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Create a new snapshot harvest with a 'Max number of bytes per domain' of 5MB (i.e, 5000000 bytes) , harvesting domains not completed in the previous harvest.
Pause a
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Harvestjob in the Heritrix GUI
Under "currently running jobs" there is a link to the relevant Heritrix GUI. Click on this (admin/adminPassword) and pause the job. (If there are firewall problems it might be necessary to login to the harvester machine and start a webbrowser on that machine instead.)
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