What about implementing a SSD based external block cache storage?
Wellington Chevreuil <[email protected]> 于2026年2月25日周三 06:12写道： > > Dear HBase Dev Community, > > In our quest to pursue optimal performance for hbase when configuring root > dir over cloud storage, we have been relying heavily on local cache using > ephemeral SSD disks normally available on given cloud provider instance > types. > > Currently, our reference architecture for such use cases leverages file > based BucketCache, but that has certain limitations, and we are now at > early stages of testing an alternative approach using hdfs storage types > and policies to mirror root dir content from S3 to hdfs dirs mounted on > these ephemeral SSD disks. Additional technical details are documented here > <https://docs.google.com/document/d/1XcUSBrsVTQLq_j_Tq6FrC_NRPiVNxdIU8gu2gDPT-eM/edit?tab=t.0> > . > > So far in our PoC, we have implemented and tested the read/write from/to > the different file system locations, we would like to continue this feature > implementation in collaboration with the community, so we plan to open an > umbrella jira ticket, together with individual subtasks for each > functionality described in the document mentioned above. Comments and > feedback are very welcome. > > Thanks, > Wellington
