High Volume Recommendations

If you have a high volume of campaigns or a lot of subscribers (100,000 or more), SugarChimp may benefit from certain modifications in order to work most efficiently.  However, before making modifications, it's worth examining your own workflows to ensure you're not creating extra work when not needed.  Also, review SugarChimp Best Practices to ensure you're using the integration as efficiently as possible.

Available modifications are below.  While not every modification is needed, you'll want to review each possible option to ensure it works in your environment.

Turn off 'via the API'
Turn off syncing sends
Turn backup jobs off
Turn off updating Mailchimp star ratings
Turn off Mailchimp to CRM activity syncing
Reduce sugarchimpactivity table size

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Turn off 'via the API'

Ensure that 'via the API' is deselected for each webhook.  Doing so should turn off a significant amount of updates coming through to Sugar that are unnecessary. For each Mailchimp Audience synced to Sugar, follow the steps below.
1. Navigate to the Mailchimp Audience.
2. Click Settings and select Webhooks.
3. Click Edit and unselect 'via the API'.

Turn off syncing sends

Be sure you aren't syncing sends/opens/clicks from Mailchimp to Sugar and save only opens/clicks.  To do this in SugarCRM, you can follow the steps below:
1. From within SugarChimp's Health Status page, right click anywhere on the page and select Inspect.
2. Click the Console tab
3. Copy/paste the following into the console and press Enter:

SUGAR.App.api.call('get',SUGAR.App.api.buildURL('SugarChimp/setting/include_send_activities/false'),{},{});

Turn backup jobs off

Ensure backup jobs are turned off. (This setting is turned off by default in more recent versions of SugarChimp. ) To do this in SugarCRM, you can follow the steps below:
1. From within SugarChimp's Health Status page, right click anywhere on the page and select Inspect.
2. Click the Console tab
3. Copy/paste the following into the console and press Enter:

SUGAR.App.api.call('get',SUGAR.App.api.buildURL('SugarChimp/setting/job_sugarchimpbackups_enabled/0'),{},{});

Turn off updating Mailchimp star ratings

Turn off updatesugarpersonmc configuration.  Note: doing so will prevent Mailchimp star ratings from syncing from Mailchimp to Sugar. To do this in SugarCRM, you can follow the steps below:
1. From within SugarChimp's Health Status page, right click anywhere on the page and select Inspect.
2. Click the Console tab
3. Copy/paste the following into the console and press Enter:

SUGAR.App.api.call('get',SUGAR.App.api.buildURL('SugarChimp/setting/job_updatesugarpersonmc_enabled/0'),{},{});

Turn off Mailchimp to CRM activity syncing

Though not typically needed, since the above tasks can greatly reduce the volume requirements, you can also turn off Mailchimp to CRM activity syncing. This would mean you can see activities via the Mailchimp Activity dashlet at the record level, but would not see activities in the Mailchimp Activity sub panel or in reports. See more details here: Turn off Mailchimp to CRM activity syncing.

Reduce sugarchimpactivity table size

If you've been using SugarChimp for some time and your sugarchimpactivity tables have begun to increase in volume, you can also do a one-time clean up of the tables. Once the table sizes have been cleaned up, you can update the remove_activities_after_days config to remove activities after a certain timeframe for campaigns sent going forward. See more details here: Reducing Activity Table Size.