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Duplicate collections in mongo db
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mongouser  
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 More options Jul 26 2012, 2:24 am
From: mongouser <nmchan...@gmail.com>
Date: Wed, 25 Jul 2012 23:24:46 -0700 (PDT)
Local: Thurs, Jul 26 2012 2:24 am
Subject: Duplicate collections in mongo db

Hello,

We are seeing duplicate collections in same mongo db.Is this a bug or
default feature in mongo???

PRIMARY> use ngcore
switched to db ngcore
PRIMARY> show collections
baklof
baklof
baklof
baklof
baklof
baklof
baklof
baklof
baklof
baof
baof
baof
baof
baof
baof
baof
baof
baof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caklof
caof

Thanks


 
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Nat  
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 More options Jul 26 2012, 3:05 am
From: Nat <nat.lu...@gmail.com>
Date: Thu, 26 Jul 2012 00:05:38 -0700 (PDT)
Local: Thurs, Jul 26 2012 3:05 am
Subject: Re: Duplicate collections in mongo db

It's not a feature. Did you see any exception/stacktrace in the log file
before it started happening?


 
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markh  
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 More options Jul 26 2012, 4:39 am
From: markh <m...@10gen.com>
Date: Thu, 26 Jul 2012 01:39:02 -0700 (PDT)
Local: Thurs, Jul 26 2012 4:39 am
Subject: Re: Duplicate collections in mongo db

Additionally, how did you generate the data/collections? What driver are
you using?

What version of MongoDB?

If needs be, can you share your code?


 
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mongouser  
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 More options Jul 26 2012, 4:13 pm
From: mongouser <nmchan...@gmail.com>
Date: Thu, 26 Jul 2012 13:13:44 -0700 (PDT)
Local: Thurs, Jul 26 2012 4:13 pm
Subject: Re: Duplicate collections in mongo db

Hi

Nat :- We havn't seen any exception in the log files.

Markh :- we are on version: 2.0.2, We are using java drivers.

It is difficult to share the code as it is a huge application.This is the
first time we are seeing this issue in mongo.Is there are cap on size of
the collection??? These are not created as capped collections.

Thanks,
Chandra.


 
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mongouser  
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 More options Jul 26 2012, 8:05 pm
From: mongouser <nmchan...@gmail.com>
Date: Thu, 26 Jul 2012 17:05:59 -0700 (PDT)
Local: Thurs, Jul 26 2012 8:05 pm
Subject: Re: Duplicate collections in mongo db

I found this on the forums,

https://jira.mongodb.org/browse/SERVER-3570

Looks like this is a bug.

Thanks,


 
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markh  
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 More options Jul 27 2012, 7:42 am
From: markh <m...@10gen.com>
Date: Fri, 27 Jul 2012 04:42:51 -0700 (PDT)
Local: Fri, Jul 27 2012 7:42 am
Subject: Re: Duplicate collections in mongo db

Hi,

Did you run out of disk space or have you noticed that you've had problems allocating
new extents/files.

Would it be possible to get a copy of your ns file for future diagnostics?

It looks like you need to do a repair. Are you able to do that?

Mark


 
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markh  
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 More options Jul 27 2012, 7:57 am
From: markh <m...@10gen.com>
Date: Fri, 27 Jul 2012 04:57:48 -0700 (PDT)
Local: Fri, Jul 27 2012 7:57 am
Subject: Re: Duplicate collections in mongo db

Sorry, I also meant to ask if there are any logs that you can share?


 
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mongouser  
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 More options Aug 1 2012, 12:50 pm
From: mongouser <nmchan...@gmail.com>
Date: Wed, 1 Aug 2012 09:50:48 -0700 (PDT)
Local: Wed, Aug 1 2012 12:50 pm
Subject: Re: Duplicate collections in mongo db

Thanks Mark. Mongo repair worked and it took care of the issue.

Regards,
Chandra.


 
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