I am getting the following erro while doing wildcard search via Kibana.

My index size is 73GB and Docs is 5770603.

Error: 502 Response

request/<@https://search.node.com/bundles/kibana.bundle.js?v=15523:27:1911

processQueue@https://search.node.com/bundles/commons.bundle.js?v=15523:38:23621

scheduleProcessQueue/<@https://search.node.com/bundles/commons.bundle.js?v=15523:38:23888

$eval@https://search.node.com/bundles/commons.bundle.js?v=15523:39:4607

$digest@https://search.node.com/bundles/commons.bundle.js?v=15523:39:2343

$apply@https://search.node.com/bundles/commons.bundle.js?v=15523:39:5026

done@https://search.node.com/bundles/commons.bundle.js?v=15523:37:25016

completeRequest@https://search.node.com/bundles/commons.bundle.js?v=15523:37:28702

createHttpBackend/</xhr.onload@https://search.node.com/bundles/commons.bundle.js?v=15523:37:29634