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Date: Thu, 13 Mar 2008 19:23:24 -0700 (PDT)
From: "Brent Calder (JIRA)" <jira@apache.org>
To: couchdb-dev@incubator.apache.org
Subject: [jira] Commented: (COUCHDB-25) Javascript view on big dataset
 crashes couchjs?
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    [ https://issues.apache.org/jira/browse/COUCHDB-25?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578574#action_12578574 ] 

Brent Calder commented on COUCHDB-25:
-------------------------------------

I get the same error on my MacOS X (10.5) build (CouchDB 0.7.3a776).  No problem with a small database with a few records, but using a 1.7GB, ~150000 record database the outcome is the same:

[error] [emulator] Error in process <0.121.0> with exit value: {{nocatch,{map_process_error,{exit_status,0}}},[{couch_query_servers,readline,2},{couch_query_servers,read_json,1},{couch_query_servers,'-map_docs/2-fun-0-',2},{lists,map,2},{lists,map,2},{couch_query_servers,map_docs... 

=ERROR REPORT==== 13-Mar-2008::19:22:37 ===
Error in process <0.121.0> with exit value: {{nocatch,{map_process_error,{exit_status,0}}},[{couch_query_servers,readline,2},{couch_query_servers,read_json,1},{couch_query_servers,'-map_docs/2-fun-0-',2},{lists,map,2},{lists,map,2},{couch_query_servers,map_docs... 

[info] [<0.120.0>] HTTP Error (code 500): {obj,[{error,"map_process_error"},
                             {reason,"{exit_status,0}"}]}
[info] [<0.120.0>] HTTP Response Code:500


> Javascript view on big dataset crashes couchjs?
> -----------------------------------------------
>
>                 Key: COUCHDB-25
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-25
>             Project: CouchDB
>          Issue Type: Bug
>          Components: JavaScript View Server
>            Reporter: Noah Slater
>            Priority: Minor
>
> What steps will reproduce the problem?
> Not entirely sure. I have been doing some testing with CouchDB, essentially
> downloading messages from twitter for a few days and dumping them in a
> database. I would attach the DB file, but it's like 120MB big. Then when I
> run a simple view on it, even the simple:
> function(doc) {
>   map(null, doc);  
> }
> I get to see the following messages in the server log. Sometimes it works
> though, so it seems kind of arbitrary:
> -----
> [error] [emulator] Error in process <0.2776.1> with exit value:
> {{nocatch,{map_process_error,{exit_status,0}}},[{couch_query_servers,readline,2},{couch_query_servers,read_json,1},{couch_query_servers,'-map_docs/2-fun-0-',2},{lists,map,2},{lists,map,2},{couch_query_servers,map_docs...
> =ERROR REPORT==== 7-Mar-2008::15:45:48 ===
> Error in process <0.2776.1> with exit value:
> {{nocatch,{map_process_error,{exit_status,0}}},[{couch_query_servers,readline,2},{couch_query_servers,read_json,1},{couch_query_servers,'-map_docs/2-fun-0-',2},{lists,map,2},{lists,map,2},{couch_query_servers,map_docs...
> [info] [<0.2775.1>] HTTP Error (code 500): {obj,[{error,"map_process_error"},
>                              {reason,"{exit_status,0}"}]}
> [info] [<0.2775.1>] HTTP Response Code:500
> -----
> What version of the product are you using? On what operating system?
> This only occurs on the subversion trunk build on Ubuntu Linux 7.10. On the
> current release version it works fine.
> Please provide any additional information below.
>  
> If you want the .couch files with which this happens, let me know.
> --
> Okay, can you make the DB file available somehow and send me a link to it to cmlenz at gmx.de? I think it 
> should compress fairly well BTW.

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