将Solr的数据存到Hdfs上

具体官方文档

https://cwiki.apache.org/confluence/display/solr/Running+Solr+on+HDFS

修改solrconfig.xml文件

<directoryFactory name="DirectoryFactory" class="solr.HdfsDirectoryFactory">
  <str name="solr.hdfs.home">hdfs://192.168.4.20:9000/solr</str>
  <bool name="solr.hdfs.blockcache.enabled">true</bool>
  <int name="solr.hdfs.blockcache.slab.count">1</int>
  <bool name="solr.hdfs.blockcache.direct.memory.allocation">true</bool>
  <int name="solr.hdfs.blockcache.blocksperbank">16384</int>
  <int name="solr.hdfs.nrtcachingdirectory.maxcachedmb">192</int>
</directoryFactory>

<lockType>${solr.lock.type:hdfs}</lockType>