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From Sergey Shepelev <temo...@gmail.com>
Subject Re: CouchDB for logging & file storage
Date Mon, 22 Jun 2009 15:36:27 GMT
Yeah, but for new queries it would return empty set until all documents are
processed, right?
This makes debugging new queries a bit tricky.

You have to pick unbiased 2-3K documents into separate database, test your
queries there while they're fast to build and then use them on big database.

On Mon, Jun 22, 2009 at 7:29 PM, Robert Newson <robert.newson@gmail.com>wrote:

> You can also pass stale=ok if you don't need the latest results from a
> view.
>
> http://wiki.apache.org/couchdb/HTTP_view_API
>
> B.
>
> On Mon, Jun 22, 2009 at 3:46 PM, Sergey Shepelev<temotor@gmail.com> wrote:
> > From my poor experience with couch, i think that your task (ever
> expanding
> > set of data, no updates) is perfect for couch.
> > But, you should
> > also consider that expanding-only set of data is a good task for
> > constant databases too. Though, you would run into a expansive process
> > writing a nice querying layer on top of key-value CDB.
> >
> > You can do basic and somewhat advanced querying with couch, though, full
> > text searching is not here. (Again, my knowledge is poor, maybe FTS is
> > possible)
> > Consider also, that couch indexing is lazy, it doesn't index documents
> until
> > you ask it a query.
> >
> > AND, the most difficult (for me) part - query is blocking on indexing.
> You
> > won't have any results until whole database is indexed. Index results are
> > cached, so old documents aren't processed until they changed. But for new
> > type of query and database with 300K items you will wait tens minutes to
> > hours to get query result.
> >
> > But you can run a tiny daemon that does query few times a minute so you
> > always have fast queries with up-to-date data.
> >
> > On Mon, Jun 22, 2009 at 6:01 PM, Nitin Gupta <
> nitin.gupta@srishtitechnet.com
> >> wrote:
> >
> >> Hi All,
> >>
> >>
> >>
> >> I am new to non-rdbms storage systems. I am working on an application in
> >> which we need to log different user actions as plain text. I am not of
> the
> >> opinion to make use of our rdbms for this activity as writing this on a
> >> rdbms can be an expansive process.
> >>
> >>
> >>
> >> Can I make use of Couch DB for this activity? Also I am looking to store
> >> all
> >> the attachments or BLOB into some non-rdbms solution. Can I make use of
> >> CouchDB here as well. This way I will just have to add one network
> >> component
> >> to address file storage and logging of user action.
> >>
> >>
> >>
> >> I would probably need to show the logged information on the admin
> console
> >> or
> >> some other UI to the users. I hope that I can do basic indexing,
> querying
> >> etc on the basis of data items.
> >>
> >>
> >>
> >> Regards,
> >>
> >> nitin
> >>
> >>
> >
>

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