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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.
Flush data to diskWriting a buffer to disk is called buffer flushing.
Flush the logical-log bufferA number of events can cause the logical-log buffer to flush.
After a transaction is prepared or terminated in a database with unbuffered loggingA number of log records cause flushing of the logical-log buffers in a database that uses unbuffered logging.

After a transaction is prepared or terminated in a database with unbuffered logging

A number of log records cause flushing of the logical-log buffers in a database that uses unbuffered logging.

The log records that cause flushing are:

COMMIT
PREPARE
XPREPARE
ENDTRANS

For a comparison of buffered versus unbuffered logging, see the SET LOG statement in the HCL OneDB™ Guide to SQL: Syntax.

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