Expose configuration of Compactio Percentage targets
I think these should be set differently, so make them configurable.
This commit is contained in:
Martin Sumner
parent
92bd2513c1
commit
66a75923e8
5 changed files with 105 additions and 38 deletions
|
|
@ -95,14 +95,12 @@
|
|||
-define(SAMPLE_SIZE, 100).
|
||||
-define(BATCH_SIZE, 32).
|
||||
-define(BATCHES_TO_CHECK, 8).
|
||||
%% How many consecutive files to compact in one run
|
||||
-define(MAX_COMPACTION_RUN, 8).
|
||||
%% Sliding scale to allow preference of longer runs up to maximum
|
||||
-define(SINGLEFILE_COMPACTION_TARGET, 40.0).
|
||||
-define(MAXRUN_COMPACTION_TARGET, 70.0).
|
||||
-define(CRC_SIZE, 4).
|
||||
-define(DEFAULT_RELOAD_STRATEGY, leveled_codec:inker_reload_strategy([])).
|
||||
-define(INTERVALS_PER_HOUR, 4).
|
||||
-define(MAX_COMPACTION_RUN, 8).
|
||||
-define(SINGLEFILE_COMPACTION_TARGET, 50.0).
|
||||
-define(MAXRUNLENGTH_COMPACTION_TARGET, 75.0).
|
||||
|
||||
-record(state, {inker :: pid() | undefined,
|
||||
max_run_length :: integer() | undefined,
|
||||
|
|
@ -110,6 +108,8 @@
|
|||
waste_retention_period :: integer() | undefined,
|
||||
waste_path :: string() | undefined,
|
||||
reload_strategy = ?DEFAULT_RELOAD_STRATEGY :: list(),
|
||||
singlefile_compactionperc = ?SINGLEFILE_COMPACTION_TARGET :: float(),
|
||||
maxrunlength_compactionperc = ?MAXRUNLENGTH_COMPACTION_TARGET ::float(),
|
||||
compression_method = native :: lz4|native}).
|
||||
|
||||
-record(candidate, {low_sqn :: integer() | undefined,
|
||||
|
|
@ -183,13 +183,30 @@ init([IClerkOpts]) ->
|
|||
MRL0 ->
|
||||
MRL0
|
||||
end,
|
||||
|
||||
|
||||
SFL_CompPerc =
|
||||
case IClerkOpts#iclerk_options.singlefile_compactionperc of
|
||||
undefined ->
|
||||
?SINGLEFILE_COMPACTION_TARGET;
|
||||
SFLCP when is_float(SFLCP) ->
|
||||
SFLCP
|
||||
end,
|
||||
MRL_CompPerc =
|
||||
case IClerkOpts#iclerk_options.maxrunlength_compactionperc of
|
||||
undefined ->
|
||||
?MAXRUNLENGTH_COMPACTION_TARGET;
|
||||
MRLCP when is_float(MRLCP) ->
|
||||
MRLCP
|
||||
end,
|
||||
|
||||
{ok, #state{max_run_length = MRL,
|
||||
inker = IClerkOpts#iclerk_options.inker,
|
||||
cdb_options = CDBopts,
|
||||
reload_strategy = ReloadStrategy,
|
||||
waste_path = WP,
|
||||
waste_retention_period = WRP,
|
||||
singlefile_compactionperc = SFL_CompPerc,
|
||||
maxrunlength_compactionperc = MRL_CompPerc,
|
||||
compression_method =
|
||||
IClerkOpts#iclerk_options.compression_method}}.
|
||||
|
||||
|
|
@ -208,11 +225,15 @@ handle_cast({compact, Checker, InitiateFun, CloseFun, FilterFun, Inker, _TO},
|
|||
CDBopts = State#state.cdb_options,
|
||||
|
||||
Candidates = scan_all_files(Manifest, FilterFun, FilterServer, MaxSQN),
|
||||
BestRun0 = assess_candidates(Candidates, MaxRunLength),
|
||||
case score_run(BestRun0, MaxRunLength) of
|
||||
ScoreParams =
|
||||
{MaxRunLength,
|
||||
State#state.maxrunlength_compactionperc,
|
||||
State#state.singlefile_compactionperc},
|
||||
BestRun0 = assess_candidates(Candidates, ScoreParams),
|
||||
case score_run(BestRun0, ScoreParams) of
|
||||
Score when Score > 0.0 ->
|
||||
BestRun1 = sort_run(BestRun0),
|
||||
print_compaction_run(BestRun1, MaxRunLength),
|
||||
print_compaction_run(BestRun1, ScoreParams),
|
||||
ManifestSlice = compact_files(BestRun1,
|
||||
CDBopts,
|
||||
FilterFun,
|
||||
|
|
@ -436,13 +457,6 @@ fetch_inbatches(PositionList, BatchSize, CDB, CheckedList) ->
|
|||
fetch_inbatches(Tail, BatchSize, CDB, CheckedList ++ KL_List).
