我对 Solr 很陌生，所以如果这是一个愚蠢的问题，我深表歉意 :) 我有一个 Solr 进程正在运行并将内容记录到文件中。我相信日志级别设置为 INFO。不管怎样，即使没有真正搜索到任何内容，它仍然会疯狂记录。日志主要包含以下记录：
INFO: autowarming result for Searcher@7c35a3be main
queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
May 31, 2012 6:53:45 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming Searcher@7c35a3be main from Searcher@7dde0950 main
documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=6188938,cumulative_hits=2441,cumulative_hitratio=0.00,cumulative_inserts=6186497,cumulative_evictions=4581707}
May 31, 2012 6:53:45 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming result for Searcher@7c35a3be main
documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=6188938,cumulative_hits=2441,cumulative_hitratio=0.00,cumulative_inserts=6186497,cumulative_evictions=4581707}
May 31, 2012 6:53:45 PM org.apache.solr.core.QuerySenderListener newSearcher
INFO: QuerySenderListener sending requests to Searcher@7c35a3be main
May 31, 2012 6:53:45 PM org.apache.solr.core.QuerySenderListener newSearcher
INFO: QuerySenderListener done.
May 31, 2012 6:53:45 PM org.apache.solr.core.SolrCore registerSearcher
INFO: [] Registered new searcher Searcher@7c35a3be main
May 31, 2012 6:53:45 PM org.apache.solr.search.SolrIndexSearcher close
INFO: Closing Searcher@7dde0950 main
fieldValueCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
filterCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=6188938,cumulative_hits=2441,cumulative_hitratio=0.00,cumulative_inserts=6186497,cumulative_evictions=4581707}
May 31, 2012 6:53:45 PM org.apache.solr.update.processor.LogUpdateProcessor finish
这是正常的吗？这似乎给系统带来了相当大的负担（没什么戏剧性的，但仍然如此）。
我只是想了解它到底在做什么以及为什么。