ZERO1

Cron Doctor

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View the Magento Cron table, see errors, delete cron entries, check anything as if you had database access.
Compatible with:
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Magento Connect 2.0

Magento Connect 2.0

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Overview

Cron Doctor

This extension allows you to see all required information for the essential Cron system which runs all Magentos scheduled tasks. Often there can be failures with code or processes, timeouts, memory errors or issues with third-party modules causing the Cron system to block up.

Extension features:

  • View the complete cron schedule of tasks.
  • Delete Cron entries - useful where process are stuck at processing.
  • Check execution times
  • View all errors produced by any cron tasks.

Please email your questions and suggestions via https://zero1limited.zendesk.com/home or send us a PM at Magento site. Feedback is very welcome.

Install Instructions

  1. Stop magento core cron, you can do this via either stop the crond service or simply commenting out the relative line in your cron tab
  2. wait for all cron processes to finish watch -n1 "ps aux | grep cron.php | grep -v grep"
  3. Install the module as normal, via FTP/Git/MCM
  4. Flush both caches
  5. Alter the following configuration options:
     System - Configuration - Advanced | System - Cron
      - "Generate Schedules Every" = 15
      - "Schedule Ahead for" = 20
      - "Missed if Not Run Within" = 0
      - "History Cleanup Every" = [AS DESIRED]
      - "Success History Lifetime" = [AS DESIRED]
      - "Failure History Lifetime" = [AS DESIRED]
  6. Alter your cron job to point to "zero1/cron.php", and restart crond if needed
  7. confirm jobs are running watch -n1 "ps aux | grep cron.php | grep -v grep"
    on the minute you should see jobs ending with the following:
      -mdefault
      -malways
      -schedule
      -zombie

Misc

Stopping/Starting Cron after installation

If you need to stop cron, from the root of your magento installation: touch zero1/cron_stop.flag watch -n1 "ps aux | grep cron.php | grep -v grep" wait until all jobs are finished. To restart cron: rm zero1/cron_stop.flag you should then be able to see all jobs restarting

Disaster Recover

If cron is stopped with the cron_stop.flag being in place, then you could end up with jobs the are permanently running. This can be observed by going to System > Cron Doctor and checking filtering by status = 'running' if there are more than 2 jobs running there is an issue. enterprise_refresh_index: is an 'always' job, if this job hasn't ran since cron has been started again i.e status == running and executed_at is before cron was stopped, the status of this job will need changing (to anything but 'running') Every other job is the same principle as enterprise_refresh_index. N.B you should expect 0 - 2 jobs running at anyone time if there are 2 jobs running 1 of them should be enterprise_refresh_index, if this is not the case there is an issue.
M1 Extension Versions

Bug Fixes

2016-05-23 07:18:19
  • Version number: 1.0.11
  • Stability: Stable
  • Compatibility: 1.8, 1.8.1, 1.9, 1.9.1, 1.9.2
You must be registered and logged in to get extension key.

Magento Connect 2.0

Magento Connect 2.0

Zombie Job checker fix

Access Denied compatibility issue caused by Security Patches now resolved

2016-03-08 20:53:46
  • Version number: 1.0.10
  • Stability: Stable
  • Compatibility: 1.2, 1.3, 1.4, 1.4.1.1, 1.4.2, 1.7, 1.8, 1.8.1, 1.9, 1.9.1, 1.9.2
You must be registered and logged in to get extension key.

Magento Connect 2.0

Magento Connect 2.0

Resolves an issue where a non-administrator was getting an Access Denied message when navigating to Cron Doctor screen. This was caused by the changes included in Magento Security Patches.

Amended code to prevent System logs filling up

2013-10-14 15:17:57
  • Version number: 1.0.6
  • Stability: Stable
  • Compatibility: 1.5, 1.6, 1.6.1, 1.6.2.0, 1.7, 1.8, 1.10, 1.11, 1.11.1, 1.12, 1.13
You must be registered and logged in to get extension key.

Magento Connect 2.0

Magento Connect 2.0

Amended code to prevent System logs filling up

Email support

2013-06-26 10:30:11
  • Version number: 1.0.4
  • Stability: Stable
  • Compatibility: 1.5, 1.6, 1.6.1, 1.6.2.0, 1.7, 1.11, 1.11.1, 1.12, 1.13
You must be registered and logged in to get extension key.

Magento Connect 2.0

Magento Connect 2.0

Amends supporting transactional emails for zombie cron process notifications

Added support for email alerts

2013-04-29 14:02:45
  • Version number: 1.0.3
  • Stability: Stable
  • Compatibility: 1.6, 1.6.1, 1.6.2.0, 1.7, 1.11, 1.11.1, 1.12, 1.13
You must be registered and logged in to get extension key.

Magento Connect 2.0

Magento Connect 2.0

Email alerts can now be configured in System -> Advanced -> Cron Doctor.

If Cron processes hang for any extended period, an email alert will notify the store owner (or whichever email address is added to the configuration screen) so that you can investigate the situation.
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Q&A
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