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From Andrew Melo <andrew.m...@gmail.com>
Subject Re: Strange caching
Date Sat, 11 Aug 2012 22:56:33 GMT
On Sat, Aug 11, 2012 at 5:52 PM, Robert Newson <rnewson@apache.org> wrote:
>
> By chance are you using an editor like emacs that makes foo~ style backup files? I found
that couchapp would find the ~ backup file and not the latest version.

No, I'm using eclipse and I verified that the design document stored
in the DB has "the right" view.

Thanks!
Andrew

>
> B.
>
> On 11 Aug 2012, at 23:18, Andrew Melo wrote:
>
>> On Sat, Aug 11, 2012 at 5:11 PM, Andrew Melo <andrew.melo@gmail.com> wrote:
>>> Hey all,
>>>
>>> I'm at my wits end here trying to figure this out, maybe someone can help.
>>>
>>> I have a view with a map function and a database with one document.
>>> The view just looks for if doc['state'] is 'failed' or 'done' and if
>>> there is, it emits a value. A previous version of the view only
>>> checked for 'done'. If it helps, I'm running these tests in a unittest
>>> which deletes the database after every test case, and i've also
>>> manually deleted the database from futon to be extra-sure that it's
>>> gone and any state's been blown away.
>>>
>>> Now, if my document has state = done, the view correctly shows the one
>>> row. However, if state = false, the view emits zero rows. I've added
>>> some log() statements into the branch that should be executed if the
>>> doc fails the state test, and it's not executed. It seems like somehow
>>> an old old version of the view has been cached somewhere. Stranger,
>>> the docs contain timestamps, so the hashes should be different in
>>> every invocation, so if my understanding of how the view caching
>>> works, this shouldn't be cached at all.
>>>
>>> Strangely, if I go to futon, select the offending view, hit the "view
>>> code" function and insert whitespace, it returns the correct value.
>>>
>>> Is there some strange bug I'm triggering or is this a known feature?
>>> I've pasted my view and my doc below.
>>
>> I guess I should add that this is part of a couchapp, I'm running the
>> CouchBase OSX binaries and this is replicatable across invocations
>> (i.e. delete the database, shutdown server, restart server, run test)
>>
>>>
>>> Thanks in advance,
>>> Andrew
>>>
>>> my view:
>>> function complete_job(doc) {
>>>        if ( (doc['state'] == 'failed' )  || ( doc['state'] == 'done' ) ) {
>>>                return true;
>>>        }
>>>        log( doc );
>>>        log(doc['state']);
>>>        return false;
>>>
>>> }
>>> function(doc) {
>>>        if(doc.lfn && complete_job(doc)){
>>>                emit(doc.last_update, {"lfn": doc.lfn, "workflow": doc.workflow,
>>> "location": doc.destination, "checksum": doc.checksums, "jobid":
>>> doc.jobid, "retry_count": doc.retry_count.length+1, "size": doc.size,
>>> "state" : doc.state});
>>>        }
>>> }
>>>
>>> My document:
>>> {
>>>   "_id": "e5c47962375981dd336c2bc8d4a94208375935f06868847f3363daaa",
>>>   "_rev": "2-7a50be4c10264ab4fb94a5bbf489dcfc",
>>>   "inputdataset": "",
>>>   "lfn": "/store/user/meloam/T2stop_600_50_0_5test/MeloAcquisitionEra/IntegrationTest_120810/00000/B4749FB5-38E3-E111-ADC3-782BCB4FBD6F.root",
>>>   "checksums": {
>>>       "adler32": "5759a594",
>>>       "cksum": "468777326"
>>>   },
>>>   "size": 2432988,
>>>   "group": "",
>>>   "destination": "T1_US_FNAL_Buffer",
>>>   "last_update": 1344722369,
>>>   "source": "T2_US_Vanderbilt",
>>>   "state": "failed",
>>>   "role": "",
>>>   "dbSource_url": "http://127.0.0.1:5984",
>>>   "dn": "None",
>>>   "workflow": "meloam_ASYNCTEST1_120810_170823_8981",
>>>   "timestamp": 1344722369,
>>>   "start_time": "2012-08-11 16:59:29.754080",
>>>   "job_end_time": 1342768166,
>>>   "dbs_url": null,
>>>   "publication_retry_count": [
>>>   ],
>>>   "user": "T2stop_600_50_0_5test",
>>>   "dbSource_update": 1342768166,
>>>   "publication_state": "not_published",
>>>   "task": "/meloam_MeloMCGenTestv6_120719_204741_1342/Production",
>>>   "jobid": "a9a04888-d239-11e1-b31b-001d7d020436-0",
>>>   "retry_count": [
>>>       "2012-08-11 16:59:29.963710"
>>>   ],
>>>   "publish_dbs_url": "",
>>>   "end_time": "2012-08-11 16:59:29.963710"
>>> }
>>>
>>> --
>>> --
>>> Andrew Melo
>>
>>
>>
>> --
>> --
>> Andrew Melo
>



-- 
--
Andrew Melo

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