103 commits

Author	SHA1	Message	Date
martinsumner	c64d67d9fb	Snapshot Work - Interim Commit ... Some initial work to get snapshots going. Changes required, as need to snapshot through the Bookie to ensure that there is no race between extracting the Bookie's in-memory view and the Penciller's view if a push_to_mem has occurred inbetween. A lot still outstanding, especially around Inker snapshots, and handling timeouts	2016-09-23 18:50:29 +01:00
martinsumner	d3e985ed80	Refactor Penciller Push ... Two aspects of pushing to the penciller have been refactored: 1 - Allow the penciller to respond before the ETS table has been updated to unlock the Bookie sooner. 2 - Change the way the copy of the memtable is stored to work more effectively with snapshots wihtout locking the Penciller any further on a snapshot or push request	2016-09-21 18:31:42 +01:00
martinsumner	aa7d235c4d	Rename clerk and CDB Speed-Up ... CDB did many "bitty" reads/writes when scanning or writing hash tables - change these to bult reads and writes to speed up. CDB also added capabilities to fetch positions and get keys by position to help with iclerk role.	2016-09-20 16:13:36 +01:00