Merge develop-2.2 into develop (using existing rebar.conf from develop)

Author: fadushin

docs/BATCHING.md

@@ -113,7 +113,10 @@
 %%    take care of it.
 -type component() :: search | index.
 
--type solr_entry()   :: {bkey(), obj(), write_reason(), p(), short_preflist(),
+
+-type object_pair() :: {obj(), obj() | no_old_object}.
+
+-type solr_entry()   :: {bkey(), object_pair(), write_reason(), p(), short_preflist(),
     hash()}.
 -type solr_entries() :: [solr_entry()].
 

docs/yz-batching-overview.graffle

@@ -253,15 +253,12 @@
 %%      - purge_index -> Removes all items associated with one random
 %%        erroring (references to fuses blown in the code) index in
 %%        order to get below the search.queue.high_watermark.
-%%      - purge_all -> Removes all items associated with all
-%%        erroring (references to fuses blown in the code) indices in
-%%        order to get below the search.queue.high_watermark.
 %%      - off -> purging is disabled
 {mapping, "search.queue.high_watermark.purge_strategy",
  "yokozuna.solrq_hwm_purge_strategy", [
   {default, purge_one},
   {commented, purge_one},
-  {datatype, {enum, [purge_one, purge_index, purge_all, off]}}
+  {datatype, {enum, [purge_one, purge_index, off]}}
 ]}.
 
 %% @doc The amount of time to wait before a drain operation times out.

docs/yz-batching-overview.png

@@ -27,19 +27,24 @@
 prepare_crash(start, State) ->
     {stop, {error, something_bad_happened}, State}.
 
+%% Put a 1 second sleep in front of resume_workers.
+resume_workers_sleep_1s(Pid) ->
+    timer:sleep(1000),
+    ?M:resume_workers_orig(Pid).
 
-%% Put a 5 second sleep in front of prepare.
-prepare_sleep_5s(start, State) ->
-    timer:sleep(5000),
+%% restore the original prepare
+prepare_orig(start, State) ->
     ?M:prepare_orig(start, State).
 
+%% restore the original resume_workers
+resume_workers_orig(Pid) ->
+    ?M:resume_workers_orig(Pid).
 
-%% Put a 5 second sleep in front of prepare.
-prepare_sleep_1s(start, State) ->
-    timer:sleep(1000),
-    ?M:prepare_orig(start, State).
+%% Timeout on a cancel, full stop
+cancel_timeout(_Pid, _CancelTimeout) ->
+    lager:log(info, self(), "Intercepting cancel/2 and returning timeout"),
+    timeout.
 
-
-%% restore the original
-prepare_orig(start, State) ->
-    ?M:prepare_orig(start, State).
+%% restore the original cancel
+cancel_orig(Pid, CancelTimeout) ->
+    ?M:cancel_orig(Pid, CancelTimeout).

include/yokozuna.hrl

@@ -418,7 +418,10 @@ verify_correct_solrqs(Cluster) ->
     ?assertEqual(ok, rt:wait_until(Cluster, fun check_queues_match/1)).
 
 check_queues_match(Node) ->
-    CurrentIndexes = rpc:call(Node, yz_index, get_indexes_from_meta, []),
+    %% Current Indexes includes ?YZ_INDEX_TOMBSTONE because we need to write the entries
+    %% for non-indexed data to the YZ AAE tree. Excluding them makes the solrq supervisor
+    %% constantly start and stop these queues.
+    CurrentIndexes = rpc:call(Node, yz_index, get_indexes_from_meta, []) ++ [?YZ_INDEX_TOMBSTONE],
     OwnedPartitions = rt:partitions_for_node(Node),
     ActiveQueues = rpc:call(Node, yz_solrq_sup, active_queues, []),
     ExpectedQueueus = [{Index, Partition} || Index <- CurrentIndexes, Partition <- OwnedPartitions],

priv/yokozuna.schema

@@ -10,31 +10,34 @@
 -define(BUCKET_TYPE, <<"data">>).
 -define(INDEX1, <<"fruit_aae">>).
 -define(INDEX2, <<"fruitpie_aae">>).
--define(BUCKETWITHTYPE,
-        {?BUCKET_TYPE, ?INDEX2}).
+-define(BUCKETWITHTYPE, {?BUCKET_TYPE, ?INDEX2}).
 -define(BUCKET, ?INDEX1).
 -define(REPAIR_MFA, {yz_exchange_fsm, repair, 2}).
 -define(SPACER, "testfor spaces ").
 -define(AAE_THROTTLE_LIMITS, [{-1, 0}, {10000, 10}]).
--define(CFG,
-        [{riak_core,
-          [
-           {ring_creation_size, 16},
-           {default_bucket_props, [{n_val, ?N}]},
-           {handoff_concurrency, 10},
-           {vnode_management_timer, 1000}
-          ]},
-         {yokozuna,
-          [
-           {enabled, true},
-           {?SOLRQ_DRAIN_ENABLE, true},
-           {anti_entropy_tick, 1000},
-           %% allow AAE to build trees and exchange rapidly
-           {anti_entropy_build_limit, {100, 1000}},
-           {anti_entropy_concurrency, 8},
-           {aae_throttle_limits, ?AAE_THROTTLE_LIMITS}
-          ]}
-        ]).
+-define(CFG, [
+    {riak_core, [
+        {ring_creation_size, 16},
+        {default_bucket_props, [{n_val, ?N}]},
+        {handoff_concurrency, 10},
+        {vnode_management_timer, 1000}
+    ]},
+    {riak_kv, [
+        {force_hashtree_upgrade, true},
+        {anti_entropy_tick, 1000},
+        {anti_entropy_build_limit, {100, 1000}},
+        {anti_entropy_concurrency, 8}
+    ]},
+    {yokozuna, [
+        {enabled, true},
+        {?SOLRQ_DRAIN_ENABLE, true},
+        {anti_entropy_tick, 1000},
+        %% allow AAE to build trees and exchange rapidly
+        {anti_entropy_build_limit, {100, 1000}},
+        {anti_entropy_concurrency, 8},
+        {aae_throttle_limits, ?AAE_THROTTLE_LIMITS}
+    ]}
+]).
 
