What is the use of scalability server Run in Bulk Update Mode Option ?
A Database update is made for each item like status messages and inventory records when "Bulk Update Mode" is set to FALSE. If it is set to TRUE ,The scalability server caches all the job status messages and the inventory records and wait for scheduled time to update database in batches.
This can be configured on Domain Manager Configuration Policy by following below step
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There will be a delay in Update of software installation records when scalability server is running in bulk update mode ,because it stores the messages for bulk update and process it in scheduled time.