Solr中国 >> Blog Archive >> Solr缓存 - 【Solr教程|Solr安装|Solr配置|Solr优化|Solr资料】



缓存在 Solr 中充当了一个非常重要的角色,Solr 中主要有这三种缓存:
Filter cache(过滤器缓存),用于保存过滤器(fq 参数)和层面搜索的结果
Document cache(文档缓存),用于保存 lucene 文档存储的字段
Query result(查询缓存),用于保存查询的结果
还有第四种缓存,lucene 内部的缓存,不过该缓存外部无法控制到。
通过这 3 种缓存,可以对 solr 的搜索实例进行调优。调整这些缓存,需要根据索引库中文档的数量,每次查询结果的条数等。
在调整参数前,需要事先得到 solr 示例中的以下信息: 索引中文档的数量 每秒钟搜索的次数 过滤器的数量 一次查询返回最大的文档数量
不同查询和不同排序的个数,这些数量可以在 solr admin 页面的日志模块找到。

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