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Fastest way to check if a property key is mixed indexed or not
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hadoopmarc@...
Hi Harshit,
The performance impact for JanusGraph when including a property key in multiple mixed indices, is negligable (the selection of the index for a specific query will be a tat slower). Additional mixed indices imply a heavier load on the indexing backend (in particular memory and storage, CPU during inserts) but with little impact on response times if the cluster is dimensioned properly. Marc |
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Harshit Sharma
Will there be any performance impact if i will index a property key in multiple indices (mixed index)? On Sat, 15 Jan, 2022, 3:55 pm , <hadoopmarc@...> wrote: Hi Harshit, |
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hadoopmarc@...
Hi Harshit,
The concept "property is indexed or not" is ambiguous because an index can have multiple property keys. If you want to know if there is an index with a specific property key as the only key, indeed you would have to do something like in your example code (but modified). Best wishes, Marc |
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Harshit Sharma
Is there a way I can check if a particular property is indexed or not? I know the following method but there I will have to traverse all indexes List<JanusgraphIndex> indexList = mgmt.getIndexes(Vertex.class) For(index : indexList){ propertyKeys = index.getFieldKeys() if (propertyKeys.contains("KEY1") return true; } return false; is there a better way to do the same? -- Regards, Harshit Sharma +91-9901459920 |
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