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From Mike Marino <mmar...@gmail.com>
Subject Re: running views return nothing with couchdb1.5.1
Date Wed, 21 May 2014 15:59:29 GMT
Ok, that could indeed be an error from a library not find while running an
external process (e.g. couchjs). Can you run couchjs?

:~> which couchjs
/usr/local/bin/couchjs
:~> ldd `which couchjs`
... should resolve all libaries ...
:~> couchjs



On Wed, May 21, 2014 at 5:50 PM, Ramanadham, Radhika <
radhika.ramanadham@emc.com> wrote:

> Here is what I see in the log:
>
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.202.0>] OS Process Error
> <0.17168.143> :: {os_process_error,
>                                                        {exit_status,127}}
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.3093.3>] OS Process Error
> <0.17165.143> :: {os_process_error,
>                                                         {exit_status,127}}
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.202.0>] OS Process Error
> <0.17176.143> :: {os_process_error,
>                                                        {exit_status,127}}
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.3093.3>] OS Process Error
> <0.17174.143> :: {os_process_error,
>                                                         {exit_status,127}}
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.202.0>] OS Process Error
> <0.17172.143> :: {os_process_error,
>                                                        {exit_status,127}}
> [Wed, 21 May 2014 15:49:42 GMT] [error] [<0.3093.3>] OS Process Error
> <0.17182.143> :: {os_process_error,
>                                                         {exit_status,127}}
>
> -----Original Message-----
> From: Mike Marino [mailto:mmarino@gmail.com]
> Sent: Wednesday, May 21, 2014 11:04 AM
> To: user@couchdb.apache.org
> Subject: Re: running views return nothing with couchdb1.5.1
>
> Ok, then for some reason your view can't be built.
>
> Can you output the log?  You should see error output when you request the
> view.  (Best is to use friendpaste or something similar and send a link.)
>
> Am 21.05.2014 um 16:54 schrieb "Ramanadham, Radhika" <
> radhika.ramanadham@emc.com>:
>
> Sorry, looks like the images are filtered out.
>
>
>
> But, here is what gets returned- Error- An error occurred accessing the
> view.
>
>
>
>
>
> *From:* Ramanadham, Radhika
> [mailto:radhika.ramanadham@emc.com<radhika.ramanadham@emc.com>]
>
> *Sent:* Wednesday, May 21, 2014 10:47 AM
> *To:* user@couchdb.apache.org
> *Subject:* RE: running views return nothing with couchdb1.5.1
>
>
>
> Thanks Mike. I will clean up my reduce functions once I get this resolved.
>
>
>
> Reg the issue:  I am not sure where to look if views are building or not.
>
>
>
>
>
>
>
>
>
> On the other hand, on couchdb server 1.5.0, I see the results:
>
>
>
>
>
> -----Original Message-----
> From: Mike Marino [mailto:mmarino@gmail.com <mmarino@gmail.com>]
> Sent: Wednesday, May 21, 2014 10:32 AM
> To: user@couchdb.apache.org
> Subject: Re: running views return nothing with couchdb1.5.1
>
>
>
> Hi Radhika,
>
>
>
> What does the server status say in futon?  (i.e. does it note that the
> views are building or not?)
>
>
>
> One side comment, the reduce functions that you posted will likely not do
> what you expect when a rereduce is run.  I would suggest using _stats
> (preferable solution,
> http://couchdb.readthedocs.org/en/latest/couchapp/ddocs.html#builtin-reduce-functions
>
> ).
>
>
>
> Cheers,
>
> Mike
>
>
>
>
>
> On Wed, May 21, 2014 at 4:25 PM, Ramanadham, Radhika <
> radhika.ramanadham@emc.com> wrote:
>
>
>
> > Hi,
>
> >
>
> > I have some code that creates DB, documents and design documents with
>
> > views and lists.
>
> >
>
> > When I run views, I don't know why, but it returns nothing and waits
>
> > for ever. This is with couchdb1.5.1
>
> >
>
> > When I run the same code against my another couchdb server, only
>
> > difference being that the version is 1.5.0, it works perfect. All the
>
> > views return the right responses and results.
>
> >
>
> > Can anyone help me here? I am at a loss!
>
> >
>
> > Below is a snippet of my design doc:
>
> >
>
> > def createDesignDocForPerfStats():
>
> >     design = db.design('perfstats')
>
> >     resp = design.put(params={
>
> >         "_id":"_design/perfstats",
>
> >         "language": "javascript",
>
> >         "views":
>
> >         {
>
> >             "by_server": {
>
> >                 "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit([doc.Hostname,doc.test_id],{
>
> > 'Start_time':doc.start_time ,'CPU': doc.CPU, 'Memory': doc.Memory,
>
> > 'FileSystem':doc.FileSystem }) }"
>
> >             },
>
> >              "by_test_id": {
>
> >                 "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit(doc.test_id,{ 'Server Name': doc.Hostname,
>
> > 'Start_time':doc.start_time, 'CPU': doc.CPU, 'Memory': doc.Memory,
>
> > 'FileSystem':doc.FileSystem }) }"
>
> >             },
>
> >              "by_testid_starttime": {
>
> >                 "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit([doc.test_id, doc.start_time],{ 'Server
> Name':
>
> > doc.Hostname, 'TestID':doc.test_id, 'CPU': doc.CPU, 'Memory':
>
> > doc.Memory, 'FileSystem':doc.FileSystem }) }"
>
> >             },
>
> >              #view is
>
> >
>
> http://10.247.32.71:5984/longevity/_design/perfstats51/_view/server?group=true
>
> >              "server": {
>
> >                  "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit([doc.test_id, doc.Hostname],null ) }",
>
> >                  "reduce": "function(keys, values) {return (null)}"
>
> >              },
>
> >             "cpu": {
>
> >                 "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit(doc.test_id, doc.CPU) }",
>
> >                 "reduce": "function(keys, values) "
>
> >                           "{ "
>
> >                           "avg = Math.round(sum(values)/values.length);"
>
> >                           "return(avg)"
>
> >                           " }"
>
> >             },
>
> >             #get avg cpu for all servers per time
>
> >             #
>
> >
>
> http://10.247.32.72:5984/longevity/_design/perfstats1/_view/cpu_by_starttime?group=true
>
> >             "cpu_by_starttime": {
>
> >                 "map": "function(doc) { if ((doc.type ==
>
> > 'performance_stats'))  emit([doc.test_id,doc.start_time], doc.CPU) }",
>
> >                 "reduce": "function(keys, values) "
>
> >                           "{ "
>
> >                           "avg = Math.round(sum(values)/values.length);"
>
> >                           "return(avg)"
>
> >                           " }"
>
> >             },
>
> >         },
>
> >         "lists":{
>
> >             "sort":"function(head, req) {"
>
> >                     "var row;"
>
> >                     "var rows=[];"
>
> >                     "while(row = getRow()) {"
>
> >                         "rows.push(row)"
>
> >                     "};"
>
> >                     "rows.sort(function(a,b) {"
>
> >                     "return b.value-a.value"
>
> >                     "});"
>
> >                     "send(JSON.stringify({\"rows\" : rows[0]}))"
>
> >             "}"
>
> >         }
>
> >     })
>
> >
>

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