><li><p>Follow the <a href=/v1.8/docs/ops/integrations/jaeger/#installation>Jaeger installation</a> documentation to deploy Jaeger into your cluster.</p></li><li><p>When you enable tracing, you can set the sampling rate that Istio uses for tracing.
Use the <code>meshConfig.defaultConfig.tracing.sampling</code> option during installation to
<a href=/v1.8/docs/tasks/observability/distributed-tracing/configurability/#customizing-trace-sampling>set the sampling rate</a>.
The default sampling rate is 1%.</p></li