If you want to retrieve a huge volume of rows you will end up with an OutOfMemoryException due to the jdbc driver. Setting batchSize to -1 in your data-config.xml (that internally will set it to Integer.MIN_VALUE) will make the query to be executed in streaming, avoiding the memory exception.
Joel Nylund wrote: > > Hi, > > it looks like from looking at the code the default is 500, is the > recommended setting for this? > > Has anyone notice any significant performance/memory tradeoffs by > making this much bigger? > > thanks > Joel > > > -- View this message in context: http://old.nabble.com/suggestions-for-DIH-batchSize-tp26894539p26897636.html Sent from the Solr - User mailing list archive at Nabble.com.