我对 Elasticsearch 还比较陌生,目前,我正在尝试从 Solr 切换到 Elasticsearch,当 ES 在我们的生产网站上时,我看到 CPU 使用率大幅增加。该站点每秒可以看到 10,000 到 30,000 个对 ES 的请求。Solr 可以很好地处理我们当前硬件的负载。
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ES 托管在 AWS 上的一个m4.xlarge.elasticsearch
实例上。
我们的集群设置如下(任何不包括的都是默认的):
"persistent": {
"cluster": {
"routing": {
"allocation": {
"cluster_concurrent_rebalance": "2",
"node_concurrent_recoveries": "2",
"disk": {
"watermark": {
"low": "15.0gb",
"flood_stage": "5.0gb",
"high": "10.0gb"
}
},
"node_initial_primaries_recoveries": "4"
}
}
},
"indices": {
"recovery": {
"max_bytes_per_sec": "60mb"
}
}
我们的节点具有以下配置:
"_nodes": {
"total": 2,
"successful": 2,
"failed": 0
},
"cluster_name": "cluster",
"nodes": {
"####": {
"name": "node1",
"version": "6.3.1",
"build_flavor": "oss",
"build_type": "zip",
"build_hash": "####",
"roles": [
"master",
"data",
"ingest"
]
},
"###": {
"name": "node2",
"version": "6.3.1",
"build_flavor": "oss",
"build_type": "zip",
"build_hash": "###",
"roles": [
"master",
"data",
"ingest"
]
}
}
有人可以帮我弄清楚到底发生了什么,以便我可以完成这个部署吗?