Elasticsearch mongodb river tailable curosr issue -

i using elasticsearch, mongodb , elasticsearch mongodb river

https://github.com/richardwilly98/elasticsearch-river-mongodb

when observe mongodb logs river keeps on querying oplog of elasticsearch when not indexing documents , taking long time finish indexing collection.

any guidance on above mentioned issues?

elasticsearch mongodb river [1] uses recommended way [2] query tailable cursor in mongodb

if observe query in oplog.rs i'd suggest try contacting mongodb , mongodb java driver [3].

i happy fix issue in elasticsearch mongodb river.

[1] - https://github.com/richardwilly98/elasticsearch-river-mongodb/blob/master/src/main/java/org/elasticsearch/river/mongodb/mongodbriver.java#l1326
[2] - https://github.com/mongodb/mongo-java-driver/blob/master/examples/readoplog.java#l47
[3] - https://github.com/mongodb/mongo-java-driver