Data Aggregator dadaemon service restarts causing Performance Management synchronization failure

Products

• CA Infrastructure Management
• CA Performance Management - Usage and Administration
• DX NetOps

Issue/Introduction

The Data Aggregator dadaemon service is restarting on it's own.

It is seen happening a few times a day, other times it's seen happening a few days apart.

The ActiveMQ service remains running, only the dadaemon service restarts.

In the (default path) /opt/IMDataAggregator/apache-karaf-<version> directory files named 'hs_err_pid<PID>.log are present. The <PID> represents the Process ID (PID) of the dadaemon service that is restarting. Within the file a message that states the following is seen.

# There is insufficient memory for the Java Runtime Environment to continue.

Cause

Excessive item counts triggering Out of Memory (OOM) errors for the dadaemon service which triggers its restart.

Environment

Release : 3.7

Component : IM Data Aggregator

Resolution

Clean up the excessive items