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Doc update and clerk<->penciller changes

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Reviewing code to update comments revealed a weakness in the sequence of
events between penciller and clerk committing a manifest change wherby
an ill-timed crash could lead to files being deleted without the
manifest changing.

A different, and safer pattern now used between theses two actors.
This commit is contained in:
martinsumner 2016-10-09 22:33:45 +01:00
parent 4a8a2c1555
commit d2cc07a9eb
4 changed files with 119 additions and 66 deletions
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2
src/leveled_inker.erl
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@ -59,7 +59,7 @@
%%
%% Compaction is a process whereby an Inker's clerk will:
%% - Request a view of the current Inker manifest and a snaphot of the Ledger
%% - Test all files within the Journal to find th eapproximate comapction
%% - Test all files within the Journal to find the approximate comapction
%% potential percentage (the volume of the Journal that has been replaced)
%% - Attempts to find the optimal "run" of files to compact
%% - Compacts those files in the run, by rolling over the files re-writing