| Description |
The zc.async package provides an easy-to-use Python tool that schedules work persistently
and reliably across multiple processes and machines.
For instance...
- Web apps: maybe your web application lets users request the creation of a large PDF,
or some other expensive task.
Postponed work: maybe you have a job that needs to be done at a certain time, not
right now.
Parallel processing: maybe you have a long-running problem that can be made to complete
faster by splitting it up into discrete parts, each performed in parallel, across
multiple machines.
* Serial processing: maybe you want to decompose and serialize a job.
High-level features include the following:
- easy to use;
flexible configuration, changeable dynamically in production;
reliable;
supports high availability;
good debugging tools;
well-tested; and
friendly to testing.
While developed as part of the Zope project, zc.async can be used stand-alone.
How does it work?
The system uses the Zope Object Database (ZODB), a transactional, pickle-based Python object
database, for communication and coordination among participating processes.
zc.async participants can each run in their own process, or share a process (run in threads)
with other code.
The Twisted framework supplies some code (failures and reactor implementations, primarily)
and some concepts to the package.
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