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Batch/Queue API What we can learn from Drupal 7 for CiviCRM 4.1.

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Presentation on theme: "Batch/Queue API What we can learn from Drupal 7 for CiviCRM 4.1."— Presentation transcript:

1 Batch/Queue API What we can learn from Drupal 7 for CiviCRM 4.1

2 About myself  Chang Xiao  Emotive LLC   IRC: changx  Forum handle: xcf33

3 Batch. Yum….  A Batch of cookies

4 Characteristics of Batch  Works on right after the series of action desired to be performed is submitted.  Provide feedbacks to user on completion status.  Example: 3 records imported, etc etc Submit import formImport user 1Import user 2 Import user 3

5 Benefits  Provide user feed back on the progress. (Usually user take it for granted).  Good and smooth user experience.  Preventing user errors.

6 Potential Pitfalls  Waiting, Waiting and Waiting.  PHP settings (timeout, memory, etc)  Database settings (MySQL has gone away)  Conclusion: Not suitable for large scale operations.

7 Queue, errr  A line on Black Friday

8 Characteristics of Queue  First in First out (FIFO)  Processes a series of tasks in sequence  Example: 3 records imported, etc etc Submit import form Import Queue

9 Benefits  Can be stopped and resumed at any time.  Provides granular scalability and robustness.  Separate user input and actual process

10 Potential Pitfalls  Complex design  Resource consumption

11 Current CiviCRM applications  Bulk mailing  Each mailing is in a queue.  Each mailing contains X number of s and sits in a mailing queue  Contact Import  ETC

12 When to use?  Batch:  Tasks that will exceed php time out  Tasks with tolerable time frame (i.e. 5 minutes)  Tasks that needs to provide continuous feedback  Queue:  Tasks that takes a lot of time  Tasks that can be stopped and resumed  Distribute processing.

13 Where to use it  Exporting contacts  Importing process  Running large reports  CiviMail bulk mailing process  Dedupe processes  Synchronizing processes  Installation/Upgrade

14 Conclusion  Batch  Queue

15 Why not Have your cookie and ….  Eat it too?


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