We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

previous.jsonlz4 & recovery.baklz4 files in sessionstore-backups

  • 1 (رد واحد)
  • 0 have this problem
  • 9 views
  • آخر ردّ كتبه cor-el

more options

Can I change how often the previous.jsonlz4 & recovery.baklz4 files update? I'd like it if those files updated themselves every 5 minutes if possible.

Can I change how often the previous.jsonlz4 & recovery.baklz4 files update? I'd like it if those files updated themselves every 5 minutes if possible.

All Replies (1)

more options

previous.jsonlz4 is never updated during the current session as this is a copy of sessionstore.jsonlz4 from when Firefox was last started (i.e. files restored when you opened this session). The recovery files will/should be updated when you make changes to open tabs although there might be a delay if you make many changes in a short time.

You will normally find these files in the sessionstore-backups folder:

  • previous.jsonlz4 (cleanBackup: copy of sessionstore.jsonlz4 from previous session that was loaded successfully)
  • recovery.jsonlz4 (latest version of sessionstore.jsonlz4 written during runtime)
  • recovery.baklz4 (previous version of sessionstore.jsonlz4 written during runtime)
  • upgrade.jsonlz4-<build_id> (backup created during an upgrade of Firefox)

You can copy a file from the sessionstore-backups folder to the main profile and rename the file to sessionstore.jsonlz4 to replace the current file with Firefox closed.

  • make sure to backup the current sessionstore.jsonlz4