Update README.md

Financial-Times · Jul 27, 2018 · 53ab7eb · 53ab7eb
1 parent df4e933
commit 53ab7eb
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -4,6 +4,8 @@ Logger useful for AWS lambda applications, particularly those which are aggregat
 
 This was created to provide a simple logger, compatible with lambda, which outputs in a JSON format ([n-logger](https://github.com/Financial-Times/n-logger)) was previously used but didn't handle nested JSON fields or provide a JSON option).
 
+This does make `process.stdout.write` a blocking function (`process.stdout._handle.setBlocking(true);`), as AWS Lambda previously streamed to an output which was synchronous, but has since changed to asynchronous behaviour, leading to lost logs.
+
 [![CircleCI](https://circleci.com/gh/Financial-Times/lambda-logger.svg?style=svg&circle-token=95d28799bf7519d6c9628cb0cdb053f08ff9ff30)](https://circleci.com/gh/Financial-Times/lambda-logger) [![Coverage Status](https://coveralls.io/repos/github/Financial-Times/lambda-logger/badge.svg?branch=master)](https://coveralls.io/github/Financial-Times/lambda-logger?branch=master)
 
 ## API