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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Administrator's GuideThe HCL OneDB™ Administrator's Guide provides the information required to administer HCL OneDB™.
Disk, memory, and process management
Shared memoryThese topics describe the content of database server shared memory, the factors that determine the sizes of shared-memory areas, and how data moves into and out of shared memory.
Virtual portion of shared memoryThe virtual portion of shared memory is expandable by the database server and can be paged out to disk by the operating system.
Components of the virtual portion of shared memoryThe virtual portion of shared memory stores a variety of data.
Thread dataWhen a client connects to the database server, in addition to starting a session, the database server starts a primary session thread and creates a thread-control block for it in shared memory.
HeapsEach thread has a heap to hold data structures that it creates while it is running.

Heaps

Each thread has a heap to hold data structures that it creates while it is running.

A heap is dynamically allocated when the thread is created. The size of the thread heap is not configurable.