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Understanding the Talend Remote Engine clean-up cycle

The Talend Remote Engine cleans up Job artifacts on a schedule, based on data cleaning parameters. You can customize the Talend Remote Engine clean-up schedule by changing the parameters in the org.talend.remote.jobserver.server.cfg file, listed under Temporary data cleaning parameters. Configuring these values is optional.

Information noteNote: Make sure each Remote Engine instance has its separate TalendJobServersFiles folder, as explained in Deploying multiple Remote Engines.

General clean-up frequency

The general clean-up schedule is defined by the FREQUENCY_CLEAN_ACTION parameter. You can disable the general clean-up by setting this parameter to 0.

Job repository and archive clean-up

Job artifacts are cleaned up in the next clean-up cycle when the following conditions are met:
  • The Job is not running.
  • Either the MAX_DURATION_BEFORE_CLEANING_OLD_JOBS or MAX_OLD_JOBS parameter is met.

Job execution log clean-up

Job logs are cleaned up in the next cycle when the following conditions are met:

  • Either the MAX_DURATION_BEFORE_CLEANING_OLD_EXECUTIONS_LOGS or MAX_OLD_EXECUTIONS_LOGS parameter is met.
  • The Job execution is released. A Job is released after 50 Job executions. You can change the Job release frequency by changing the MIN_NUMBER_JOB_EXECUTIONS_BEFORE_RELEASE parameter.

A log without errors is released if the elapsed time since the start of the log is greater than the time defined in the MAX_DURATION_BEFORE_JOB_EXECUTION_RELEASE_NORMAL_CASE and MAX_DURATION_BEFORE_JOB_EXECUTION_RELEASE_ABNORMAL_CASE parameters.

Information noteNote: For each MAX_OLD_* and MAX_DURATION_* parameter pair, whichever is reached first will trigger a cleaning action.

Talend Remote Engine clean-up parameters

The following tables lists the default values for each of the clean-up parameters.
Information noteNote: All parameters in this file are prefixed with org.talend.remote.jobserver.commons.config.JobServerConfiguration.
Parameter Default Description
FREQUENCY_CLEAN_ACTION 10 minutes Defines the time between each Talend Remote Engine cleaning action. Set this value to 0 to disable automatic cleaning.
MAX_OLD_JOBS 200 Defines the maximum number of artifacts and deployed Jobs to keep. Once this value is passed, artifacts are deleted beginning with the oldest. Set this value to 0 to disable this parameter.
MAX_DURATION_BEFORE_CLEANING_OLD_JOBS 3 months Defines the maximum before cleaning archives and deployed Jobs. Set this value to 0 to disable this parameter.
MAX_OLD_EXECUTIONS_LOGS 1000 Defines the maximum number of execution logs to keep. Once this value is passed, logs are deleted beginning with the oldest. Set this value to 0 to disable this parameter.
MAX_DURATION_BEFORE_CLEANING_OLD_EXECUTIONS_LOGS 3 months Defines the maximum time before cleaning execution logs. Set this value to 0 to disable this parameter.
MIN_NUMBER_JOB_EXECUTIONS_BEFORE_RELEASE 50 Defines the minimum number of Job executions before a Job is released. Job logs cannot be cleaned until the Job is released.
MAX_DURATION_BEFORE_JOB_EXECUTION_RELEASE_NORMAL_CASE 5 minutes Defines the maximum time for a normal execution before a Job is released.
MAX_DURATION_BEFORE_JOB_EXECUTION_RELEASE_ABNORMAL_CASE 24 hours Defines the maximum time before an abnormal execution before a Job is released. The abnormal duration applies to Job execution log files that contain errors.

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