html#ttl) if your clients will
respect them.