# Can the DRAGEN system handle concurrent users? ### **Can the DRAGEN system handle concurrent users?** ### The DRAGEN system can only be used by one user at a time. The best way to handle multiple users is to place a job queueing mechanism in front of the DRAGEN that can accept jobs from users and queue them up. That mechanism then calls the DRAGEN application with one job at a time, notifying users when their job is done. DRAGEN works well with SLURM or LSF as a scheduler to manage multiple users. \ \ \
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