Shift pause out of leveled

Leveled will now signal the need for a pause due to back-pressure, but
not actually pause itself.  The hope is that in a riak implementation
this pause can be managed by the put_fsm, and so not lock the store.
This commit is contained in:
martinsumner 2016-11-07 10:27:38 +00:00
parent 4583460328
commit 37c23a5b38
4 changed files with 28 additions and 44 deletions

View file

@ -157,7 +157,6 @@
-define(LEDGER_FP, "ledger").
-define(SNAPSHOT_TIMEOUT, 300000).
-define(CHECKJOURNAL_PROB, 0.2).
-define(SLOWOFFER_DELAY, 5).
-record(state, {inker :: pid(),
penciller :: pid(),
@ -277,11 +276,10 @@ handle_call({put, Bucket, Key, Object, IndexSpecs, Tag, TTL}, From, State) ->
% will beocme more frequent
case State#state.slow_offer of
true ->
timer:sleep(?SLOWOFFER_DELAY);
gen_server:reply(From, pause);
false ->
ok
gen_server:reply(From, ok)
end,
gen_server:reply(From, ok),
case maybepush_ledgercache(State#state.cache_size,
Cache0,
State#state.penciller) of

View file

@ -36,9 +36,7 @@ simple_put_fetch_head_delete(_Config) ->
{ok, Bookie2} = leveled_bookie:book_start(StartOpts2),
testutil:check_forobject(Bookie2, TestObject),
ObjList1 = testutil:generate_objects(5000, 2),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie2, Obj, Spc) end,
ObjList1),
testutil:riakload(Bookie2, ObjList1),
ChkList1 = lists:sublist(lists:sort(ObjList1), 100),
testutil:check_forlist(Bookie2, ChkList1),
testutil:check_forobject(Bookie2, TestObject),
@ -88,9 +86,7 @@ many_put_fetch_head(_Config) ->
ChkListFixed = lists:nth(length(CLs), CLs),
testutil:check_forlist(Bookie2, CL1A),
ObjList2A = testutil:generate_objects(5000, 2),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie2, Obj, Spc) end,
ObjList2A),
testutil:riakload(Bookie2, ObjList2A),
ChkList2A = lists:sublist(lists:sort(ObjList2A), 1000),
testutil:check_forlist(Bookie2, ChkList2A),
testutil:check_forlist(Bookie2, ChkListFixed),
@ -116,9 +112,7 @@ journal_compaction(_Config) ->
ok = testutil:book_riakput(Bookie1, TestObject, TestSpec),
testutil:check_forobject(Bookie1, TestObject),
ObjList1 = testutil:generate_objects(20000, 2),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie1, Obj, Spc) end,
ObjList1),
testutil:riakload(Bookie1, ObjList1),
ChkList1 = lists:sublist(lists:sort(ObjList1), 10000),
testutil:check_forlist(Bookie1, ChkList1),
testutil:check_forobject(Bookie1, TestObject),
@ -140,7 +134,7 @@ journal_compaction(_Config) ->
%% Delete some of the objects
ObjListD = testutil:generate_objects(10000, 2),
lists:foreach(fun({_R, O, _S}) ->
ok = testutil:book_riakdelete(Bookie1,
testutil:book_riakdelete(Bookie1,
O#r_object.bucket,
O#r_object.key,
[])
@ -149,9 +143,7 @@ journal_compaction(_Config) ->
%% Now replace all the other objects
ObjList2 = testutil:generate_objects(40000, 10002),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie1, Obj, Spc) end,
ObjList2),
testutil:riakload(Bookie1, ObjList2),
ok = leveled_bookie:book_compactjournal(Bookie1, 30000),
F = fun leveled_bookie:book_islastcompactionpending/1,
@ -186,9 +178,7 @@ fetchput_snapshot(_Config) ->
{TestObject, TestSpec} = testutil:generate_testobject(),
ok = testutil:book_riakput(Bookie1, TestObject, TestSpec),
ObjList1 = testutil:generate_objects(5000, 2),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie1, Obj, Spc) end,
ObjList1),
testutil:riakload(Bookie1, ObjList1),
SnapOpts1 = [{snapshot_bookie, Bookie1}],
{ok, SnapBookie1} = leveled_bookie:book_start(SnapOpts1),
ChkList1 = lists:sublist(lists:sort(ObjList1), 100),
@ -211,9 +201,7 @@ fetchput_snapshot(_Config) ->
ObjList2 = testutil:generate_objects(5000, 2),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie2, Obj, Spc) end,
ObjList2),
testutil:riakload(Bookie2, ObjList2),
io:format("Replacement objects put~n"),
ChkList2 = lists:sublist(lists:sort(ObjList2), 100),
@ -225,9 +213,7 @@ fetchput_snapshot(_Config) ->
ok = filelib:ensure_dir(RootPath ++ "/ledger/ledger_files"),
{ok, FNsA} = file:list_dir(RootPath ++ "/ledger/ledger_files"),
ObjList3 = testutil:generate_objects(15000, 5002),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie2, Obj, Spc) end,
ObjList3),
testutil:riakload(Bookie2, ObjList3),
ChkList3 = lists:sublist(lists:sort(ObjList3), 100),
testutil:check_forlist(Bookie2, ChkList3),
testutil:check_formissinglist(SnapBookie2, ChkList3),
@ -461,7 +447,7 @@ space_clear_ondelete(_Config) ->
% Delete the keys
SW2 = os:timestamp(),
lists:foreach(fun({Bucket, Key}) ->
ok = testutil:book_riakdelete(Book1,
testutil:book_riakdelete(Book1,
Bucket,
Key,
[])

