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A Node in an Elasticsearch Cluster Has No Shards Allocated Solution Run the GET _cluster/allocation/explain?pretty command to view the unallocated shards. On the console, choose cerebro > more > cluster settings, enter allocation.enable in the upper left corner, and change none to
Why Does My ECS Fail to Connect to a Cluster? Perform the following steps to troubleshoot this problem: Check whether the ECS instance and cluster are in the same VPC. If they are, go to 2. If they are not, create an ECS instance and ensure that the ECS instance is in the same VPC
Why Is an Error Reported When Data Is Pushed to CSS After Logstash Is Deployed on an ECS? Symptom After Logstash is deployed on an ECS, an error is reported when data is pushed to CSS. The error message is as follows: LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError
What Are the Impacts If an Elasticsearch Cluster of CSS Has Too Many Shards? A large number of shards in a cluster slows down shard creation. If automatic index creation is enabled, slow index creation may cause a large number of write requests to be stacked in the memory or result
