[Altibase] 1-1 memory dbms
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This document discusses the features of a memory database management system. It provides fast data processing as all data and indexes are stored in memory, allowing for fast access through physical pointers rather than row IDs. However, there is a restriction that the amount of data loaded can only be as much as the available physical memory. The memory DBMS is suitable for online transaction processing due to the elimination of disk I/O performance reductions.
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[Altibase] 1-1 memory dbms
- 2. ï¶Memory DBMS Features ï Fast Data Processing Performance âą Fast data processing is available as all the data and indexes are saved in memory âą Fast access as memory index is managed by physical pointer not RID âą The performance reduction by disk I/O is unlikely to be occurred âą Suitable for the OLTP type ï There is a restriction that the data can only be loaded as much as the size of physical memory MEMORY LAYER DISK STORAGE LAYER DATABASE ENGINE DISK Tablespace Memory Tablespace