SOLR中的queryResultCache [英] queryResultCache in SOLR

问题描述

我想知道solrconfig.xml中的queryResultCache是​​否盲目缓存任何内容，还是仅成功处理了结果?那就是我不想缓存失败的查询结果.

I am wondering if queryResultCache in solrconfig.xml caches anything blindly or only successfully handled results? That is I don't want to cache failed query's results.

我还可以在queryResultCache定义中看到一些名为"autowarmCount"的属性.

Also I see some attribute called "autowarmCount" in the queryResultCache definition.

<queryResultCache
   class="solr.LRUCache"
   size="16384"
   initialSize="16384"
   autowarmCount="128"/>

我可以指定自动预热查询吗?还是可以自己弄清楚要使用哪些查询?

Can I specify queries for auto warming up? Or can it figure out itself what queries to use?

推荐答案

queryResultCache将仅存储成功处理的结果中的结果.

The queryResultCache will only store results from successfully handled results.

是的，您可以指定用于自动预热的查询.从关于缓存的Solr参考指南，请参阅查询- 相关的侦听器"部分详细介绍了在首次创建或新创建的搜索器以替换Solr中的现有搜索器时如何指定查询.

Yes you can specify the queries to use for the autowarming. From the Solr Reference Guide on Caches, please see the Query-Related Listeners section for details on how the queries can be specified when searchers are either frist created or newly created to replace an existing searcher in Solr.

还请注意以下内容(同样来自《参考指南》):

Also please note that the following (also from the Reference Guide):

当新的搜索者打开时，当前的搜索者会继续处理请求，而新的搜索者会自动预热其缓存.新的搜索者使用当前搜索者的缓存来预先填充自己的缓存.

When a new searcher is opened, the current searcher continues servicing requests while the new one auto-warms its cache. The new searcher uses the current searcher's cache to pre-populate its own.

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