Home
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.
When a page is modified that does not require a before-image in the physical-log fileWhen a page is modified that does not require a before-image in the physical log, the logical-log buffer must be flushed before that page is flushed to disk.

When a page is modified that does not require a before-image in the physical-log file

When a page is modified that does not require a before-image in the physical log, the logical-log buffer must be flushed before that page is flushed to disk.