Has anyone tested the CassandraStore in gora 0.2 using multiple threads? The
nutch 2 fetcher architecture has many threads writing to one GoraRecordWriter
and I am getting concurrent modification errors like below.
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
at java.util.HashMap$KeyIterator.next(HashMap.java:828)
at
org.apache.gora.cassandra.store.CassandraStore.flush(CassandraStore.java:192)
at
org.apache.gora.mapreduce.GoraRecordWriter.write(GoraRecordWriter.java:65)
