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In this page we summarise:

• The reasons underpinning the CDS queuing time  
• The size of the CEMS-Flood datasets stored on MARS and accessible through the CDS
• The best practices to to maximise efficiency and minimise waiting time.

CDS Request times: the reasons underpinning the CDS queuing time

CDS Queuing can be monitored from the 'Your Requests' or using the 'CDS Live'

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The Figure -1  shows a period of high user activity. GloFAS and EFAS products are served by the adaptor.mars.external service, you can see that the active users (blue line) is well above the green line of 50 slots allocated to the GLoFAS and EFAS requests. When the blue line falls again below the green line then the total queued users start decreasing until eventually there is no queuing time for any user request.

Figure - 1 

CEMS-Flood data on MARS: the size of the CEMS-Flood datasets stored on MARS and accessible through the CDS

Table 1 - 

Request strategy: the best practices to to maximise efficiency and minimise waiting time.

Table 2 - Summary

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Whilst submitting multiple requests can improve download time, overloading the system with too many requests will eventually slow down the overall system performance.

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