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iClerk refactor

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the skip/retain/recalc handlign was confusing.  This removes the switcheroo between leveled_codec and leveled_iclerk when mkaing the decision.

Also now the building of the accumulator is handled efficiently (not using ++ on the list).

Tried to rmeove as much of ?HEAD tag handling from leveled_head - as we want leveled_head to be only concerned with the head manipulation for object tags (?STD, ?RIAK and user-defined).
This commit is contained in:
Martin Sumner 2018-12-06 22:45:05 +00:00
parent 8e687ee7c8
commit e0352414f2
4 changed files with 116 additions and 133 deletions
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6
src/leveled_bookie.erl
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@ -1033,10 +1033,8 @@ book_destroy(Pid) ->
%% The function will be 1-arity, and can be passed the absolute folder name
%% to store the backup.
%%
%% Backup files are hard-linked. Does not work in head_only mode
%%
%% TODO: Can extend to head_only mode, and also support another parameter
%% which would backup persisted part of ledger (to make restart faster)
%% Backup files are hard-linked. Does not work in head_only mode, or if
%% index changes are used with a `skip` compaction/reload strategy
book_hotbackup(Pid) ->
gen_server:call(Pid, hot_backup, infinity).