Thanks to Claudio and Matthew, I went with the WorkerContext solution. Note that I wrote a MasterCompute.validate() to verify the correct WorkerContext class was set. Otherwise I was worried my cast would fail. -- matt
On Wed, Sep 17, 2014 at 11:49 AM, Claudio Martella < [email protected]> wrote: > I would use a workercontext, it is shared and persistent during > computation by all vertices in a worker. If it's readonly, you won't have > to manage concurrency. > > On Tue, Sep 16, 2014 at 9:42 PM, Matthew Cornell <[email protected]> > wrote: > >> Hi Folks. I have a custom argument that's passed into my Giraph job that >> needs parsing. The parsed value is accessed by my Vertex#compute. To avoid >> excessive GC I'd like to cache the parsing results. What's a good way to do >> so? I looked at using the ImmutableClassesGiraphConfiguration returned by >> getConf(), but it supports only String properties. I looked at using my >> custom MasterCompute to manage it, but I couldn't find how to access the >> master compute instance from the vertex. My last idea is to use (abuse?) an >> aggregator to do this. I'd appreciate your thoughts! -- matt >> >> -- >> Matthew Cornell | [email protected] | 413-626-3621 | 34 Dickinson >> Street, Amherst MA 01002 | matthewcornell.org >> > > > > -- > Claudio Martella > > -- Matthew Cornell | [email protected] | 413-626-3621 | 34 Dickinson Street, Amherst MA 01002 | matthewcornell.org
