Hosted Dremio in Kubernetes with glusterfs PVC. one master and 3 executor.
Getting below exception. Please help me to find out RCA for this.
Is Lucene does not work well with glusterfs? Is there any config settings to fix this? please let me know.
Thanks in advance.
WARN c.d.s.s.LocalSchedulerService - Execution of task com.dremio.service.reflection.ReflectionServiceImpl$CacheRefresher@5f74757d failed
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:720) ~[lucene-core-5.4.1.jar:5.4.1 1725212 - jpountz - 2016-01-18 11:44:59]
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:734) ~[lucene-core-5.4.1.jar:5.4.1 1725212 - jpountz - 2016-01-18 11:44:59]
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2929) ~[lucene-core-5.4.1.jar:5.4.1 1725212 - jpountz - 2016-01-18 11:44:59]
at com.dremio.datastore.indexed.LuceneSearchIndex$CommitterThread.commitLoop(LuceneSearchIndex.java:105) ~[dremio-services-datastore-2.0.5-201806021755260067-767cfb5-mapr.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.datastore.indexed.LuceneSearchIndex$CommitterThread.access$000(LuceneSearchIndex.java:70) ~[dremio-services-datastore-2.0.5-201806021755260067-767cfb5-mapr.jar:2.0.5-201806021755260067-767cfb5-mapr]
at com.dremio.datastore.indexed.LuceneSearchIndex$CommitterThread$1.run(LuceneSearchIndex.java:79) ~[dremio-services-datastore-2.0.5-201806021755260067-767cfb5-mapr.jar:2.0.5-201806021755260067-767cfb5-mapr]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]
Caused by: java.nio.file.FileSystemException: /var/lib/dremio/local_01/db/search/materialization_store/core/_xg.fdx: Transport endpoint is not connected
** at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) ~[na:1.8.0_181]**