Tango Compute Grid
Robert Fraser
fraserofthenight at gmail.com
Wed Jun 27 14:45:02 PDT 2007
Not directly related, but is there a (lighter-weight, memory-only, not distributed) queuing mechanism in Tango that allows intra-process communication through an asynchronous thread pooling mechanism? That is, one thread can place events in a queue that are handled by another thread pool when it gets to them, like a lightweight SEDA implementation?
Lars Ivar Igesund Wrote:
> Dear D community
>
> Tango has an optional package for enabling high-performance clustered
> designs. The package supports distributed instances of cache, queue, and
> task (rmi/rpc). All activity on a cluster operates via a named 'channel',
> akin to a publish/subscribe channel i.e. once a channel is opened, cluster
> operations can be performed upon it. Channels are often named based upon
> the content flowing through them. For example, a common idiom is to use the
> name of a class, and retain that channel purely for appropriate serialized
> instances.
>
> Data held within a cache is temporal, and the content is spread out across
> the cluster using a DHT (distributed hash table) approach. Queue instances
> are distributed in a similar manner, and are persisted to disk. Execution
> of task/rpc is generally synchronous, though queues can be used to house
> asynchronous task execution where a decoupled design is more suitable.
> Either way, task execution is spread across the cluster in a manner akin to
> queuing.
>
> Throughput is far beyond any other similar approach known to us, and the
> consistent interface across each of queue/cache/task makes the design
> simple to use. We expect to make this functionality available in the next
> release of Tango.
>
> Contact:
> http://www.dsource.org/projects/tango/wiki/Contact
>
> Signed,
>
> The Tango Team
>
> http://www.dsource.org/projects/tango/wiki/Contributors
>
> ----
>
> Tango is a D library providing a cohesive runtime and library for the D
> programming language. A feature list can be found on
> http://www.dsource.org/projects/tango/wiki/Features
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