Add keep alive parameter #26
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There is kept connection alive, but actually I don't know what it's a purpose here if this connection is not reused anyway. As first step I added
keepAliveparameter which is by defaulttrueto keep backward compatibility.The biggest problem is when you make a lot of requests to ES - you still have all connections from before, so after connections pool is full, "No Living connections" error will be thrown from ElasticSearch.