 |
The procedure for stopping the information harvesting process is much simpler. In the first step, user sends a request to Job Manager for obtaining a list of running jobs. User then selects a job Jn and sends a request to Job Manager for stopping the information harvesting process. Based on the job information in database, the Job Manager checks whether there is any invalid information in the request or not. After that, Job Manager asks Queue Manager to delete the metadata queue and data queue related to job Jn. Job Manager also asks Queue Manager to add job Jn to DELETED_JOB_QUEUE queue. Object Collector gets job Jn from DELETED_JOB_QUEUE queue, stops processing job Jn and continues to process the other jobs in JOB_QUEUE. Metadata Importer gets job Jn from DELETED_JOB_QUEUE queue and stops processing the metadata related to job Jn and continues to process the metadata of other jobs. Data Downloader gets job Jn from DELETED_JOB_QUEUE queue and stops processing the data related to job Jn |
IEEE/ICACT20220341 Slide.12
[Big Slide]
[YouTube]