Linux Journal: In-Memory Database Systems
Sep 07, 2002, 02:30 (2 Talkback[s])
(Other stories by Steve Graves)
"Growth in intelligent connected devices is soaring. Whether in
the home, the pocket or built into industrial communications and
transportation systems, such gear has evolved to include powerful
CPUs and sophisticated embedded systems software. One type of
software increasingly seen within such devices is the database
management system (DBMS). While familiar on desktops and servers,
databases are a recent arrival to embedded systems. Like any
organism dropped into a new environment, databases must evolve. A
new type of DBMS, the in-memory database system (IMDS), represents
the latest step in DBMSes' adaptation to embedded systems.
"Why are embedded systems developers turning to databases?
Market competition requires that devices like set-top boxes,
network switches and consumer electronics become 'smarter'. To
support expanding feature sets, applications generally must manage
larger volumes of more complex data. As a result, many device
developers find they are outgrowing self-developed data management
solutions, which can be especially difficult to maintain and extend
as application requirements increase.
"In addition, the trend toward standard, commercial
off-the-shelf (COTS) embedded operating systems--and away from a
fragmented environment of many proprietary systems--promotes the
availability of databases. The emergence of a widely used OS such
as embedded Linux creates a user community, which in turn spurs
development (both commercially and noncommercially) of databases
and other tools to enhance the platform..."
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