liusheng dd06bf9277 Fix and improve the partition coordinator
* Fix the partition coordinator to distribute tasks properly.

* Improve the partition coordination mechanism in retry logic, exception
  handling, and log messages, etc. Refer to the Ceilometer's changes:

- Icf60381e30f3baf986cf9e008e133287765d9827
- I6a48cf38b24a00a0db94d3dea0c6746b52526026
- Ic0b6b62dace88e4e1ce7932024350bb211efb9ef
- I8100160a3aa83a190c4110e6e8be9b26aef8fd1c
- I2aed2241ded798464089b3eec5e1394422a45844

Closes-Bug: #1575530
Change-Id: I5729ae3080898e8a6d92889f8c520174dc371113
2016-05-03 19:45:45 +08:00
..
2016-04-25 11:26:24 +08:00
2016-04-21 07:24:04 +00:00
2015-11-10 09:09:43 +01:00
2015-06-25 14:46:39 +02:00