I've experimented a bit and found that the cut off point is at 8281 characters within the AsViewsByAnonymous. At character 8282 no hits are found.
Seems that I'm stuck and need to split my property contents: https://world.optimizely.com/documentation/developer-guides/search-navigation/Integration/cms-integration/Indexing/#StringLengthIndexingLimitation
Optimizely provided a solution. By splitting the string into chunks of 8196 (or a bit less to be sure) and store them in an array solved the problem. Episerver Search & Navigation still performs as normal.
We have an issue when searching for content with large properties. Our main body can grove quite large in size, resulting in a large SearchText and AsViewedByAnonymous entry in the index. For some reason this content is not included in the search hits. But if we remove some of the main body, we get hits.
Is there any default size to properties in the Search & Navigation index?
Running version 220.127.116.11 of EPiServer.Find.
Bjørn Terje Svennes