Extending job lifetimes
When you run a new search job, the job is retained in the system for a period of time, called the job lifetime. During the lifetime, you can access the job and view the data returned by the job. If the job is not accessed within the specified lifetime, the job expires and is removed from the system.
There are two lifetime settings, 10 minutes and 7 days. The lifetime starts from the moment the job is run.
Default job lifetimes
The default lifetime for a search job depends on whether the search job is an artifact of an unscheduled or scheduled search.
For example, dashboard panels that are based on an inline search, use unscheduled searches. Panels that are based on a report, use saved searches. The saved search can be unscheduled or scheduled.
Default lifetimes for unscheduled searches
When you run an ad hoc search and the search is finalized or completes on its own, the resulting search job has a default lifetime of 10 minutes. Other knowledge objects, such as real-time alerts and panels based on inline searches that use unscheduled searches have the same default lifetime.
Default lifetimes for scheduled searches
Scheduled searches launch search jobs on a regular interval. By default, these jobs are retained for the interval of the scheduled search multiplied by two. For example, if the search runs every 6 hours, the resulting jobs expire in 12 hours.
Automatic lifetime extensions
Whenever you access an active job, such as when you view the results of a search job, the lifetime is reset. The reset happens whether the job lifespan is 10 minutes or 7 days. Here are a few examples of how this works.
- If the lifetime is set to 10 minutes and you run the search job at 11:00 AM, the job lifetime is set to end at 11:10 AM. If you run the job again at 11:07 AM, the job lifetime is reset to end at 11:17 AM.
- If you set the lifetime for a job to 7 days and then access the job 4 days later, the job lifetime is reset and will not expire for another 7 days from the current day and time.
Changing the lifetime for the current job
You change the lifetime setting for the current ad hoc search job in the Search app.
- Select the Job drop-down.
- Select Edit Job Settings to display the Job Settings.
- For Lifetime, select either 10 Minutes or 7 Days.
Changing the lifetime for active jobs
You can't change the lifetimes for jobs resulting from previously run unscheduled or scheduled searches. You can only change the lifetimes for active search jobs. See Manage search jobs.
Expired jobs
After the job lifetime ends, the job expires and is deleted from the system.
It is possible that while you are looking at the list of jobs that a job will expire. When you try to extend the lifetime of the expired job, a message appears explaining that the job no longer exists. You cannot extend the lifetime of an expired job.
Changing the default lifetime values
You can change the default value for the job lifetime for unscheduled and scheduled searches.
Change the default lifetime value for unscheduled searches
You can change the default value for the job lifetime for unscheduled searches.
- Splunk Cloud Platform
- To change the default value for the job lifetime for unscheduled searches, request help from Splunk Support. If you have a support contract, file a new case using the Splunk Support Portal at Support and Services. Otherwise, contact Splunk Customer Support.
- Splunk Enterprise
- Prerequisites
- Only users with file system access, such as system administrators, can change the default lifetime values.
- Review the steps in How to edit a configuration file in the Admin Manual.
Never change or copy the configuration files in the default directory. The files in the default directory must remain intact and in their original location. Make the changes in the local directory.
- Open the local
limits.conf
file for the Search app. For example,$SPLUNK_HOME/etc/apps/<app_name>/local
. - In the
[search]
stanza, change thedefault_save_ttl
value to a number that is appropriate for your needs. The acronym TTL is an abbreviation for "time to live." Thedefault_save_ttl
setting measures search job time to live in seconds, and defaults to 604800 seconds, or one week.
Change the default lifetime value for scheduled searches
You can change the default lifetime for jobs resulting from a specific scheduled search.
- Splunk Cloud Platform
- You can use Splunk Web to make this change.
- Prerequisites
- Only system administrators with the sc_admin role should change default lifetime values.
- Review the information about the
dispatch.ttl
setting in the Dispatch search options section of the Savedsearches.conf.spec file in the Admin Manual.
- Steps:
- Select Settings > Searches, Reports, and Alerts.
- Locate the name of the scheduled search in the list.
- In the Actions column, select Edit, Advanced Edit.
- Locate the
dispatch.ttl
setting. The default setting is 2p. - Change the setting, based on the information provided in the savedsearches.conf.spec file.
- Splunk Enterprise
- You can change this default either through Splunk Web, as described previously for Splunk Cloud Platform, or through the configuration files.
- Prerequisites
- Only users with file system access, such as system administrators, can <describe the customization> using configuration files.
- Review the steps in How to edit a configuration file in the Splunk Enterprise Admin Manual.
- You can have configuration files with the same name in your default, local, and app directories. Read Where you can place (or find) your modified configuration files in the Splunk Enterprise Admin Manual.
Never change or copy the configuration files in the default directory. The files in the default directory must remain intact and in their original location. Make the changes in the local directory.
- Steps:
- Open the local
savedsearches.conf
file. For example,$SPLUNK_HOME/etc/apps/<app_name>/local
. - Locate the scheduled search, and change the
dispatch.ttl
setting to a different interval multiple.
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This documentation applies to the following versions of Splunk Cloud Platform™: 8.2.2112, 8.2.2201, 8.2.2202, 8.2.2203, 9.0.2205, 9.0.2208, 9.0.2209, 9.0.2303, 9.0.2305, 9.1.2308, 9.1.2312, 9.2.2403, 9.2.2406 (latest FedRAMP release)
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