DB2 Buffer Pool Stats View


Db2 Buffer Pool Stats View shows the buffer pool statistics for the Db2 Analytics Accelerator.

Field name

Description

PROFILE NAME

The name of the profile.

JOB_MEASUREMENT_TS

The timestamp when the measurement was started.

OWNER

The user ID or job name that initiated the request.

PROFILE_PATH

The full path where the profile is located.

RUN_DATE

The date when the reporter processed the sample data set output from the measurement session to create the performance profile.

RUN_TIME

The time when the reporter processed the sample data set output from the measurement session to create the performance profile.

RUN_TS

The timestamp when the reporter processed the sample data set output from the measurement session to create the performance profile.

ENTRY_ID

The ID of Db2 entry.

END_USER_ID

The end user's ID.

END_USER_TRANS

The end user's transaction name.

END_USER_WORKSTATION

The end user's workstation name.

CORRELATION_ID

The correlation ID of the requester executing the SQL.

TRAN_CODE

The transaction code.

AUTH_ID

The authorization ID.

WLM_NAME

The name of the WLM class under which the workload ran if it was assigned.

BUFFER_POOL_ID

Shows the buffer pool ID.

GET_PAGES

Shows the number of GETPAGE requests.

ASYNCHRONOUS_READS

Shows the number of pages that were found in a hiperpool and moved to a virtual buffer pool because of a prefetch that was triggered by the agent.

SYNCHRONOUS_READS

Shows the number of synchronous read I/O operations.

SEQUENTIAL_PREFETCH

Shows the number of SEQUENTIAL PREFETCH requests.

LIST_PREFETCH

Shows the number of List Prefetch requests.

DYNAMIC_PREFETCH

Shows the number of (dynamic) PREFETCH requests.

IMMEDIATE_WRITE

Shows the number of immediate (synchronous) write I/O operations.

PAGE_UPDATES

Shows the number of times a buffer update occurs.

GET_PAGE_FAILS

Shows the number of times that a page requested for a query processed in parallel was unavailable because an I/O was in progress or the page was not found in the buffer pool.


 

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