The latest patch sets fetchSize as Integer.MIN_VALUE if -1 is passed. It is added specifically for mysql driver --Noble
On Wed, Jun 25, 2008 at 4:35 PM, Grant Ingersoll <[EMAIL PROTECTED]> wrote: > I think it's a bit different. I ran into this exact problem about two weeks > ago on a 13 million record DB. MySQL doesn't honor the fetch size for it's > v5 JDBC driver. > > See > http://www.databasesandlife.com/reading-row-by-row-into-java-from-mysql/ or > do a search for MySQL fetch size. > > You actually have to do setFetchSize(Integer.MIN_VALUE) (-1 doesn't work) in > order to get streaming in MySQL. > > -Grant > > > On Jun 24, 2008, at 10:35 PM, Shalin Shekhar Mangar wrote: > >> Setting the batchSize to 10000 would mean that the Jdbc driver will keep >> 10000 rows in memory *for each entity* which uses that data source (if >> correctly implemented by the driver). Not sure how well the Sql Server >> driver implements this. Also keep in mind that Solr also needs memory to >> index documents. You can probably try setting the batch size to a lower >> value. >> >> The regular memory tuning stuff should apply here too -- try disabling >> autoCommit and turn-off autowarming and see if it helps. >> >> On Wed, Jun 25, 2008 at 5:53 AM, wojtekpia <[EMAIL PROTECTED]> wrote: >> >>> >>> I'm trying to load ~10 million records into Solr using the >>> DataImportHandler. >>> I'm running out of memory (java.lang.OutOfMemoryError: Java heap space) >>> as >>> soon as I try loading more than about 5 million records. >>> >>> Here's my configuration: >>> I'm connecting to a SQL Server database using the sqljdbc driver. I've >>> given >>> my Solr instance 1.5 GB of memory. I have set the dataSource batchSize to >>> 10000. My SQL query is "select top XXX field1, ... from table1". I have >>> about 40 fields in my Solr schema. >>> >>> I thought the DataImportHandler would stream data from the DB rather than >>> loading it all into memory at once. Is that not the case? Any thoughts on >>> how to get around this (aside from getting a machine with more memory)? >>> >>> -- >>> View this message in context: >>> >>> http://www.nabble.com/DataImportHandler-running-out-of-memory-tp18102644p18102644.html >>> Sent from the Solr - User mailing list archive at Nabble.com. >>> >>> >> >> >> -- >> Regards, >> Shalin Shekhar Mangar. > > -------------------------- > Grant Ingersoll > http://www.lucidimagination.com > > Lucene Helpful Hints: > http://wiki.apache.org/lucene-java/BasicsOfPerformance > http://wiki.apache.org/lucene-java/LuceneFAQ
