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Published Sep. 10, 2025

Deleting users using UserLocalServiceUtil.deleteUser(user) gets slow

Written By

Alexandra Rujzam

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Issue

  • UserLocalServiceUtil.deleteUser(user) API's performance decreases, when we try to use it to delete large number of users
  • At first this job started deleting 1100-1200 users in 1 hour per day, but after 3-4 days it is only deleting 200-300 users per hour. Why is it so slow?

Environment

  • Liferay Portal 6.2

Resolution

  • LPS-72002 solves the problem, Fix Pack 159 already contains it.
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