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7.2. Configuration options for OpenStack Compute (nova) automated database management

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Use the following heat parameters to enable and modify the automated cron jobs that manage the database.

表7.1 OpenStack Compute (nova) cron parameters
ParameterDescription

NovaCronArchiveDeleteAllCells

Set this parameter to "True" to archive deleted instance records from all cells.

Default value: True

NovaCronArchiveDeleteRowsAge

Use this parameter to archive deleted instance records based on their age in days.

Set to 0 to archive data older than today in shadow tables.

Default value: 90

NovaCronArchiveDeleteRowsDestination

Use this parameter to configure the file for logging deleted instance records.

Default value: /var/log/nova/nova-rowsflush.log

NovaCronArchiveDeleteRowsHour

Use this parameter to configure the hour at which to run the cron command to move deleted instance records to another table.

Default value: 0

NovaCronArchiveDeleteRowsMaxDelay

Use this parameter to configure the maximum delay, in seconds, before moving deleted instance records to another table.

Default value: 3600

NovaCronArchiveDeleteRowsMaxRows

Use this parameter to configure the maximum number of deleted instance records that can be moved to another table.

Default value: 1000

NovaCronArchiveDeleteRowsMinute

Use this parameter to configure the minute past the hour at which to run the cron command to move deleted instance records to another table.

Default value: 1

NovaCronArchiveDeleteRowsMonthday

Use this parameter to configure on which day of the month to run the cron command to move deleted instance records to another table.

Default value: * (every day)

NovaCronArchiveDeleteRowsMonth

Use this parameter to configure in which month to run the cron command to move deleted instance records to another table.

Default value: * (every month)

NovaCronArchiveDeleteRowsPurge

Set this parameter to "True" to purge shadow tables immediately after scheduled archiving.

Default value: False

NovaCronArchiveDeleteRowsUntilComplete

Set this parameter to "True" to continue to move deleted instance records to another table until all records are moved.

Default value: True

NovaCronArchiveDeleteRowsUser

Use this parameter to configure the user that owns the crontab that archives deleted instance records and that has access to the log file the crontab uses.

Default value: nova

NovaCronArchiveDeleteRowsWeekday

Use this parameter to configure on which day of the week to run the cron command to move deleted instance records to another table.

Default value: * (every day)

NovaCronPurgeShadowTablesAge

Use this parameter to purge shadow tables based on their age in days.

Set to 0 to purge shadow tables older than today.

Default value: 14

NovaCronPurgeShadowTablesAllCells

Set this parameter to "True" to purge shadow tables from all cells.

Default value: True

NovaCronPurgeShadowTablesDestination

Use this parameter to configure the file for logging purged shadow tables.

Default value: /var/log/nova/nova-rowspurge.log

NovaCronPurgeShadowTablesHour

Use this parameter to configure the hour at which to run the cron command to purge shadow tables.

Default value: 5

NovaCronPurgeShadowTablesMaxDelay

Use this parameter to configure the maximum delay, in seconds, before purging shadow tables.

Default value: 3600

NovaCronPurgeShadowTablesMinute

Use this parameter to configure the minute past the hour at which to run the cron command to purge shadow tables.

Default value: 0

NovaCronPurgeShadowTablesMonth

Use this parameter to configure in which month to run the cron command to purge the shadow tables.

Default value: * (every month)

NovaCronPurgeShadowTablesMonthday

Use this parameter to configure on which day of the month to run the cron command to purge the shadow tables.

Default value: * (every day)

NovaCronPurgeShadowTablesUser

Use this parameter to configure the user that owns the crontab that purges the shadow tables and that has access to the log file the crontab uses.

Default value: nova

NovaCronPurgeShadowTablesVerbose

Use this parameter to enable verbose logging in the log file for purged shadow tables.

Default value: False

NovaCronPurgeShadowTablesWeekday

Use this parameter to configure on which day of the week to run the cron command to purge the shadow tables.

Default value: * (every day)

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