Merge pull request #118 from martinsumner/mas-i117-factor4scale
Mas i117 factor4scale
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Martin Sumner
GitHub
commit
4d3151752f
3 changed files with 39 additions and 12 deletions
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@ -125,10 +125,12 @@
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{"P0032",
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{info, "Fetch head timing with sample_count=~w and level timings of"
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++ " foundmem_time=~w found0_time=~w found1_time=~w"
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++ " found2_time=~w foundlower_time=~w missed_time=~w"
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++ " found2_time=~w found3_time=~w foundlower_time=~w"
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++ " missed_time=~w"
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++ " with counts of"
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++ " foundmem_count=~w found0_count=~w found1_count=~w"
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++ " found2_count=~w foundlower_count=~w missed_count=~w"}},
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++ " found2_count=~w found3_count=~w foundlower_count=~w"
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++ " missed_count=~w"}},
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{"P0033",
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{error, "Corrupted manifest file at path ~s to be ignored "
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++ "due to error ~w"}},
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@ -200,9 +200,22 @@
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-include_lib("eunit/include/eunit.hrl").
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-define(LEVEL_SCALEFACTOR, [{0, 0}, {1, 8}, {2, 64}, {3, 512},
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{4, 4096}, {5, 32768}, {6, 262144},
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{7, infinity}]).
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-define(LEVEL_SCALEFACTOR,
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[{0, 0},
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{1, 4}, {2, 16}, {3, 64}, % Factor of 4
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{4, 384}, {5, 2304}, % Factor of 6
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{6, 18432}, % Factor of 8
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{7, infinity}]).
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% As an alternative to going up by a factor of 8 at each level,
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% increase by a factor of 4 at young levels - to make early
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% compaction jobs shorter.
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%
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% There are 32K keys per files => with 4096 files there are 100M
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% keys supported,
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% 600M keys is supported before hitting the infinite level.
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% At o(10) trillion keys behaviour may become increasingly
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% difficult to predict.
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-define(MAX_LEVELS, 8).
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-define(MAX_WORK_WAIT, 300).
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-define(MANIFEST_FP, "ledger_manifest").
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@ -259,12 +272,14 @@
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found0_time = 0 :: integer(),
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found1_time = 0 :: integer(),
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found2_time = 0 :: integer(),
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found3_time = 0 :: integer(),
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foundlower_time = 0 :: integer(),
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missed_time = 0 :: integer(),
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foundmem_count = 0 :: integer(),
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found0_count = 0 :: integer(),
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found1_count = 0 :: integer(),
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found2_count = 0 :: integer(),
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found3_count = 0 :: integer(),
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foundlower_count = 0 :: integer(),
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missed_count = 0 :: integer()}).
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@ -1500,12 +1515,14 @@ log_timings(Timings) ->
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Timings#pcl_timings.found0_time,
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Timings#pcl_timings.found1_time,
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Timings#pcl_timings.found2_time,
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Timings#pcl_timings.found3_time,
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Timings#pcl_timings.foundlower_time,
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Timings#pcl_timings.missed_time,
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Timings#pcl_timings.foundmem_count,
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Timings#pcl_timings.found0_count,
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Timings#pcl_timings.found1_count,
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Timings#pcl_timings.found2_count,
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Timings#pcl_timings.found3_count,
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Timings#pcl_timings.foundlower_count,
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Timings#pcl_timings.missed_count]).
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@ -1543,6 +1560,10 @@ update_timings(SW, Timings, Result, Stage) ->
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L2T = Timings#pcl_timings.found2_time + Timer,
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L2C = Timings#pcl_timings.found2_count + 1,
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Timings0#pcl_timings{found2_time = L2T, found2_count = L2C};
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{_, 3} ->
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L3T = Timings#pcl_timings.found3_time + Timer,
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L3C = Timings#pcl_timings.found3_count + 1,
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Timings0#pcl_timings{found3_time = L3T, found3_count = L3C};
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_ ->
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LLT = Timings#pcl_timings.foundlower_time + Timer,
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LLC = Timings#pcl_timings.foundlower_count + 1,
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@ -1956,7 +1977,7 @@ foldwithimm_simple_test() ->
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create_file_test() ->
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{RP, Filename} = {"../test/", "new_file.sst"},
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ok = file:write_file(filename:join(RP, Filename), term_to_binary("hello")),
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KVL = lists:usort(generate_randomkeys({10000, 0})),
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KVL = lists:usort(generate_randomkeys({50000, 0})),
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Tree = leveled_tree:from_orderedlist(KVL, ?CACHE_TYPE),
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FetchFun = fun(Slot) -> lists:nth(Slot, [Tree]) end,
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{ok,
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@ -1966,7 +1987,7 @@ create_file_test() ->
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1,
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FetchFun,
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undefined,
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10000,
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50000,
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native),
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lists:foreach(fun(X) ->
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case checkready(SP) of
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@ -2007,7 +2028,8 @@ timings_test() ->
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?assertMatch(3, T2#pcl_timings.sample_count),
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?assertMatch(true, T2#pcl_timings.foundlower_time > T2#pcl_timings.found2_time),
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?assertMatch(1, T2#pcl_timings.found2_count),
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?assertMatch(2, T2#pcl_timings.foundlower_count).
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?assertMatch(1, T2#pcl_timings.found3_count),
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?assertMatch(1, T2#pcl_timings.foundlower_count).
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coverage_cheat_test() ->
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@ -1518,9 +1518,12 @@ crc_check_slot(FullBin) ->
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<<CRC32PBL:32/integer,
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PosBL:32/integer,
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CRC32H:32/integer,
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Header:PosBL/binary,
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Blocks/binary>> = FullBin,
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case {hmac(Header), hmac(PosBL)} of
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Rest/binary>> = FullBin,
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PosBL0 = min(PosBL, byte_size(FullBin) - 3),
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% If the position has been bit-flipped to beyond the maximum paossible
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% length, use the maximum possible length
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<<Header:PosBL0/binary, Blocks/binary>> = Rest,
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case {hmac(Header), hmac(PosBL0)} of
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{CRC32H, CRC32PBL} ->
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{Header, Blocks};
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_ ->
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