I did that kill -SIGQUIT thing on the parse hang-- looks like jid3lib
has a problem... but if jid3lib throws an exception, shouldn't the
parse-mp3 plugin and nutch pick it up and continue? (Excuse my java
lack of knowledge...)
Full thread dump Java HotSpot(TM) Server VM (1.5.0_10-b03 mixed mode):
"Thread-0" prio=1 tid=0xa269d5e8 nid=0x797f runnable
[0xa2b7e000..0xa2b7f040]
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.<init>(Throwable.java:196)
at java.lang.Exception.<init>(Exception.java:41)
at org.farng.mp3.TagException.<init>(Unknown Source)
at org.farng.mp3.InvalidTagException.<init>(Unknown Source)
at org.farng.mp3.id3.ID3v2_3Frame.read(Unknown Source)
at org.farng.mp3.id3.ID3v2_3Frame.<init>(Unknown Source)
at org.farng.mp3.id3.ID3v2_3.read(Unknown Source)
at org.farng.mp3.id3.ID3v2_3.<init>(Unknown Source)
at org.farng.mp3.MP3File.<init>(Unknown Source)
at org.farng.mp3.MP3File.<init>(Unknown Source)
at org.apache.nutch.parse.mp3.MP3Parser.getParse
(MP3Parser.java:69)
at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:84)
at org.apache.nutch.parse.ParseSegment.map(ParseSegment.java:
76)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:213)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run
(LocalJobRunner.java:105)
"Low Memory Detector" daemon prio=1 tid=0x08123d40 nid=0x797d
runnable [0x00000000..0x00000000]
"CompilerThread1" daemon prio=1 tid=0x081228b0 nid=0x797c waiting on
condition [0x00000000..0x9f4c51e8]
"CompilerThread0" daemon prio=1 tid=0x08121848 nid=0x797b waiting on
condition [0x00000000..0x9f445068]
"AdapterThread" daemon prio=1 tid=0x081207b0 nid=0x797a waiting on
condition [0x00000000..0x00000000]
"Signal Dispatcher" daemon prio=1 tid=0x0811f8b8 nid=0x7979 waiting
on condition [0x00000000..0x00000000]
"Finalizer" daemon prio=1 tid=0x08116138 nid=0x7978 in Object.wait()
[0x9f27f000..0x9f27f1c0]
at java.lang.Object.wait(Native Method)
- waiting on <0x601c8db8> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
- locked <0x601c8db8> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
at java.lang.ref.Finalizer$FinalizerThread.run
(Finalizer.java:159)
"Reference Handler" daemon prio=1 tid=0x08114ae8 nid=0x7977 in
Object.wait() [0x9f1fe000..0x9f1ff040]
at java.lang.Object.wait(Native Method)
- waiting on <0x601b7da0> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:474)
at java.lang.ref.Reference$ReferenceHandler.run
(Reference.java:116)
- locked <0x601b7da0> (a java.lang.ref.Reference$Lock)
"main" prio=1 tid=0x0805d538 nid=0x796e waiting on condition
[0xffff9000..0xffff9e48]
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:
367)
at org.apache.nutch.parse.ParseSegment.parse
(ParseSegment.java:130)
at org.apache.nutch.parse.ParseSegment.main
(ParseSegment.java:148)
"VM Thread" prio=1 tid=0x081125f8 nid=0x7976 runnable
"GC task thread#0 (ParallelGC)" prio=1 tid=0x08077b48 nid=0x7972
runnable
"GC task thread#1 (ParallelGC)" prio=1 tid=0x08078750 nid=0x7973
runnable
"GC task thread#2 (ParallelGC)" prio=1 tid=0x08079340 nid=0x7974
runnable
"GC task thread#3 (ParallelGC)" prio=1 tid=0x08079f30 nid=0x7975
runnable
"VM Periodic Task Thread" prio=1 tid=0x081252c0 nid=0x797e waiting on
condition
On Jan 4, 2007, at 11:12 AM, Brian Whitman wrote:
>
> On Jan 4, 2007, at 10:47 AM, Dennis Kubes wrote:
>
>> What nutch version are you using and what is your setup. An 80K
>> reparse should only take a few minutes at most.
>
>
> Hi, not sure if my followup mail got through, but I found out that
> my re-parse hang was coming from the parse-mp3 plugin -- it was
> hanging on a particular mp3 file. I'm looking into it...
>
> That said, my 80K reparse (after taking out parse-mp3) took about
> 30 minutes. On a dual Xeon 3.0 debian machine with 4GB RAM, running
> the nutch nightly from two days ago. Does this seem slower than
> normal?
>
>
>
>
>
>> Brian Whitman wrote:
>>> On yesterdays nutch-nightly, from Dennis Kubes suggestions on how
>>> to normalize URLs, I removed the parsed folders via
>>> rm -rf crawl_parse parse_data parse_text
>>> from a recent crawl so I could re-parse the crawl using a regex
>>> urlnormalizer.
>>> I ran bin/nutch parse crawl/segments/2007.... on a 80K document
>>> segment.
>>> The hadoop log (set to INFO) showed a lot of warnings on
>>> unparsable documents, with a mapred.JobClient - map XX% reduce
>>> 0% ticker steadily going up. It then stopped at map 49% with no
>>> more warnings or info, and has been that way for about 6 hours.
>>> Top shows java at 99% CPU.
>>> Is it hung or should re-parsing an already crawled segment take
>>> this long? Shouldn't hadoop be showing the parse progress?
>>> To test I killed the process and set my nutch-site back to the
>>> original -- no url normalizer. No change-- still hangs in the
>>> same spot. Any ideas?
>>> -Brian
>
> --
> http://variogr.am/
> [EMAIL PROTECTED]
>
>
>
--
http://variogr.am/
[EMAIL PROTECTED]
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