Foglight for DB2 (Cartridge) 7.1.0 - Getting Started Guide


Metric	Description
DB_NAME	The name of the monitored database.
HADR_DB_ROLE	Standard means that the database is not a HADR DB. Primary or Standby means that it is.
LOGFILESIZE	A parameter that predefines the size of the diag log. If this is set to 0 (the default), the diag log gets larger with no limit. If a size is specified, after the diag log reaches that size, a new file with a new name is created and used.

Database Tablespaces Collection

The following table provides a list of the Database Tablespaces metrics that are collected, and a description for each.


Metric	Description
DB_NAME	The name of the monitored database.
TBSP_NAME	The tablespace name.
DBPARTITIONNUM	The database partition from which the data was retrieved for this row.
TABLESPACE_ID	The tablespace ID.
TABLESPACE_STATE	This interface returns a text identifier based on the definitions in sqlutil.h, and is a combination of the following values, separated by a '+' sign: BACKUP_IN_PROGRESS BACKUP_PENDING DELETE_PENDING DISABLE_PENDING DROP_PENDING LOAD_IN_PROGRESS LOAD_PENDING NORMAL OFFLINE PSTAT_CREATION PSTAT_DELETION QUIESCED_EXCLUSIVE QUIESCED_SHARE QUIESCED_UPDATE REBAL_IN_PROGRESS REORG_IN_PROGRESS RESTORE_IN_PROGRESS RESTORE_PENDING ROLLFORWARD_IN_PROGRESS ROLLFORWARD_PENDING STORDEF_ALLOWED STORDEF_CHANGED STORDEF_FINAL_VERSION STORDEF_PENDING SUSPEND_WRITE
TABLESPACE_USING_AUTO_STORAGE	Specifies whether the tablespace was created as an automatic storage tablespace. A value of 1 indicates yes; a value of 0 indicates no.
TABLESPACE_AUTO_RESIZE_ENABLED	This element is applicable to DMS tablespaces and non-temporary automatic storage tablespaces only. If this element is set to 1, then automatic resizing is enabled.
TABLESPACE_TYPE	This interface returns a text identifier, based on the definitions in sqlutil.h, which is one of the following values: DMS SMS
TABLESPACE_FREE_SIZE_MB	The tablespace free size [MB].
TABLESPACE_TOTAL_SIZE_MB	The tablespace total size [MB].
TABLESPACE_USED_SIZE_MB	The tablespace used size [MB].
TABLESPACE_USABLE_SIZE_MB	The tablespace usable size [MB].
TABLESPACE_UTILIZATION_ PERCENT	The percentage of tablespace used.
TABLESPACE_PAGE_SIZE_KB	The tablespace page size (in KB).
TABLESPACE_TOTAL_PAGES	The total operating system space occupied by a tablespace. For DMS, this is the sum of the container sizes (including overhead). For SMS, this is the sum of all the filespace used for the tables stored in this tablespace (and is collected only if the buffer pool switch is on).
TABLESPACE_USABLE_PAGES	The total number of pages in a tablespace minus the overhead pages. This element is applicable to DMS tablespaces only. For SMS, this element has the same value as TABLESPACE_TOTAL_PAGES.
TABLESPACE_FREE_PAGES	The total number of pages that are currently free in a tablespace. This is applicable to DMS tablespaces only.
TABLESPACE_USED_PAGES	The total number of pages in use for a DMS tablespace. For an SMS tablespace, this is equal to TABLESPACE_TOTAL_PAGES.
TABLESPACE_PREFETCH_SIZE	The maximum number of pages the prefetcher gets from the disk at a time. If automatic prefetch size is enabled, this element reports the value -1.
TABLESPACE_EXTENT_SIZE	The tablespace extent size.
TABLESPACE_NUM_CONTAINERS	The number of containers.
FILES_CLOSED	The total number of closed database files. The database manager opens files for reading and writing into and out of the buffer pool. The maximum number of database files open by an application at any time is controlled by the maxfilop configuration parameter.
TABLESPACE_CONTENT_TYPE	This interface returns a text identifier, based on the definitions in sqlmon.h, which is one of the following values: ANY LARGE SYSTEMP USRTEMP
TABLESPACE_REBALANCER_MODE	Specifies whether a forward or reverse rebalance is taking place. The potential values (defined in sqlmon.h) are: SQLM_TABLESPACE_NO_REBAL — no rebalancing taking place SQLM_TABLESPACE_FWD_REBAL — forward SQLM_TABLESPACE_REV_REBAL — reverse This can be used to indicate whether the current rebalance process is removing space from a tablespace or adding space to a tablespace. This is only applicable to a DMS tablespace.
TABLESPACE_LAST_RESIZE_TIME	This element displays a timestamp that represents the last time the size of the tablespace was successfully increased. For tablespaces that can be automatically resized, this element represents the last time that space was automatically added to the tablespace when it became full, more space was being requested, and the maximum tablespace size had not been reached. This element is only applicable to tablespaces that are enabled to be automatically resized.
TABLESPACE_LAST_RESIZE_FAILED	This element describes whether the last attempt to automatically increase the size of the tablespace failed. A value of 1 indicates yes, and a value of 0 indicates no. For an automatic storage tablespace, this element may show that there is no space left on any of the database's storage paths. For a non-automatic storage tablespace, a failure means that one of the containers could not be extended because its filesystem was full. Another reason for failure is that the maximum size of the tablespace has been reached. This element is only applicable to tablespaces that are enabled to be automatically resized.
TBSP_CURRENT_SIZE_MB	The current size of DMS tablespace (MB). For DMS and automatic storage tablespaces, this element represents the total size of all tablespace containers in bytes. This value is equal to the total pages for the tablespace (TABLESPACE_TOTAL_PAGES) multiplied by the tablespace's page size (TABLESPACE_PAGE_SIZE). This element is not applicable for SMS tablespaces or for temporary automatic storage tablespaces. On tablespace creation, for an automatic storage tablespace, the current size might not match the initial size. The value of current size will be within page size multiplied by extent size multiplied by the number of storage paths of the initial size on creation (usually greater, but sometimes smaller). It will always be less than or equal to TABLESPACE_MAX_SIZE (if set). This is because containers can only grow by full extents, and must be grown as a set.
TBSP_MAX_SIZE_MB	The tablespace max size of DMS tablespace (MB). This element shows the maximum size to which the tablespace can automatically resize or increase. This represents the maximum size in bytes to which a tablespace that can be automatically resized can automatically increase. If this value is equal to the TABLESPACE_CURRENT_SIZE element, then there is no room for the tablespace to grow. If the value of this element is -1, then the maximum size is considered to be “unlimited”, and the tablespace can automatically resize until the file systems are full or the architectural size limit of the tablespace is reached. (This limit is described in the SQL Limits appendix of the SQL Reference). This element is only applicable to tablespaces that are enabled for automatic resizing.
TABLESPACE_DMS_RESIZE_ UTILIZATION	The percentage of tablespace DMS auto-resize yes and auto-storage no used.

