es优化运维相关

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集群

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节点

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集群故障

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跨集群搜索

单master会成为性能瓶颈，集群meta信息（节点、索引、集群状态）过多，更新压力大

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安全

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节点选择

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hot warm node

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rack awareness

避免同一索引主副分片分配在同一机架节点上

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容量规划

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配置最佳实践

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监控es

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诊断

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