Procedure documentation Displaying Log Area and Log Writer Information Locate the document in its SAP Library structure

Use

You are provided with information about the state and size of the Structure linklog area and the activities of the Log Writer.

Procedure

Choose Instance ® Information ® Log.

Log mode

Structure linkMode in which the log is operated

Max. size

Maximum available storage space in the log area

Backup Segment size

Size of a segment

Used size (KB)

Used space in KB

Used size in %

Used space as percentage

Not saved (KB)

Size of log area not yet saved, in KB

Not saved (%)

Size of log area not yet saved as a percentage

Log since last data backup (KB)

Number of log pages written since the last Structure linkdata backup

Savepoints written

Number of Structure linksavepoints written since last Structure linklog backup

Checkpoints written

Number of checkpoints written
(Only for SAP DB versions < 7.4)

Physical reads

Read activities in the log area since the last restart of the database system

Physical writes

Write activities in the log area since the last restart of the database system

Queue size

Current size of the log queue

Queues allocated

Current log queue allocation

Queue entries

Maximum size of the log queue

Queue overflows

Number of log queue overflows

Group commits

Number of group commits

Waits for logwriter

Number of wait states for log write operations

Max. waits

Maximum number of wait states per log page

Avg. Waits

Average number of wait states per log page

OMS Log used

Log area used by the Object Management System (OMS)

OMS min. free pages

Minimum number of free pages for the Object Management System (OMS)