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%% ---------------------------------------------------------------------------- | ||
%% | ||
%% hanoidb: LSM-trees (Log-Structured Merge Trees) Indexed Storage | ||
%% | ||
%% Copyright 2011-2012 (c) Trifork A/S. All Rights Reserved. | ||
%% http://trifork.com/ info@trifork.com | ||
%% | ||
%% Copyright 2012 (c) Basho Technologies, Inc. All Rights Reserved. | ||
%% http://basho.com/ info@basho.com | ||
%% | ||
%% This file is provided to you under the Apache License, Version 2.0 (the | ||
%% "License"); you may not use this file except in compliance with the License. | ||
%% You may obtain a copy of the License at | ||
%% | ||
%% http://www.apache.org/licenses/LICENSE-2.0 | ||
%% | ||
%% Unless required by applicable law or agreed to in writing, software | ||
%% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
%% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
%% License for the specific language governing permissions and limitations | ||
%% under the License. | ||
%% | ||
%% ---------------------------------------------------------------------------- | ||
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-module(basho_bench_driver_hanoidb). | ||
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-record(state, { tree, | ||
filename, | ||
flags, | ||
sync_interval, | ||
last_sync }). | ||
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-export([new/1, | ||
run/4]). | ||
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-include("hanoidb.hrl"). | ||
-include_lib("basho_bench/include/basho_bench.hrl"). | ||
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-record(key_range, { from_key = <<>> :: binary(), | ||
from_inclusive = true :: boolean(), | ||
to_key :: binary() | undefined, | ||
to_inclusive = false :: boolean(), | ||
limit :: pos_integer() | undefined }). | ||
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%% ==================================================================== | ||
%% API | ||
%% ==================================================================== | ||
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new(_Id) -> | ||
%% Make sure bitcask is available | ||
case code:which(hanoidb) of | ||
non_existing -> | ||
?FAIL_MSG("~s requires hanoidb to be available on code path.\n", | ||
[?MODULE]); | ||
_ -> | ||
ok | ||
end, | ||
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%% Get the target directory | ||
Dir = basho_bench_config:get(hanoidb_dir, "."), | ||
Filename = filename:join(Dir, "test.hanoidb"), | ||
Config = basho_bench_config:get(hanoidb_flags, []), | ||
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%% Look for sync interval config | ||
case basho_bench_config:get(hanoidb_sync_interval, infinity) of | ||
Value when is_integer(Value) -> | ||
SyncInterval = Value; | ||
infinity -> | ||
SyncInterval = infinity | ||
end, | ||
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%% Get any bitcask flags | ||
case hanoidb:open(Filename, Config) of | ||
{error, Reason} -> | ||
?FAIL_MSG("Failed to open hanoidb in ~s: ~p\n", [Filename, Reason]); | ||
{ok, FBTree} -> | ||
{ok, #state { tree = FBTree, | ||
filename = Filename, | ||
sync_interval = SyncInterval, | ||
last_sync = os:timestamp() }} | ||
end. | ||
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run(get, KeyGen, _ValueGen, State) -> | ||
case hanoidb:lookup(State#state.tree, KeyGen()) of | ||
{ok, _Value} -> | ||
{ok, State}; | ||
not_found -> | ||
{ok, State}; | ||
{error, Reason} -> | ||
{error, Reason} | ||
end; | ||
run(put, KeyGen, ValueGen, State) -> | ||
case hanoidb:put(State#state.tree, KeyGen(), ValueGen()) of | ||
ok -> | ||
{ok, State}; | ||
{error, Reason} -> | ||
{error, Reason} | ||
end; | ||
run(delete, KeyGen, _ValueGen, State) -> | ||
case hanoidb:delete(State#state.tree, KeyGen()) of | ||
ok -> | ||
{ok, State}; | ||
{error, Reason} -> | ||
{error, Reason} | ||
end; | ||
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run(fold_100, KeyGen, _ValueGen, State) -> | ||
[From,To] = lists:usort([KeyGen(), KeyGen()]), | ||
case hanoidb:sync_fold_range(State#state.tree, | ||
fun(_Key,_Value,Count) -> | ||
Count+1 | ||
end, | ||
0, | ||
#key_range{ from_key=From, | ||
to_key=To, | ||
limit=100 }) of | ||
Count when Count >= 0; Count =< 100 -> | ||
{ok,State}; | ||
Count -> | ||
{error, {bad_fold_count, Count}} | ||
end. |
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