spark-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Reynold Xin <r...@databricks.com>
Subject Re: broadcast hang out
Date Tue, 17 Mar 2015 02:45:52 GMT
It would be great to add a timeout. Do you mind submitting a pull request?


On Sun, Mar 15, 2015 at 10:41 PM, lonely Feb <lonely8658@gmail.com> wrote:

> Anyone can help? Thanks a lot !
>
> 2015-03-16 11:45 GMT+08:00 lonely Feb <lonely8658@gmail.com>:
>
> > yes
> >
> > 2015-03-16 11:43 GMT+08:00 Mridul Muralidharan <mridul@gmail.com>:
> >
> >> Cross region as in different data centers ?
> >>
> >> - Mridul
> >>
> >> On Sun, Mar 15, 2015 at 8:08 PM, lonely Feb <lonely8658@gmail.com>
> wrote:
> >> > Hi all, i meet up with a problem that torrent broadcast hang out in my
> >> > spark cluster (1.2, standalone) , particularly serious when driver and
> >> > executors are cross-region. when i read the code of broadcast i found
> >> that
> >> > a sync block read here:
> >> >
> >> >   def fetchBlockSync(host: String, port: Int, execId: String, blockId:
> >> > String): ManagedBuffer = {
> >> >     // A monitor for the thread to wait on.
> >> >     val result = Promise[ManagedBuffer]()
> >> >     fetchBlocks(host, port, execId, Array(blockId),
> >> >       new BlockFetchingListener {
> >> >         override def onBlockFetchFailure(blockId: String, exception:
> >> > Throwable): Unit = {
> >> >           result.failure(exception)
> >> >         }
> >> >         override def onBlockFetchSuccess(blockId: String, data:
> >> > ManagedBuffer): Unit = {
> >> >           val ret = ByteBuffer.allocate(data.size.toInt)
> >> >           ret.put(data.nioByteBuffer())
> >> >           ret.flip()
> >> >           result.success(new NioManagedBuffer(ret))
> >> >         }
> >> >       })
> >> >
> >> >     Await.result(result.future, Duration.Inf)
> >> >   }
> >> >
> >> > it seems that fetchBlockSync method does not have a timeout limit but
> >> wait
> >> > forever ? Anybody can show me how to control the timeout here?
> >>
> >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message