Add Fold Object by KeyList support
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martinsumner
parent
8601e219d5
commit
898f86a08d
2 changed files with 109 additions and 3 deletions
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@ -373,6 +373,10 @@ handle_call({return_folder, FolderType}, _From, State) ->
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{hashtree_query, Tag, JournalCheck} ->
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{reply,
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hashtree_query(State, Tag, JournalCheck),
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State};
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{foldobjects_allkeys, Tag, FoldObjectsFun} ->
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{reply,
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foldobjects_allkeys(State, Tag, FoldObjectsFun),
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State}
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end;
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handle_call({compact_journal, Timeout}, _From, State) ->
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@ -495,6 +499,30 @@ hashtree_query(State, Tag, JournalCheck) ->
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end,
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{async, Folder}.
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foldobjects_allkeys(State, Tag, FoldObjectsFun) ->
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{ok,
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{LedgerSnapshot, LedgerCache},
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JournalSnapshot} = snapshot_store(State, store),
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Folder = fun() ->
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io:format("Length of increment in snapshot is ~w~n",
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[gb_trees:size(LedgerCache)]),
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ok = leveled_penciller:pcl_loadsnapshot(LedgerSnapshot,
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LedgerCache),
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StartKey = leveled_codec:to_ledgerkey(null, null, Tag),
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EndKey = leveled_codec:to_ledgerkey(null, null, Tag),
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AccFun = accumulate_objects(FoldObjectsFun, JournalSnapshot),
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Acc = leveled_penciller:pcl_fetchkeys(LedgerSnapshot,
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StartKey,
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EndKey,
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AccFun,
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[]),
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ok = leveled_penciller:pcl_close(LedgerSnapshot),
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ok = leveled_inker:ink_close(JournalSnapshot),
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Acc
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end,
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{async, Folder}.
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allkey_query(State, Tag) ->
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{ok,
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{LedgerSnapshot, LedgerCache},
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@ -640,6 +668,26 @@ accumulate_hashes(JournalCheck, InkerClone) ->
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end,
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AccFun.
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accumulate_objects(FoldObjectsFun, InkerClone) ->
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Now = leveled_codec:integer_now(),
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AccFun = fun(LK, V, Acc) ->
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case leveled_codec:is_active(LK, V, Now) of
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true ->
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SQN = leveled_codec:strip_to_seqonly({LK, V}),
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{B, K} = leveled_codec:from_ledgerkey(LK),
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R = leveled_inker:ink_fetch(InkerClone, LK, SQN),
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case R of
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{ok, Value} ->
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FoldObjectsFun(B, K, Value, Acc);
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not_present ->
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Acc
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end;
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false ->
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Acc
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end
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end,
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AccFun.
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check_presence(Key, Value, InkerClone) ->
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{LedgerKey, SQN} = leveled_codec:strip_to_keyseqonly({Key, Value}),
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case leveled_inker:ink_keycheck(InkerClone, LedgerKey, SQN) of
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@ -1071,4 +1119,36 @@ hashtree_query_withjournalcheck_test() ->
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ok = book_close(Bookie1),
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reset_filestructure().
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foldobjects_vs_hashtree_test() ->
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RootPath = reset_filestructure(),
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{ok, Bookie1} = book_start([{root_path, RootPath},
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{max_journalsize, 1000000},
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{cache_size, 500}]),
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ObjL1 = generate_multiple_objects(800, 1),
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% Put in all the objects with a TTL in the future
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Future = leveled_codec:integer_now() + 300,
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lists:foreach(fun({K, V, S}) -> ok = book_tempput(Bookie1,
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"Bucket", K, V, S,
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?STD_TAG,
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Future) end,
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ObjL1),
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{async, HTFolder1} = book_returnfolder(Bookie1,
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{hashtree_query,
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?STD_TAG,
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false}),
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KeyHashList1 = lists:usort(HTFolder1()),
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io:format("First item ~w~n", [lists:nth(1, KeyHashList1)]),
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FoldObjectsFun = fun(B, K, V, Acc) ->
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[{B, K, erlang:phash2(term_to_binary(V))}|Acc] end,
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{async, HTFolder2} = book_returnfolder(Bookie1,
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{foldobjects_allkeys,
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?STD_TAG,
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FoldObjectsFun}),
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KeyHashList2 = HTFolder2(),
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?assertMatch(KeyHashList1, lists:usort(KeyHashList2)),
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ok = book_close(Bookie1),
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reset_filestructure().
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-endif.
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@ -8,9 +8,9 @@
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]).
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all() -> [
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retain_strategy,
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aae_bustedjournal,
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journal_compaction_bustedjournal
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% retain_strategy,
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aae_bustedjournal %,
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% journal_compaction_bustedjournal
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].
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retain_strategy(_Config) ->
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@ -103,9 +103,35 @@ aae_bustedjournal(_Config) ->
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% Will need to remove the file or corrupt the hashtree to get presence to
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% fail
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FoldObjectsFun = fun(B, K, V, Acc) -> [{B, K, riak_hash(V)}|Acc] end,
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SW = os:timestamp(),
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{async, HashTreeF3} = leveled_bookie:book_returnfolder(Bookie2,
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{foldobjects_allkeys,
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?RIAK_TAG,
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FoldObjectsFun}),
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KeyHashList3 = HashTreeF3(),
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true = length(KeyHashList3) > 19000,
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true = length(KeyHashList3) < HeadCount,
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Delta = length(lists:subtract(KeyHashList1, KeyHashList3)),
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true = Delta < 1001,
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io:format("Fetch of hashtree using fold objects took ~w microseconds" ++
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" and found a Delta of ~w and an objects count of ~w~n",
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[timer:now_diff(os:timestamp(), SW),
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Delta,
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length(KeyHashList3)]),
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ok = leveled_bookie:book_close(Bookie2),
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testutil:reset_filestructure().
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riak_hash(Obj=#r_object{}) ->
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Vclock = vclock(Obj),
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UpdObj = set_vclock(Obj, lists:sort(Vclock)),
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erlang:phash2(term_to_binary(UpdObj)).
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set_vclock(Object=#r_object{}, VClock) -> Object#r_object{vclock=VClock}.
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vclock(#r_object{vclock=VClock}) -> VClock.
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journal_compaction_bustedjournal(_Config) ->
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% Simply confirms that none of this causes a crash
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