From 8b8731c3c803b274682cc3f7f053f670bca5ce0e Mon Sep 17 00:00:00 2001
From: Alan West <3676547+alanwest@users.noreply.github.com>
Date: Thu, 10 Sep 2020 09:30:30 -0700
Subject: [PATCH] Document StackExchange.Redis instrumentation options (#1256)

* Document StackExchange.Redis instrumentation options

* Fix markdown
---
 .../README.md                                 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/OpenTelemetry.Instrumentation.StackExchangeRedis/README.md b/src/OpenTelemetry.Instrumentation.StackExchangeRedis/README.md
index f7fdf9d4c..4e652b8db 100644
--- a/src/OpenTelemetry.Instrumentation.StackExchangeRedis/README.md
+++ b/src/OpenTelemetry.Instrumentation.StackExchangeRedis/README.md
@@ -61,8 +61,25 @@ For an ASP.NET application, adding instrumentation is typically done in the
 This instrumentation can be configured to change the default behavior by using
 `StackExchangeRedisCallsInstrumentationOptions`.
 
-TODO - describe options
+### FlushInterval
+
+StackExchange.Redis has its own internal profiler. OpenTelmetry converts each
+profiled command from the internal profiler to an Activity for collection. By
+default, this conversion process flushes profiled commands on a 10 second
+interval. The `FlushInterval` option can be used to adjust this internval.
+
+The following example shows how to use `FlushInterval`.
+
+```csharp
+using Sdk.CreateTracerProviderBuilder()
+    .AddRedisInstrumentation(
+        connection,
+        options => options.FlushInterval = TimeSpan.FromSeconds(5))
+    .AddConsoleExporter()
+    .Build();
+```
 
 ## References
 
 * [OpenTelemetry Project](https://opentelemetry.io/)
+* [StackExchange.Redis Profiling](https://stackexchange.github.io/StackExchange.Redis/Profiling_v1.html)