Date:
01/06/09 09:59
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Submitted by:
glyn_dk
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Assigned to:
glyn_dk
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Category:
ALG file handling
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Priority:
5
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Ticket group:
reproducible
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Resolution:
Resolved
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Summary:
Out of memory when reading large wig files
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Original submission:
- File -> Import files
- add signal files (largest one is 62M)
/home/catch1/Desktop/Barski_ChIPseq/hg18/CTCF.vstep
/home/catch1/Desktop/Barski_ChIPseq/hg18/H2AZ.vstep
/home/catch1/Desktop/Barski_ChIPseq/hg18/H2BK5me1.vstep
/home/catch1/Desktop/Barski_ChIPseq/hg18/H3K27me1.vstep
/home/catch1/Desktop/Barski_ChIPseq/hg18/H3K27me2.vstep
/home/catch1/Desktop/Barski_ChIPseq/hg18/H3K27me3.vstep
- add position files
/home/catch1/Desktop/ENCODE regions/RefSeq_TSS_in_ENCODE_regions_hg17.bed
- click 'Convert and add to CATCH'
BUG: see console output below
...
53738
53739
53740
53741
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.regex.Matcher.<init>(Matcher.java:207)
at java.util.regex.Pattern.matcher(Pattern.java:888)
at fileControllers.TrackUtils.readvarwiggletrack(TrackUtils.java:166)
at fileControllers.TrackUtils.linematcher(TrackUtils.java:123)
at fileControllers.TrackUtils.readwiggletrack(TrackUtils.java:84)
at fileControllers.ExtractWiggleLines.extractwigglelines(ExtractWiggleLines.java:85)
at fileControllers.ExtractWiggleLines.conversionPartOne(ExtractWiggleLines.java:49)
at fileControllers.ExtractWiggleLines.conversionstepone(ExtractWiggleLines.java:40)
at fileControllers.ExtractWiggleLines.conversionstepone(ExtractWiggleLines.java:26)
at fileManager.FileInterfaceGui.convert(FileInterfaceGui.java:368)
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Followups
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Comment
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Date
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By
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Heap size can be extended by running CATCH from the commandline with extra options for the JVM, e.g. to set max heap size to 1GB:
java -Xms1000M -Xmx1000M -jar CATCH3.jar &
For more information on Java heap settings, read:
http://www.caucho.com/resin-3.0/performance/jvm-tuning.xtp
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01/11/09 08:56
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glyn_dk
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Ticket change history
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Field
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Old value
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Date
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By
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status_id
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Unset |
01/11/09 08:56
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glyn_dk
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assigned_to
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unset |
01/11/09 08:56
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glyn_dk
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resolution_id
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Unset |
01/11/09 08:56
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glyn_dk
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close_date
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12/31/69 19:00 |
01/11/09 08:56
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glyn_dk
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