Category: Technical

Migrating blobstore data between App Engine applications using Fantasm.

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Introduction At VendAsta we needed to migrate a number of applications from the Master/Slave datastore to the High-Replication datastore. This process is straightforward, and Google provides tools to facilitate it.  However, there is no Google tool to migrate blobstore data between applications. This posting describes the approach developed and...

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Incremental data backups on Google App Engine using Fantasm and datastore namespaces.

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Data reliability is essential for any application. Applications running on Google App Engine have well-protected data out-of-the-box: Google provides redundant disks and data replication between data centres. One can rest quite assured that your data is safe from hardware failure. However, a final risk remains: you. If you, or...

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