Oracle® Enterprise Manager

for Oracle TimesTen In-Memory Database Release Notes

Release 13.3.1.0.0

F16796-02

June 2019

This document provides late-breaking information and information that is not yet part of the formal documentation.

This document contains the following sections:

1 Changes in this release

This section lists the changes between releases:

1.1 Changes for Release 13.3.1.0.0 from Release 13.1.1.0.0

  • The Enterprise Manager Plug-in for Oracle TimesTen In-Memory Database now supports instances and databases from TimesTen Classic in Release 18.1 (18.1.2.1.0 or higher)

2 Platforms and configurations

The Enterprise Manager Plug-in for Oracle TimesTen In-Memory Database release 13.3.1.0.0 is supported on all platforms supported by TimesTen 11.2.2, TimesTen 18.1, and Enterprise Manager Agent 13c Release 1. These platforms include:

  • Linux x86 (32-bit)

  • Linux x86-64 (64-bit)

  • IBM AIX (64-bit)

  • Solaris Operating System (SPARC)

  • Solaris Operating System (x86-64)

  • Windows x86-64 (64-bit)

  • HP-UX Itanium (64-bit)

Additional requirements:

  • Install Oracle Enterprise Manager Cloud Control 13c Release 1 (or higher).

  • Install TimesTen 11.2.2 (11.2.2.8.0 or higher) or TimesTen 18.1 (18.1.2.1.0 or higher).

  • For optimal display, set your screen resolution to a minimum of 1280x1024 pixels.

The Enterprise Manager Plug-in for Oracle TimesTen In-Memory Database release 13.3.1.0.0 does not support Oracle Enterprise Manager 11g or 12c.

3 Software requirements and installation

For software requirements, refer to the Oracle Enterprise Manager for Oracle TimesTen In-Memory Database User's Guide.

4 Known problems and limitations

This section lists known problems and limitations.

TimesTen database home page:

  • In some cases, if you attempt to view the home page of a recently added TimesTen database target, you may see "N/A" for the value of some metrics. If this occurs, wait a few minutes while Enterprise Manager collects the metrics.

  • If you attempt to view the home page of a TimesTen database target that is not loaded into memory, some fields may contain "0" and the information in graphs may be stale. If this occurs, load the TimesTen database into memory and wait a few minutes before monitoring the target.

TimesTen database backup and restore page:

  • In some cases, if you attempt to create a backup schedule without specifying a Backup File Prefix, you may see a "Prefix can't be determined; provide one." error message. If this occurs, ensure that your TimesTen database has been loaded into memory for at least 15 minutes.

TimesTen database start/stop agents page:

  • In some cases, if you attempt to start the TimesTen cache agent of a database that is installed on the Windows platform, the start button on the TimesTen database start/stop agents page does not work. If this occurs, ensure that the TNS_ADMIN environment variable is defined. Then, restart the Enterprise Manager agent process from the Enterprise Manager console.

TimesTen database cache synchronization metrics page:

  • If you add or remove a read-only cache group while you are viewing data in real time on the Cache Autorefresh tab, the Readonly Cache table does not show the updated read-only cache groups. There are two workarounds and both require that you wait the duration of the agent upload interval time (default is 15 minutes):

    • Logout of Enterprise Manager and then log back in to Enterprise Manager.

    • Change your View Data option to Last 24 Hours and refresh the page. Once the page refreshes, change the View Data option to Real Time.

  • When your TimesTen target database is configured using the connection attribute CacheAWTMethod=0 (SQL array execution), the PL/SQL Execution Method (Batches sent to Oracle database) metric from the Cache AWT tab may increment. This is expected.

TimesTen 18.1:

  • Enterprise Manager only supports instances and databases from TimesTen Classic in Release 18.1.

  • TimesTen 18.1 no longer supports cache grid operations. Subsequently, the TimesTen database home page, replication monitor page, and all metric pages display any cache grid related function as unavailable or not applicable for databases from TimesTen Classic in Release 18.1.

Generic:

  • All graphs show the time based on the time zone of your browser even if the time zone of your monitoring agent is different. The agent time zone is listed in the top right corner of each Enterprise Manager page.

  • The agent may not pick up the correct time zone on the host. If this happens, do the following:

    1. Log on to the agent host.

    2. Make sure the agent host is configured using the appropriate time zone. For more information on configuring the agent host using the appropriate time zone, contact your system administrator.

    3. Execute emctl stop agent:

      $ emctl stop agent
      

      Results of execution:

      Oracle Enterprise Manager 13c Cloud Control Release 1
      Copyright (c) 1996, 2015 Oracle Corporation.  All rights reserved.
      Stopping agent ...... stopped.
      
    4. Execute emctl resettz agent:

      $ emctl resettz agent 
      

      Results of execution:

      Oracle Enterprise Manager 13c Cloud Control Release 1
      Copyright (c) 1996, 2015 Oracle Corporation.  All rights reserved.
      Updating /scratch/testuser/em/agent/agent_inst/sysman/config/ emd.properties...
      Successfully updated /scratch/testuser/em/agent/agent_inst/sysman/config/ emd.properties.
      Login as the em repository user and run the script:
      exec mgmt_target.set_agent_tzrgn('testhost.oracle.com:3872','PST8PDT')and commit the changes
      This can be done for example by logging into sqlplus and doing
      SQL> exec mgmt_target.set_agent_tzrgn('testhost.oracle.com:3872','PST8PDT')
      SQL> commit
      
    5. Connect to your database as the Enterprise Manager repository user using SQL*Plus:

      $ sqlplus sysman/sysman
      

      Results of execution:

      SQL*Plus: Release 11.2.0.3.0 Production on Fri Nov 20 08:48:00 2013
      
      Copyright (c) 1982, 2014, Oracle.  All rights reserved.
      
      Connected to:
      Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
      With the Partitioning, OLAP, Data Mining and Real Application Testing options 
      
    6. Copy and paste the SQL script from the output of step four. For example:

      SQL> exec mgmt_target.set_agent_tzrgn('testhost.oracle.com:3872','PST8PDT') 
      

      Results of execution:

      PL/SQL procedure successfully completed.
      
    7. Commit your transaction:

      SQL> commit; 
      

      Results of execution:

      Commit complete.
      
    8. Exit SQL*Plus:

      SQL> exit 
      

      Results of execution:

      Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
      With the Partitioning, OLAP, Data Mining and Real Application Testing options
      
    9. Execute emctl start agent:

      $ emctl start agent
      

      Results of execution:

      Oracle Enterprise Manager 13c Cloud Control Release 1  
      Copyright (c) 1996, 2015 Oracle Corporation.  All rights reserved.
      Starting agent ................................. started.
      
  • There may be missing replication monitor information if the Enterprise Manager Agent does not run as the same operating system user as the TimesTen instance administrator. Make sure to install the Enterprise Manager Agent as the same operating system user as the TimesTen instance administrator.

  • Historic statistics for your TimesTen target are not removed when the database is destroyed and recreated. Statistics from the previous database will still display. If you want to remove the old statistics, drop and recreate the TimesTen target in Enterprise Manager.

  • If you try to access a target from your Favorites list that has been deleted, an error displays. Acknowledge the error messages and remove the target from your Favorites list. If the Enterprise Manager browser window becomes unresponsive, use the browser back button to access other pages.

5 Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.


Oracle Enterprise Manager for Oracle TimesTen In-Memory Database Release Notes, Release 13.3.1.0.0

F16796-02

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