I'm changing the mapred.child.java.opts=-Xmx1500m in crawl bash file.

Is it correct?, should I change anywhere else?


Kind regards, 
Hany Shehata
Enterprise Engineer
Green Six Sigma Certified
Solutions Architect, Marketing and Communications IT 
Corporate Functions | HSBC Operations, Services and Technology (HOST)
ul. Kapelanka 42A, 30-347 Kraków, Poland
__________________________________________________________________ 

Tie line: 7148 7689 4698 
External: +48 123 42 0698 
Mobile: +48 723 680 278 
E-mail: hany.n...@hsbc.com 
__________________________________________________________________ 
Protect our environment - please only print this if you have to!


-----Original Message-----
From: Markus Jelsma [mailto:markus.jel...@openindex.io] 
Sent: 14 March 2019 10:59
To: user@nutch.apache.org
Subject: RE: OutOfMemoryError: GC overhead limit exceeded

Hello - 1500 MB is a lot indeed, but 3500 PDF pages is even more. You have no 
choice, either skip large files, or increase memory.

Regards,
Markus

 
 
-----Original message-----
> From:hany.n...@hsbc.com.INVALID <hany.n...@hsbc.com.INVALID>
> Sent: Thursday 14th March 2019 10:44
> To: user@nutch.apache.org
> Subject: OutOfMemoryError: GC overhead limit exceeded
> 
> Hello,
> 
> I'm facing OutOfMemoryError: GC overhead limit exceeded exception while 
> trying to parse pdfs that includes 3500 pages.
> 
> I increased the JVM RAM to 1500MB; however, I'm still facing the same 
> problem
> 
> Please advise....
> 
> 2019-03-08 05:31:55,269 WARN  parse.ParseUtil - Error parsing 
> http://domain/-/media/files/attachments/common/voting_disclosure_2014_
> q2.pdf with org.apache.nutch.parse.tika.TikaParser
> java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: GC 
> overhead limit exceeded
>                 at java.util.concurrent.FutureTask.report(FutureTask.java:122)
>                 at java.util.concurrent.FutureTask.get(FutureTask.java:206)
>                 at 
> org.apache.nutch.parse.ParseUtil.runParser(ParseUtil.java:188)
>                 at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:92)
>                 at 
> org.apache.nutch.parse.ParseSegment$ParseSegmentMapper.map(ParseSegment.java:127)
>                 at 
> org.apache.nutch.parse.ParseSegment$ParseSegmentMapper.map(ParseSegment.java:78)
>                 at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
>                 at 
> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
>                 at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
>                 at 
> org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
>                 at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>                 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>                 at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>                 at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>                 at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
>                 at 
> org.apache.pdfbox.text.PDFTextStripper.writePage(PDFTextStripper.java:564)
>                 at 
> org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:392)
>                 at 
> org.apache.tika.parser.pdf.PDF2XHTML.processPage(PDF2XHTML.java:147)
>                 at 
> org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:319)
>                 at 
> org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:266)
>                 at 
> org.apache.tika.parser.pdf.PDF2XHTML.process(PDF2XHTML.java:117)
>                 at 
> org.apache.tika.parser.pdf.PDFParser.parse(PDFParser.java:171)
>                 at 
> org.apache.nutch.parse.tika.TikaParser.getParse(TikaParser.java:138)
>                 at 
> org.apache.nutch.parse.tika.TikaParser.getParse(TikaParser.java:79)
>                 at 
> org.apache.nutch.parse.ParseCallable.call(ParseCallable.java:35)
>                 at 
> org.apache.nutch.parse.ParseCallable.call(ParseCallable.java:24)
> 
> Kind regards,
> Hany Shehata
> Enterprise Engineer
> Green Six Sigma Certified
> Solutions Architect, Marketing and Communications IT Corporate 
> Functions | HSBC Operations, Services and Technology (HOST) ul. 
> Kapelanka 42A, 30-347 Kraków, Poland 
> __________________________________________________________________
> 
> Tie line: 7148 7689 4698
> External: +48 123 42 0698
> Mobile: +48 723 680 278
> E-mail: hany.n...@hsbc.com<mailto:hany.n...@hsbc.com>
> __________________________________________________________________
> Protect our environment - please only print this if you have to!
> 
> 
> 
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