Database Tablespaces Summary Collection

The following table provides a list of the Database Tablespaces Summary metrics that are collected, and a description for each.


Metric	Description
OVERALL_FIXED_TABLESPACE_ TOTAL_SIZE_MB	The total size [MB] of fixed DMS tablespaces.
OVERALL_FIXED_TABLESPACE_ USED_SIZE_MB	The overall used size [MB] of fixed DMS tablespace.
OVERALL_FIXED_TABLESPACE_ UTILIZATION	The overall utilization (%) of fixed DMS tablespaces.
OVERALL_AUTO_TABLESPACE_ USED_SIZE_MB	The tablespace total size [MB].
OVERALL_AUTO_TABLESPACE_ UTILIZATION	The overall utilization (%) of AUTO DMS and SMS tablespaces spread across different file systems and hosts used by DB2.
AUTO_STORAGE_STATE	Flag returns 0, 1, or 0, 1. 0 means Fixed 1 means Auto 0, 1 means both

Database Usability Collection

The following table provides a list of the Database Usability metrics that are collected, and a description for each.


Metric	Description
DB_RESPONSE_TIME	The response time of a query representing the general workload (“select 1 from sysibm.sysdummy1”) when the connection is already open.
DB_CONNECTION_TIME	The time for establishing the connection.
DB_CONNECTION_AVAILABILITY	The percent of nodes for which the connection is available.

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Foglight for DB2 (Cartridge) 7.1.0 - Getting Started Guide

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