Config.xml under jobs > [jobname] is disappearing from jenkins server because of which jobs are not showing up in UI

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1

Jenkins version: 2.319.3
Java version: 1.8.0_322

Please suggest what could be causing the issue or pointer to debug this issue
There is no error or log related to this.

NOTE: Out of 300, 100 jobs are missing.

2

Hello @kramakrishna-hue and welcome to this community :wave:

Did you change anything recently, like the Jenkins version, the JENKINS_HOME folder, or anything else?
How is the computer hosting Jenkins doing? Do you still have room on the disk, do you have any system logs?