fluent/fluentd — pull request #239 by tagomoris (2013-12-22 07:54:53+00:00)
Title: Add hook point to override how to check flush-or-not-yet

3rd party buffer plugins needs hook point how to check whether chunk should be flushed or not.
Chunks are flushed for many reasons, like
* how many data stored in it
* how many data stored in one second
* ... and many other types of buffers may exists