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From Peter Somers <>
Subject Recap: Couchdb crashes on Windows
Date Mon, 27 Sep 2010 08:11:42 GMT
Hi all,

Just to summarize my previous thread, hoping that someone does know the
answer to my problem.
I want to thank everyone that already tried to help me.

We have been using couchdb on Windows without any problems for a while now
in dev an test phases.
Couchdb version 1.0.1, Windows 7 64bit.
Database files where always around 2 GB.
Our project enters productions phase, so I tried to load actual production
data in.
Couchdb always crashes when the database file is exactly 4GB (around 250,000
different documents)!

This is is couchdb's response after 4 GB of data:

Status code:500






[Sat, 25 Sep 2010 16:59:17 GMT] [error] [<0.227.0>] ** Generic server
<0.227.0> terminating
** Last message in was {pread_iolist,4294943206}
** When Server state ==
** Reason for termination ==
** file_corruption

After restart, couchdb keeps crashing as long as the 4 GB db file is there.

Possible solutions from the mailing list
-Use NTFS instead of FAT32: I was already using NTFS
-Check file quota settings: quotas management was disabled
I tried to copy a 5 GB file into the DB folder without any problems
-Run couchdb with the erlang console instead of as service: the same error
-It could be an Erlang on Windows problem: I hope it is not, they would not
support Couchdb on Windows if this was the case?

Windows event log:
This is what I found in the windows event log:
 - <?ui=2&view=bsp&ver=ohhl4rw8mbn4#12b488d84095eff0_> <Event xmlns="**">
 - <?ui=2&view=bsp&ver=ohhl4rw8mbn4#12b488d84095eff0_> <System>
   <Provider Name="*Application Error*" />
   <EventID Qualifiers="*0*">1000</EventID>
   <TimeCreated SystemTime="*2010-09-24T09:50:57.000000000Z*" />
   <Security />
 - <?ui=2&view=bsp&ver=ohhl4rw8mbn4#12b488d84095eff0_> <EventData>
   <Data>C:\Program Files (x86)\Apache Software

crashdump excerpt:

couchlog excerpt:

To speed up my tests (to get faster to the 4 GB), I tried to upload big
attachments (800MB) with futon.
Couchdb always crashes during the upload. This may not be related to this



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