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Tag: metadata sync

Cross Cluster Synchronization in Alluxio – Part 3: Discussions and Conclusion

February 8, 2023 By Tyler Crain

Following part 1 and part 2, this final blog of the series discusses some design decisions and details, as well as certain future work. Discussions and Future Work Why not exactly once delivery for pub/sub? As we know, exactly once message delivery for pub/sub would greatly simplify our design and there do exist many powerful … Continued

Cross Cluster Synchronization in Alluxio – Part 2: Mechanism

February 8, 2023 By Tyler Crain

This is part 2 of the blog series talking about the design and implementation of the Cross Cluster Synchronization mechanism in Alluxio. In the previous blog, we discussed the scenario, background and how metadata sync is done with a single Alluxio cluster. This blog will describe how metadata sync is built upon to provide metadata … Continued

Cross Cluster Synchronization in Alluxio – Part 1: Scenarios and Background

February 8, 2023 By Tyler Crain

This is a blog series talking about the design and implementation of the Cross Cluster Synchronization mechanism in Alluxio. This mechanism ensures that the metadata is consistent when running multiple Alluxio clusters. Part 1 of this blog series discusses the scenario and background. Alluxio lies in between the storage and compute layers in order to … Continued

Metadata Synchronization in Alluxio: Design, Implementation and Optimization

December 14, 2021 By David Zhu

Metadata synchronization (sync) is a core feature in Alluxio that keeps files and directories consistent with their source of truth in under storage systems, thus making it simple for users to reason the data retrieved from Alluxio. Meanwhile, understanding the internal process is important in order to tune the performance. This article describes the design and the implementation in Alluxio to keep metadata synchronized.

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