Metadata Synchronization: Design, Implementation and Optimizationby@bin-fan
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Metadata Synchronization: Design, Implementation and Optimization

by Bin Fan7mDecember 22nd, 2021
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Metadata sync is a core feature in Alluxio that keeps files and directories consistent with their source of truth in under storage systems. Understanding the internal process is important in order to tune the performance. This article describes the design and the implementation of the design of the metadata synchronized in the system. When applications make changes to the metadata, the change will always be propagated to the under storage synchronously, and there is no need to trigger applications update under storage files. Re-based on a time-based automatic sync, there are two approaches to govern the timing of metadata sync.

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VP of Open Source and Founding Member @Alluxio

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