Finally something I can help with! I went through the same problems you're having a short while ago. Check out https://cwiki.apache.org/confluence/display/solr/Running+Solr+on+HDFS for most of the information you need and be sure to check the comments on the page as well.
Here's an example from my working setup: ** <directoryFactory name="DirectoryFactory" class="solr.HdfsDirectoryFactory"> <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> <bool name="solr.hdfs.blockcache.read.enabled">true</bool> <bool name="solr.hdfs.blockcache.write.enabled">true</bool> <bool name="solr.hdfs.nrtcachingdirectory.enable">true</bool> <int name="solr.hdfs.nrtcachingdirectory.maxmergesizemb">16</int> <int name="solr.hdfs.nrtcachingdirectory.maxcachedmb">192</int> <str name="solr.hdfs.home">hdfs://nameservice1:8020/solr</str> <str name="solr.hdfs.confdir">/etc/hadoop/conf.cloudera.hdfs1</str> </directoryFactory> ** Thanks, Greg -----Original Message----- From: YouPeng Yang [mailto:yypvsxf19870...@gmail.com] Sent: Friday, August 23, 2013 1:16 AM To: solr-user@lucene.apache.org Subject: how to integrate solr with HDFS HA Hi all I try to integrate solr with HDFS HA.When I start the solr server, it comes out an exeception[1]. And I do know this is because the hadoop.conf.Configuration in HdfsDirectoryFactory.java does not include the HA configuration. So I want to know ,in solr,is there any way to include my hadoop HA configuration ? [1]----------------------------------------------------------------------------------------------- Caused by: java.lang.IllegalArgumentException: java.net.UnknownHostException: lklcluster at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:418) at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:164) at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:129) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:415) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:382) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:123) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2277) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:86) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2311) at org.apache.hadoop.fs.FileSystem$Cache.getUnique(FileSystem.java:2299) at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:364) at org.apache.solr.store.hdfs.HdfsDirectory.<init>(HdfsDirectory.java:59) at org.apache.solr.core.HdfsDirectoryFactory.create(HdfsDirectoryFactory.java:154) at org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:350) at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:256) at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:469) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:759)