Tag Archives: PMEM

Exadata X8M

Exadata X8M model it was released in the Oracle Open World 2019 and the new feature, “M”, was aimed to reduce the latency and increase the IOPS. The Exadata X8M uses the Remote Direct Memory (RDMA) to allow database access the storage server memory directly. And the memory, in this case, it is special, X8M uses Intel Optane DC Persistent Memory modules (DIMM/NVDIMM – Non Volatile DIMM – to provide PMEM – Persistent Memory) attached directly at storage server and these can be accessed directly from the database using RDMA trough RoCE network. Let’s check the details to see what it is.

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