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CassandraAttributeStore availableZoomLevels poor performance #2900
Description
The problem described in #2897 also exists for our Cassandra backend.
We probably need to think a little bit about the attributeStore table, since partition key columns are not yet supported by SASI and layerId is a partition key in our case: https://github.com/apache/cassandra/blob/094689acf10bf133637c53aeebd3e8157832a279/src/java/org/apache/cassandra/index/sasi/SASIIndex.java#L148-L149
Mb @ALPSMAC has his opinion about Cassandra LIKE queries.
Related to #2899
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ALPSMAC commentedon Apr 19, 2019
@pomadchin apologies for the delay in getting back to you... been swamped here!
The related PR ( #2901 ) seems entirely reasonable to me.
When last I checked I don't believe the SASI indexing in Cassandra was believed to be really ready for "prime time" yet anyway.
pomadchin commentedon Apr 19, 2019
@ALPSMAC thanks! tbh I was excited by the SASI index :D also, FYI: https://github.com/locationtech/geotrellis/releases/tag/v2.3.0