picard reOrder problem

[seq_GA]

Hi,
I am getting the following error while trying to use picard ReorderSam. The bam file is around 29G size.

 java -Xmx30G -jar /picard-tools-1.55/ReorderSam.jar I=test.bam O=test_reOrder.bam R=hg19.fa

[Wed Nov 02 16:30:11 SGT 2011] net.sf.picard.sam.ReorderSam done. Elapsed time: 50.22 minutes.
Runtime.totalMemory()=11533090816
Exception in thread "main" net.sf.samtools.util.RuntimeIOException: java.io.FileNotFoundException: /tmp/userrig/sortingcollection.7495261805918270421.tmp (Too many open files)
at net.sf.samtools.util.SortingCollection$FileRecordIterator.<init>(SortingCollection.java:445)
at net.sf.samtools.util.SortingCollection$MergingIterator.<init>(SortingCollection.java:384)
at net.sf.samtools.util.SortingCollection.iterator(SortingCollection.java:254)
at net.sf.samtools.util.SortingCollection.iterator(SortingCollection.java:43)
at net.sf.samtools.SAMFileWriterImpl.close(SAMFileWriterImpl.java:177)
at net.sf.picard.sam.ReorderSam.doWork(ReorderSam.java:120)
at net.sf.picard.cmdline.CommandLineProgram.instanceMain(CommandLineProgram.java:175)
at net.sf.picard.cmdline.CommandLineProgram.instanceMainWithExit(CommandLineProgram.java:118)
at net.sf.picard.sam.ReorderSam.main(ReorderSam.java:77)
Caused by: java.io.FileNotFoundException: /tmp/userrig/sortingcollection.7495261805918270421.tmp (Too many open files)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:120)
at net.sf.samtools.util.SortingCollection$FileRecordIterator.<init>(SortingCollection.java:439)
... 8 more

Please let me know a way to overcome this problem. Thanks.

[seq_GA]

Hi,
Any one has a solution? Thanks.

[christophpale]

Hi,
Any one has a solution? Thanks.

Try
java -Xmx4g