It may be useful to purge the job logs. Too many logs can slow down the application and decrease its performance.
But doing it manually can be tedious :

You can use xDM rest Api to purge these logs:
Use the endpoint : /app-builder/data-locations/<dloc-name >/purge-jobs
Don't forget to indicate the data location name (<dloc-name >)
If you want to purge all logs older than 7 days you can use the following payload :
Also, you have the possibility to add more filters:
- Job Type, list of job types to purge: "INSTALL_DDL_JOB", "INTEGRATION_JOB", "PURGE_JOB"
- Job Names, list of job name patterns. A job whose name matches any of the patterns is considered for the purge. Each pattern is expressed with a SQL 'Like' syntax, using the _and%wildcards.
- Job Owners, list of job owner name patterns. A job whose owner's name matches any of the patterns is considered for the purge. Each pattern is expressed with a SQL 'Like' syntax, using the _and%wildcards.
- job Status, list of job statuses to purge: "DONE", "ERROR", "RUNNING", "STOPPED", "STARTING",
"SUSPENDED", "WARNING"
- period, Period to consider for the purge.It is expressed with after | before <number> <time_unit>, where<time_unit>is one of execution, executions, second, seconds, minute, minutes, day, days, week, weeks, month, monthsExamples - before 7 days: All logs older than 7 days
- after 1 week: All logs from the past week
- after 100 executions: The last 100 executed jobs
- before 100 executions: All but the last 100 executed jobs
 
Payload sample :
{
"jobTypes": ["INSTALL_DDL_JOB"],
