Thanks Maxim.Is it possible to let us know by when this would be completed. Pradeep
Fateev, Maxim wrote: > > My first step is refactoring ActiveMQ to allow alternative implementations > of Queue without breaking existing code. I've submitted the patch > (https://issues.apache.org/activemq/browse/AMQ-877) to achieve this. Patch > got out of sync since submitted. I'm planning to get new version of it out > today. > > Next step will be submitting Queue implementation that uses alternative > Storage API and provide such storage implementation. I think it will take > a while before such implementation is production ready. > > -----Original Message----- > From: pradeep [mailto:[EMAIL PROTECTED] > Sent: Tuesday, August 29, 2006 10:15 PM > To: [email protected] > Subject: RE: Paging support > > > That would be nice. When would that be implemented ? > Thanks. > pradeep > > Fateev, Maxim wrote: >> >> AFAIK messages are moved from journal to permantent storage (JDBC) on >> every checkpoint. The problem is that references for every message are >> still kept in memory. >> IMHO it is inherent limitation of MessageStore API as it is defined now. >> The only way to get message is by id. And the only way to have id is >> to keep it in memory. >> I'm looking into changing MessageStore API to one that instead of >> >> Message getMessage(MessageId identity) >> >> Would provide >> >> Message getNextMessage() >> >> method eliminating need to keep references in memory. >> >> >> >> -----Original Message----- >> From: Anders Bengtsson [mailto:[EMAIL PROTECTED] >> Sent: Tuesday, August 29, 2006 1:23 AM >> To: [email protected] >> Subject: Re: Paging support >> >> >> >> gnodet wrote: >>> >>> If you don' t use any persistent store, messages must be kept in >>> memory, so you are obvisouly limited by the available mem. >>> >> >> Yes, this is what I would expect. >> >> >> >>> If you use a jdbc store, messages can be removed from memory and >>> store for later consumption. >>> >> >> Yes, except it doesn't actually work! >> >> It writes things to the store, but it is still very much limited by >> memory for some reason. (Someone reported this as AMQ-845 earlier, but >> with no response). >> >> -- >> View this message in context: >> http://www.nabble.com/Paging-support-tf2163517.html#a6034790 >> Sent from the ActiveMQ - User forum at Nabble.com. >> >> > > -- > View this message in context: > http://www.nabble.com/Paging-support-tf2163517.html#a6052563 > Sent from the ActiveMQ - User forum at Nabble.com. > > -- View this message in context: http://www.nabble.com/Paging-support-tf2163517.html#a6079244 Sent from the ActiveMQ - User forum at Nabble.com.