|
||||
|
||||
|
||||
assess_candidates(AllCandidates, MaxRunLength) when is_integer(MaxRunLength) ->
|
||||
% This will take the defaults for other params.
|
||||
% Unit tests should pass tuple as params including tested defaults
|
||||
assess_candidates(AllCandidates,
|
||||
{MaxRunLength,
|
||||
?MAXRUN_COMPACTION_TARGET,
|
||||
?SINGLEFILE_COMPACTION_TARGET});
|
||||
assess_candidates(AllCandidates, Params) ->
|
||||
NaiveBestRun = assess_candidates(AllCandidates, Params, [], []),
|
||||
MaxRunLength = element(1, Params),
|
||||
|
|
@ -492,11 +506,7 @@ choose_best_assessment(RunToAssess, BestRun, Params) ->
|
|||
end
|
||||
end.
|
||||
|
||||
score_run(Run, MaxRunLength) when is_integer(MaxRunLength) ->
|
||||
Params = {MaxRunLength,
|
||||
?MAXRUN_COMPACTION_TARGET,
|
||||
?SINGLEFILE_COMPACTION_TARGET},
|
||||
score_run(Run, Params);
|
||||
|
||||
score_run([], _Params) ->
|
||||
0.0;
|
||||
score_run(Run, {MaxRunLength, MR_CT, SF_CT}) ->
|
||||
|
|
@ -515,9 +525,9 @@ score_run(Run, {MaxRunLength, MR_CT, SF_CT}) ->
|
|||
Target - RunTotal / length(Run).
|
||||
|
||||
|
||||
print_compaction_run(BestRun, MaxRunLength) ->
|
||||
print_compaction_run(BestRun, ScoreParams) ->
|
||||
leveled_log:log("IC005", [length(BestRun),
|
||||
score_run(BestRun, MaxRunLength)]),
|
||||
score_run(BestRun, ScoreParams)]),
|
||||
lists:foreach(fun(File) ->
|
||||
leveled_log:log("IC006", [File#candidate.filename])
|
||||
end,
|
||||
|
|
@ -716,19 +726,19 @@ simple_score_test() ->
|
|||
#candidate{compaction_perc = 75.0},
|
||||
#candidate{compaction_perc = 76.0},
|
||||
#candidate{compaction_perc = 70.0}],
|
||||
?assertMatch(-4.0, score_run(Run1, 4)),
|
||||
?assertMatch(-4.0, score_run(Run1, {4, 70.0, 40.0})),
|
||||
Run2 = [#candidate{compaction_perc = 75.0}],
|
||||
?assertMatch(-35.0, score_run(Run2, 4)),
|
||||
?assertMatch(0.0, score_run([], 4)),
|
||||
?assertMatch(-35.0, score_run(Run2, {4, 70.0, 40.0})),
|
||||
?assertMatch(0.0, score_run([], {4, 40.0, 70.0})),
|
||||
Run3 = [#candidate{compaction_perc = 100.0}],
|
||||
?assertMatch(-60.0, score_run(Run3, 4)).
|
||||
?assertMatch(-60.0, score_run(Run3, {4, 70.0, 40.0})).
|
||||
|
||||
score_compare_test() ->
|
||||
Run1 = [#candidate{compaction_perc = 55.0},
|
||||
#candidate{compaction_perc = 55.0},
|
||||
#candidate{compaction_perc = 56.0},
|
||||
#candidate{compaction_perc = 50.0}],
|
||||
?assertMatch(16.0, score_run(Run1, 4)),
|
||||
?assertMatch(16.0, score_run(Run1, {4, 70.0, 40.0})),
|
||||
Run2 = [#candidate{compaction_perc = 55.0}],
|
||||
?assertMatch(Run1,
|
||||
choose_best_assessment(Run1,
|
||||
|
|
@ -758,7 +768,7 @@ find_bestrun_test() ->
|
|||
%% Tests dependent on these defaults
|
||||
%% -define(MAX_COMPACTION_RUN, 4).
|
||||
%% -define(SINGLEFILE_COMPACTION_TARGET, 40.0).
|
||||
%% -define(MAXRUN_COMPACTION_TARGET, 60.0).
|
||||
%% -define(MAXRUNLENGTH_COMPACTION_TARGET, 60.0).
|
||||
%% Tested first with blocks significant as no back-tracking
|
||||
Params = {4, 60.0, 40.0},
|
||||
Block1 = [#candidate{compaction_perc = 55.0},
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue