Thanks, Ryan. Was your problem solved in spark 0.9?
On Wed, Mar 12, 2014 at 9:59 PM, Ryan Compton <compton.r...@gmail.com>wrote: > In 0.8 I had problems broadcasting variables around that size, for > more info see here: > > https://mail-archives.apache.org/mod_mbox/incubator-spark-user/201310.mbox/%3ccamgysq9sivs0j9dhv9qgdzp9qxgfadqkrd58b3ynbnhdgkp...@mail.gmail.com%3E > > On Wed, Mar 12, 2014 at 2:12 PM, Matei Zaharia <matei.zaha...@gmail.com> > wrote: > > You should try Torrent for this one, it will be faster. It's still > > experimental but I believe it works pretty well and it just needs more > > testing to become the default. > > > > Matei > > > > On Mar 12, 2014, at 1:12 PM, Aureliano Buendia <buendia...@gmail.com> > wrote: > > > > Is TorrentBroadcastFactory out of beta? IS it preferred over > > HttpBroadcastFactory for large broadcasts? > > > > What are the benefits of HttpBroadcastFactory as the default factory? > > > > > > On Wed, Mar 12, 2014 at 7:09 PM, Stephen Boesch <java...@gmail.com> > wrote: > >> > >> Hi Josh, > >> So then 2^31 (2.2Bilion) * 2^6 (length of double) = 128GB would > be > >> max array byte length with Doubles? > >> > >> > >> 2014-03-12 11:30 GMT-07:00 Josh Marcus <jmar...@meetup.com>: > >> > >>> Aureliano, > >>> > >>> Just to answer your second question (unrelated to Spark), arrays in > java > >>> and scala can't be larger than the maximum value of an Integer > >>> (Integer.MAX_VALUE), which means that arrays are limited to about 2.2 > >>> billion elements. > >>> > >>> --j > >>> > >>> > >>> > >>> On Wed, Mar 12, 2014 at 1:08 PM, Aureliano Buendia < > buendia...@gmail.com> > >>> wrote: > >>>> > >>>> Hi, > >>>> > >>>> I asked a similar question a while ago, didn't get any answers. > >>>> > >>>> I'd like to share a 10 gb double array between 50 to 100 workers. The > >>>> physical memory of workers is over 40 gb, so it can fit in each > memory. The > >>>> reason I'm sharing this array is that a cartesian operation is > applied to > >>>> this array, and I want to avoid network shuffling. > >>>> > >>>> 1. Is Spark broadcast built for pushing variables of gb size? Does it > >>>> need special configurations (eg akka config, etc) to work under this > >>>> condition? > >>>> > >>>> 2. (Not directly related to spark) Is the an upper limit for > scala/java > >>>> arrays other than the physical memory? Do they stop working when the > array > >>>> elements count exceeds a certain number? > >>> > >>> > >> > > > > >
