Did you look into:"StringPrefixPartitionResolver" which doesn't need custom
implementation.
https://geode.apache.org/docs/guide/111/developing/partitioned_regions/standard_custom_partitioning.html
You can try key like - "key | file1"
-Anil.
On Fri, Apr 10, 2020 at 4:02 PM Dan Smith <dsm...@pivotal.io> wrote:
> Hi Steve,
>
> Well, you can technically use more than just the key in your partition
> resolver. You can also use a callback argument, something like the below
> code. This would put all of your data into bucket 0. The issue is that all
> operations will have to pass the callback argument, so if you need to do a
> get you will also need to pass a callback argument to do a get from the
> correct bucket.
>
> int callbackArgument = 0;
> region.putAll(hashmap_with_your_data, callbackArgument)
>
> class MyPartitionResolver implements PartitionResolver {
> Object getRoutingObject(EntryOperation<K, V> opDetails) {
> return opDetails.getCallbackArgument().
> }
> }
>
>
> -Dan
>
> On Fri, Apr 10, 2020 at 3:52 PM steve mathew <steve.mathe...@gmail.com>
> wrote:
>
> > Thanks Dan for your quick response.
> >
> > Though, This may not be a recommended pattern, Here, I am targeting a
> > bucket specific putAll and want to exclude hashing as it turn out as an
> > overhead in my scenario.
> > Is this achievable...? How should I define a PartionResolver that works
> > generically and returns a respective bucket for specific file.
> > What will get impacted if I opt this route (Fix partitioning per file),
> can
> > think of horizontal scalability as buckets made fix .. thoughts?
> >
> >
> > -Steave M.
> >
> >
> > On Sat, Apr 11, 2020, 1:54 AM Dan Smith <dsm...@pivotal.io> wrote:
> >
> > > Hi Steve,
> > >
> > > The bucket that data goes into is generally determined by the key. So
> for
> > > example if your data in File-0 is all for customer X, you can include
> > > Customer X in your region key and implement a PartitionResolver that
> > > extracts the customer from your region key and returns it. Geode will
> > then
> > > group all of the data for Customer X into a single bucket.
> > >
> > > You generally shouldn't have to target a specific bucket number (eg
> > bucket
> > > 0). But technically you can just by returning an integer from your
> > > PartitionResolver. If you return the integer 0, your data will go into
> > > bucket 0. Usually it's just better to return your partition key (eg
> > > "Customer X") and let geode hash that to some bucket number.
> > >
> > > -Dan
> > >
> > > On Fri, Apr 10, 2020 at 11:04 AM steve mathew <
> steve.mathe...@gmail.com>
> > > wrote:
> > >
> > > > Hello Geode devs and users,
> > > >
> > > > I have a set of files populated with data, fairly distributed, I want
> > to
> > > > put each file's data in a specific bucket,
> > > > like PutAll File-0 data into Geode bucket B0
> > > > PutAll File-1 data into Geode bucket B1
> > > >
> > > > and so on...
> > > >
> > > > How can i achieve this using geode client...?
> > > >
> > > > Can i achieve this using PartitonResolver or some other means...?
> > > >
> > > > Thanks in advance
> > > >
> > > > -Steve M.
> > > >
> > >
> >
>
