We have a cluster with a high number of pending tasks. An example below { "insert_order" : 17373233, "priority" : "NORMAL", "source" : "indices_store ([[logstash-CUSTOMER-PRODUCT-2016.03.18][2]] active fully on other nodes)", "executing" : false, "time_in_queue_millis" : 120941…

Cluster pending_tasks - what do they mean?

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Cluster pending_tasks - what do they mean?