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General AEM Questions and Answers

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Level 10

This discussion lists some general AEM questions asked by the AEM community. 

Why is the page content getting stuck and not going live? (Replication queue issues)

Make sure that each replication agent is enabled and configured correctly.

1. Go to the list of replication agents (/etc/replication/agents.author.html)
 2. For each replication agent, do the following:
   - Make sure that the agent is enabled.
   - Verify the connectivity with the publish instance by clicking Test Connection. If it fails, make sure that on TCP network level, the server hosting the CQ author instance can connect to the port of the publish instance. To see a video on replication, click here

Why there are errors with files in DAM going live? (Uploaded assets into DAM get stuck in workflow)

Each media asset uploaded to /var/dam initiates a workflow that moves the asset to /content/dam and processes the asset. If a lot of media assets are uploaded, the workflows are queued and never get completely processed. In essence the majority of the workflows get stuck in the event queue. Click here for more information. 

To learn how to programmatically upload assets, see Uploading files to Adobe Experience Manager DAM using AssetManager API

Why there are errors after server update? (Server troubleshooting)

After upgrading to the CRX 3 backend, AEM sometimes fails to start or shut down properly on systems with Java 6 installed. To work around this, add the correct parameters to the JVM when starting AEM. Click here for more information. 

What is the configuration for crx-quickstart\repository\workspaces?

After upgrading to the CRX 3 backend, AEM sometimes fails to start or shut down properly on systems with Java 6 installed. To work around this, add the correct parameters to the JVM when starting AEM. Click here for more information.

Why there is a sudden growth in the repository content and problem with TarPM?

Such an unusual repository growth can have multiple root causes.

A potential reason could be that very large numbers of nodes are persisted in the repository in flat hierarchies. Due to the fact that a parent node stores the complete list of its direct child nodes, a save on that parent node leads to considerable amount of data that needs to be written to the Tar Persistence Manager. In addition to that, since the TarPM operates in an append-only mode, repeated saving of the aforementioned parent node further contributes to an excessive repository growth. Click here for more information.

2 Replies

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Level 5

Hi,

This looks nice,

Also can you post some AEM best practises for 

1)  End user profile nodes maintenance /creation assuming they authenticate with  back end systems?

2) Product node support - and possible sync / issues/ delays  with importer running in author for sync with PIM ?

I had a thread on this here http://help-forums.adobe.com/content/adobeforums/en/experience-manager-forum/adobe-experience-manage...

I am more looking for a AEM OOTB support for large end user profile nodes for personalized content?

For these variance.

TarPM - ?

TarMK - ? 

MongoMK -?

Also this http://docs.adobe.com/docs/en/aem/6-0/develop/platform/custom-authentication-scenarios.html gives multiple user scenarios . But for millions of users the design speaks about UserManager implementation to Authorization table in DB ? Will a MongoMK be a better alternative solution OOTB for a large end user profile storage and personalization ? considering profile sync handled in MongoDB cluster (data layer)