This Kerberos Ticket Renewer health test checks that the number of file descriptors used does not rise above some percentage of the Kerberos Ticket Renewer file descriptor limit. A failure of this health test may indicate a bug in either Hadoop or Cloudera Manager. Contact Cloudera support. This test can be configured using the File Descriptor Monitoring Thresholds Kerberos Ticket Renewer monitoring setting.

Short Name: File Descriptors

This Kerberos Ticket Renewer health test checks that the filesystem containing the heap dump directory of this Kerberos Ticket Renewer has sufficient free space. This test can be configured using the Heap Dump Directory Free Space Monitoring Absolute Thresholds and Heap Dump Directory Free Space Monitoring Percentage Thresholds Kerberos Ticket Renewer monitoring settings.

Short Name: Heap Dump Directory Free Space

This Kerberos Ticket Renewer health test factors in the health of the host upon which the Kerberos Ticket Renewer is running. A failure of this test means that the host running the Kerberos Ticket Renewer is experiencing some problem. See that host's status page for more details.This test can be enabled or disabled using the Kerberos Ticket Renewer Host Health Test Kerberos Ticket Renewer monitoring setting.

Short Name: Host Health

This Kerberos Ticket Renewer health test checks that the filesystem containing the log directory of this Kerberos Ticket Renewer has sufficient free space. This test can be configured using the Log Directory Free Space Monitoring Absolute Thresholds and Log Directory Free Space Monitoring Percentage Thresholds Kerberos Ticket Renewer monitoring settings.

Short Name: Log Directory Free Space

This Kerberos Ticket Renewer health test checks that the Cloudera Manager Agent on the Kerberos Ticket Renewer host is heart beating correctly and that the process associated with the Kerberos Ticket Renewer role is in the state expected by Cloudera Manager. A failure of this health test may indicate a problem with the Kerberos Ticket Renewer process, a lack of connectivity to the Cloudera Manager Agent on the Kerberos Ticket Renewer host, or a problem with the Cloudera Manager Agent. This test can fail either because the Kerberos Ticket Renewer has crashed or because the Kerberos Ticket Renewer will not start or stop in a timely fashion. Check the Kerberos Ticket Renewer logs for more details. If the test fails because of problems communicating with the Cloudera Manager Agent on the Kerberos Ticket Renewer host, check the status of the Cloudera Manager Agent by running /etc/init.d/cloudera-scm-agent status on the Kerberos Ticket Renewer host, or look in the Cloudera Manager Agent logs on the Kerberos Ticket Renewer host for more details. This test can be enabled or disabled using the Kerberos Ticket Renewer Process Health Test Kerberos Ticket Renewer monitoring setting.

Short Name: Process Status

This Kerberos Ticket Renewer health test checks the amount of swap memory in use by the role. A failure of this health test may indicate that your machine is overloaded. This test can be configured using the Process Swap Memory Thresholds monitoring settings.

Short Name: Swap Memory Usage

This Kerberos Ticket Renewer health test checks that the Kerberos Ticket Renewer has not recently exited unexpectedly. The test returns "Bad" health if the number of unexpected exits exceeds a critical threshold. For example, if this test is configured with a critical threshold of 1, this test returns "Good" health if there have been no unexpected exits recently. If 1 or more unexpected exits occured recently, this test returns "Bad" health. The test also indicates whether any of the exits were caused by an OutOfMemory error if the Cloudera Manager Kill When Out of Memory monitoring setting is enabled. This test can be configured using the Unexpected Exits Thresholds and Unexpected Exits Monitoring Period Kerberos Ticket Renewer monitoring settings.

Short Name: Unexpected Exits