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In the Google App Engine Admin Console, under Datastore Indexes, all of my indexes are listed as Serving. However, a lot of them are blank in the Index Entry Count and Index Storage columns. And yet still, those same indexes have a specified size on the Datastore Statistics page. What does all this mean?
Thanks.
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Built-in indexes. By default, a Datastore mode database automatically predefines an index for each property of each entity kind. These single property indexes are suitable for simple types of queries. Composite indexes. Composite indexes index multiple property values per indexed entity.
Deleting unused indexes When you are sure that old indexes are no longer needed, you can delete them by using the datastore indexes cleanup command. This command deletes all indexes for the production Datastore mode instance that are not mentioned in the local version of index.
You can use the index configuration of a Source Type to provide important information about how data of that Source Type is indexed in IBM® Operations Analytics Log Analysis Managed. Index configuration is specified using JSON configuration notation.
Datastore Indexes and Datastore Statistics get updated separately, so you should check the "last updated" value in each of the screens and see if they seem to match or not.
For example, one of my apps currently says:
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