diff --git a/cdap-docs/reference-manual/source/release-notes.rst b/cdap-docs/reference-manual/source/release-notes.rst index f36ef903470c..1c8afb6a715f 100644 --- a/cdap-docs/reference-manual/source/release-notes.rst +++ b/cdap-docs/reference-manual/source/release-notes.rst @@ -131,6 +131,14 @@ Known Issues `__). - Writing to datasets through Hive is not supported in CDH4.x (`CDAP-988 `__). +- Currently, when a CDAP application is deleted, all metrics are deleted along with the + application. Depending on the amount of metrics data to be deleted, an application + deletion timeout can result. A recent change (`CDAP PR-928 + `__) attempts to address this problem by only + deleting aggregated metrics when an application is deleted. A side effect of this change + is that if you re-deploy an application immediately after deletion, you may still see + metrics from the previous session on timeseries charts. (`CDAP-1124 + `__). - A race condition resulting in a deadlock can occur when a TwillRunnable container shutdowns while it still has Zookeeper events to process. This occasionally surfaces when running with OpenJDK or JDK7, though not with Oracle JDK6. It is caused by a change in the