Simon Martin

Add health configuration files.

2

For the charts of the default configuration, add health configuration. https://learn.netdata.cloud/docs/agent/health/reference/

Add connection timeout when making JMX connections.

2

Otherwise the initialization process may hang for a very long time. https://community.oracle.com/blogs/emcmanus/2007/05/23/making-jmx-connection-timeout

Clones https://github.com/netdata/netdata/issues/3046 Currently the JMX module of the java plugin can only connect to JMX Servers without authentication. We should provide a way to configure authentication for custom servers. This...

Clone of https://github.com/netdata/netdata/issues/3632 For description and discussion please use the clone.

Clone of https://github.com/netdata/netdata/issues/3101 Documentation: https://github.com/ezbz/jmxtrans-lib/blob/master/cassandra/output/mycass01-cassandra.json

Add CPU usage per thread

2

from: java.lang:type=Threading 1. Find thread IDs: AllThreadIds 2. (find names to ids?) 3. Query ThreadCpuTime and maybe ThreadUserTime for every thread. We need to find a way to configure this...

Support monitoring array size of MBean attributes

2

java.lang:type=Threading DeadlockedThreads. Display number of DeadlockedThreads. DeadlockedThreads is a long[]. We want to count the size of long[]. We need to find a way to configure this kind of collection.

Mark charts of dead Java processes obsolete.

2

If a Java process gets killed we currently do not collect values any more, but the chart get's empty. For auto-configured processes, if the process is started with a new...

Optimize data collection.

2

The JMX API supports to query multiple attributes of one MBean with one request. We should support that too. Needed research: - Does this improve performance? - Is using `getAttributes`...