Zimbra ZBUG-4827: 100% CPU Utilization Due To AutoComplete (Contacts Ranking Database) Bug
In April 2025 I opened a Support Case with Zimbra, which resulted in Zimbra issuing ZBUG-4827: Contact Ranking fetch causing slowness. This is an AutoComplete (Contacts Ranking Database) bug. This blog post will help you identify if your Zimbra system is subject to this bug, and your options for addressing …