couchdb-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Robert Newson <rnew...@apache.org>
Subject Re: Lots of requests with continuous replications (every 5 seconds)
Date Thu, 29 Aug 2013 18:40:08 GMT
It certainly is silly, yes.

B.


On 29 August 2013 19:38, Adam Kocoloski <kocolosk@apache.org> wrote:
> It's really a bit silly, though -- as far as I can tell the GET requests against the
source DB are only used to keep the source_seq information in _active_tasks current.
>
> Adam
>
> On Aug 29, 2013, at 2:36 PM, Robert Newson <rnewson@apache.org> wrote:
>
>> Hi,
>>
>> The checkpoint interval is now configurable on Cloudant (as of a few
>> days ago) as a consequence of either your report or another user. Just
>> add "checkpoint_interval": <number> to your _replicate request. If
>> your replication is started by CouchDB then this option will not
>> currently work.
>>
>> B.
>>
>>
>>
>> On 29 August 2013 19:31, Franck Eyraud <franck+couchdbml@yrnm.net> wrote:
>>> Hello list,
>>>
>>> I didn't find the answer to the following questions using Google :
>>>
>>> Why does Couchdb send a GET request to the database every 5 seconds while
>>> replicating continuously ? Doesn't the replicator use the _change API (with
>>> heartbeat functionality) anyway ? And if there is a need to poll aserver
>>> alive, 5 seconds seem very often to me.
>>>
>>> Plus, it seems it adds some fee issues in some cases :
>>> http://stackoverflow.com/questions/18254772/hanging-replications-on-cloudant
>>>
>>> I don't have the issue above yet, but in the case of an application where
>>> clients can replicate so that they can run offline, this would result in a
>>> loot of requests. Is there a way to avoid this ? To make it less often ?
>>>
>>> Thank you for your help,
>>>
>>> Franck Eyraud
>>>
>>>
>>>
>

Mime
View raw message