Weichao Duan

Title: Weichao Duan and Search-System Maintenance Innovation.

Introduction

Weichao Duan is an inventor based in San Jose, California. His work includes a patented method for maintaining search heads in a data intake and query system while minimizing performance impact.

Latest Patents

Duan is associated with 1 patent, titled “Performing Maintenance on Search Heads of a Data Intake and Query System with Minimal Performance Impact.” The invention describes determining whether a system has multiple search heads arranged in a cluster or a single search head. For an existing cluster, it uses a rolling upgrade process. For a system with only one search head, it adds search heads to form a cluster before carrying out the rolling upgrade. This approach is designed to support maintenance while limiting disruption to system performance.

Career Highlights

Duan is associated with Cisco Technology, Inc. His patent focuses on upgrading search-system components in a way that can help maintain service availability during maintenance.

Collaborations

Duan’s listed coworker is Tianyi Gou. Their shared professional context is associated with Cisco Technology, Inc., while the patent describes a method for upgrading search heads in a data intake and query system.

Conclusion

Weichao Duan’s patent addresses a practical challenge in data-system maintenance by describing a rolling-upgrade approach for both clustered and single-search-head configurations.