Hi everybody i have a ES cluster of 2 node (8 GB) machine. each ES node assigned 4 GB memory. I have 1 index with 10 shard and 1 replica. this index has around 35 millions documents of 20 GB. i have 2 more indexes, which have few hundreds of documents. Suddenly in 1 node cpu usages is 90% and i…

CPU usages 90% and ES hotthreads dump

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CPU usages 90% and ES hotthreads dump