View file

@ -35,9 +35,7 @@ small_load_with2i(_Config) ->
[],
ObjectGen,
IndexGen),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Bookie1, Obj, Spc) end,
ObjL1),
testutil:riakload(Bookie1, ObjL1),
ChkList1 = lists:sublist(lists:sort(ObjL1), 100),
testutil:check_forlist(Bookie1, ChkList1),
testutil:check_forobject(Bookie1, TestObject),
@ -129,12 +127,7 @@ query_count(_Config) ->
[],
V,
Indexes),
lists:foreach(fun({_RN, Obj, Spc}) ->
testutil:book_riakput(Book1,
Obj,
Spc)
end,
ObjL1),
testutil:riakload(Book1, ObjL1),
io:format("Put of 10000 objects with 8 index entries "
++
"each completed in ~w microseconds~n",

View file

@ -6,6 +6,7 @@
book_riakdelete/4,
book_riakget/3,
book_riakhead/3,
riakload/2,
reset_filestructure/0,
reset_filestructure/1,
check_bucket_stats/2,
@ -41,6 +42,7 @@
riak_hash/1]).
-define(RETURN_TERMS, {true, undefined}).
-define(SLOWOFFER_DELAY, 5).
@ -58,7 +60,15 @@ book_riakhead(Pid, Bucket, Key) ->
leveled_book:book_head(Pid, Bucket, Key, ?RIAK_TAG).
riakload(Bookie, ObjectList) ->
lists:foreach(fun({_RN, Obj, Spc}) ->
R = book_riakput(Bookie,Obj, Spc),
case R of
ok -> ok;
pause -> timer:sleep(?SLOWOFFER_DELAY)
end
end,
ObjectList).
reset_filestructure() ->
@ -257,10 +267,7 @@ load_objects(ChunkSize, GenList, Bookie, TestObject, Generator) ->
lists:map(fun(KN) ->
ObjListA = Generator(ChunkSize, KN),
StartWatchA = os:timestamp(),
lists:foreach(fun({_RN, Obj, Spc}) ->
book_riakput(Bookie, Obj, Spc)
end,
ObjListA),
riakload(Bookie, ObjListA),
Time = timer:now_diff(os:timestamp(), StartWatchA),
io:format("~w objects loaded in ~w seconds~n",
[ChunkSize, Time/1000000]),