Why the graph is suddenly falling to ZERO?

Elastic Stack Kibana
1

Untitled.jpg1312×396 85.1 KB

I am using a trail version of Marvel to monitor my ES. I am observing that the Lucene memory, Index size & document count is suddenly falling to 0 and retains its position after a second. Whats happening in that second??? Is there any abnormal in this???? Please explain

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Hi Ravi, thank you posting about this. That doesn't look right at all. I've created an internal issue about this bug. We'll look into it and post here when we have a solution.

Thanks again,
CJ

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Have you got any solution for this? Still i am facing the same issue. The above image is for very ideal node(No indexing, No searching & nothing)

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Is that dropoff still there if you change the time resolution or the displayed time interval? If not it might be an artifact of the bucket size/collection interval.