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Add cache size jitter

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First pan-riak volume requests showed coordination issues
This commit is contained in:
martinsumner 2016-12-08 16:38:44 +00:00
parent 441fff13e5
commit e2af60f72b
1 changed files with 4 additions and 2 deletions
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6
src/leveled_bookie.erl
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@ -140,11 +140,12 @@
-include_lib("eunit/include/eunit.hrl").
-define(CACHE_SIZE, 2000).
-define(CACHE_SIZE, 1800).
-define(JOURNAL_FP, "journal").
-define(LEDGER_FP, "ledger").
-define(SNAPSHOT_TIMEOUT, 300000).
-define(CHECKJOURNAL_PROB, 0.2).
-define(CACHE_SIZE_JITTER, 360).
-record(state, {inker :: pid(),
penciller :: pid(),
@ -229,7 +230,8 @@ init([Opts]) ->
% Start from file not snapshot
{InkerOpts, PencillerOpts} = set_options(Opts),
{Inker, Penciller} = startup(InkerOpts, PencillerOpts),
CacheSize = get_opt(cache_size, Opts, ?CACHE_SIZE),
CacheSize = get_opt(cache_size, Opts, ?CACHE_SIZE)
+ random:uniform(?CACHE_SIZE_JITTER),
leveled_log:log("B0001", [Inker, Penciller]),
{ok, #state{inker=Inker,
penciller=Penciller,