How about writing to the proxy server from inside an iterator? The information still stays within the server, but without the concern for resource leakage? Probably not high-performance with the repeated serialization and de-serialization.
On Sat, Apr 26, 2014 at 9:04 PM, Josh Elser <[email protected]> wrote: > I've been thinking about this some more -- resource management in the > tabletservers is definitely a concern, even if deadlock isn't (I still > haven't convinced myself one way or another). > > Difficulty will definitely arise in trying to make sure you don't leak > BatchWriters (and the thread it spawns inside which sends mutationst o the > appropriate tserver). Not impossible, but definitely tricky :) > > > On 4/26/14, 2:38 PM, Donald Miner wrote: > >> I haven't actually implemented this, just what we've been thinking >> about. But yeah, the idea is that you write using BatchWriter in the >> check method of Constraint. >> >> >> On Sat, Apr 26, 2014 at 9:58 AM, BlackJack76 <[email protected] >> <mailto:[email protected]>> wrote: >> >> Donald, >> >> Thanks for the response. Sounds like we are exactly on the same page. >> >> Honestly, I wasn't familiar with Constraints until you mentioned >> them. I >> did some quick reading about them and still trying to understand how >> you are >> accomplishing this. This is a very interesting idea and I >> appreciate that >> you shared it. >> >> I am assuming you are writing back to the table from the check method >> in >> your Constraint. How are you writing back to the table? Through a >> BatchWriter? >> >> I also thought about creating some sort of external buffer but agree >> that it >> would be a lot of extra work and book keeping. >> >> >> >> -- >> View this message in context: >> http://apache-accumulo.1065345.n5.nabble.com/Write- >> to-table-from-Accumulo-iterator-tp9412p9424.html >> Sent from the Users mailing list archive at Nabble.com. >> >> >> >> >> -- >> * >> *Donald Miner >> >> Chief Technology Officer >> ClearEdge IT Solutions, LLC >> Cell: 443 799 7807 >> www.clearedgeit.com <http://www.clearedgeit.com> >> >
