0
我有一個嵌入式solr服務器，我與Spring Data Solr結合使用。我有大約60萬個文件佔用3GB。啓動期間，Solr需要幾分鐘才能執行第一個查詢。使用VisualVM，我已經能夠追蹤到似乎正在加載LZ4解壓縮需要很長時間從磁盤讀取的第一個文檔的瓶頸。跟蹤看起來像這樣：緩慢Solr啓動解壓存儲字段
searcherExecutor-5-thread-1
java.lang.Thread.run()
java.util.concurrent.ThreadPoolExecutor$Worker.run()
java.util.concurrent.ThreadPoolExecutor.runWorker()
java.util.concurrent.FutureTask.run()
java.util.concurrent.FutureTask$Sync.innerRun()
org.apache.solr.core.SolrCore$5.call()
org.apache.solr.handler.component.SuggestComponent$SuggesterListener.newSearcher()
org.apache.solr.spelling.suggest.SolrSuggester.reload()
org.apache.solr.spelling.suggest.SolrSuggester.build()
org.apache.lucene.search.suggest.Lookup.build()
org.apache.lucene.search.suggest.analyzing.AnalyzingSuggester.build()
org.apache.lucene.search.suggest.DocumentDictionary$DocumentInputIterator.next()
org.apache.lucene.index.IndexReader.document()
org.apache.lucene.index.BaseCompositeReader.document()
org.apache.lucene.index.SegmentReader.document()
org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader.visitDocument()
org.apache.lucene.codecs.compressing.CompressionMode$4.decompress()
org.apache.lucene.codecs.compressing.LZ4.decompress()
org.apache.lucene.store.BufferedIndexInput.readBytes()
org.apache.lucene.store.BufferedIndexInput.readBytes()
org.apache.lucene.store.BufferedIndexInput.refill()
org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.readInternal()
java.io.RandomAccessFile.seek[native]()
我需要存儲的字段的對象映射。我不明白爲什麼加載單個文檔時需要進行這麼多的解壓縮。這就像解壓查找表是巨大的。任何提示/建議？
