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How to split and sync jobs in a job chain
Scope Use Case Run parts of a job chain in parallel, i.e. split jobs for parallel processing. Synchronize jobs after parallel processing. Solution Outline Two standard JITL Jobs are provided for this: split an incoming order into multiple orders that are running in parallel through a job chain within a rangeCan a job call database procedures or a successor job for error handling?
Triggering Error Conditions Question: Can a job call a database procedure or successor job as a method of handling errors? Answer: Error states within job chains are assigned to job and it is up to you to implement a job for error handling. The JobScheduler can be configured to send mails with an attached log fileHow to execute Jobs and Job Chains with Agents
Scope Jobs and Job Chains can be executed by Agents. This article describes some of the possible ways available for assigning Agents to jobs and job chains. Example configuration files are provided for downloading. Assignment of Agents Jobs and job chains are linked to Agents by means of Process ClassesExample for a generic shell job passing the shell script to execute as a job parameter
A simple way to reduce the number of jobs or job chains for shell scripts is to use a generic job, job chain and orders: <job order="yes" stop_on_error="no" title="This job is a example showing the generic execution of a shell script or a shell command"> <script language="shellHow to pass parameters to subsequent jobs in a job chain
Accessing parameters in shell scripts Job and order parameters are exposed as environment variables to shell scripts. Environment variables are named using … see Which environment variables are provided by JobScheduler? Examples The following two examples show a task parameter defined in a job <param> tag canHow to Configure Backward Dependencies in Jobs and Job Chains
JobScheduler can make the start of a job chain dependent on the execution of previous jobs and job chains. The following links describe the use of scripts to check job and job chain histories via the JobScheduler's XML interface before starting a job chain: For the configuration of job chains whose executionGetting Started - Setting up jobs and job chains
Standalone Jobs and Order Jobs JobScheduler comes with two types of job that can be used to carry out workflow automation tasks - Standalone Jobs and Order Jobs. Standalone Jobs are simple to configure but are neither as flexible nor as powerful as Order Jobs. However, Standalone Jobs are quite often used in simplerIs there a limit to the number of jobs in a job chain?
There is actually no limit. We know of customers who are using job chains with more than 200 jobs in a chain. configuration jobscheduler job-configuration job-chain order faq job-design job-and-orderCan a job chain be manually restarted at any job node after an error?
Question: If a job aborts in the middle of the job chain, can an operator manually re-start the job chain from the job node after the aborted job? Answer: Yes, an operator can restart a job chain at any job node. He can modify, if required, the order parameters as well. job-chain jobscheduler error-handling faqRestoring enqueued orders and jobs in job chains
Question: We have a linear job chain of jobs - 1,2,3. I kill JobScheduler after Job1 is complete but while Job2 is still running and then start the scheduler back up. If we then re-start the job chain, will it start at Job2? Answer: Yes, the order will be enqueued with a state for Job2. This applies to both orders