 confirm() ->
     Cluster = rt:build_cluster(5, ?CFG),
@@ -101,15 +104,14 @@ aae_run(Cluster, Bucket, Index) ->
 
             RepairCountBefore = get_cluster_repair_count(Cluster),
             yz_rt:count_calls(Cluster, ?REPAIR_MFA),
-            NumKeys = [{Bucket, K} || K <- yz_rt:random_keys(?NUM_KEYS)],
-            NumKeysSpaces = [{Bucket, add_space_to_key(K)} ||
+            RandomBKeys = [{Bucket, K} || K <- yz_rt:random_keys(?NUM_KEYS)],
+            RandomBKeysWithSpaces = [{Bucket, add_space_to_key(K)} ||
                                 K <- yz_rt:random_keys(?NUM_KEYS_SPACES)],
-            {DelNumKeys, _ChangeKeys} = lists:split(length(NumKeys) div 2,
-                                                    NumKeys),
-            {DelNumKeysSpaces, _ChangeKeysSpaces} = lists:split(
-                                                length(NumKeysSpaces) div 2,
-                                                NumKeysSpaces),
-            AllDelKeys = DelNumKeys ++ DelNumKeysSpaces,
+            {RandomBKeysToDelete, _} = lists:split(length(RandomBKeys) div 2, RandomBKeys),
+            {RandomBKeysWithSpacesToDelete, _} = lists:split(
+                                                length(RandomBKeysWithSpaces) div 2,
+                                                RandomBKeysWithSpaces),
+            AllDelKeys = RandomBKeysToDelete ++ RandomBKeysWithSpacesToDelete,
             lager:info("Deleting ~p keys", [length(AllDelKeys)]),
             [delete_key_in_solr(Cluster, Index, K) || K <- AllDelKeys],
             lager:info("Verify Solr indexes missing"),
@@ -174,7 +176,7 @@ create_orphan_postings(Cluster, Index, Bucket, Keys) ->
     Keys2 = [{Bucket, ?INT_TO_BIN(K)} || K <- Keys],
     lager:info("Create orphan postings with keys ~p", [Keys]),
     ObjNodePs = [create_obj_node_partition_tuple(Cluster, Key) || Key <- Keys2],
-    [ok = rpc:call(Node, yz_kv, index, [Obj, put, P])
+    [ok = rpc:call(Node, yz_kv, index, [{Obj, no_old_object}, put, P])
      || {Obj, Node, P} <- ObjNodePs],
     yz_rt:commit(Cluster, Index),
     ok.
@@ -330,7 +332,8 @@ verify_count_and_repair_after_error_value(Cluster, {BType, _Bucket}, Index,
     %% 1. write KV data to non-indexed bucket
     Conn = yz_rt:select_random(PBConns),
     lager:info("write 1 bad search field to bucket ~p", [Bucket]),
-    Obj = riakc_obj:new(Bucket, <<"akey_bad_data">>, <<"{\"date_register\":3333}">>,
+    Key = <<"akey_bad_data">>,
+    Obj = riakc_obj:new(Bucket, Key, <<"{\"date_register\":3333}">>,
                         "application/json"),
 
     ok = riakc_pb_socket:put(Conn, Obj),
@@ -349,6 +352,11 @@ verify_count_and_repair_after_error_value(Cluster, {BType, _Bucket}, Index,
     %% 5. verify count after expiration
     verify_exchange_after_expire(Cluster, Index),
 
+    %% 6. Because it's possible we'll try to repair this key again
+    %% after clearing trees, delete it from KV
+    ok = riakc_pb_socket:delete(Conn, Bucket, Key),
+    yz_rt:commit(Cluster, Index),
+
     ok;
 verify_count_and_repair_after_error_value(_Cluster, _Bucket, _Index, _PBConns) ->
     ok.

riak_test/intercepts/yz_solrq_drain_fsm_intercepts.erl

@@ -27,6 +27,9 @@
 -type search_type() :: solr | yokozuna.
 -type cluster() :: cluster().
 
+-type intercept() :: {{TargetFunctionName::atom(), TargetArity::non_neg_integer()}, InterceptFunctionName::atom()}.
+-type intercepts() :: [intercept()].
+
 -export_type([prop/0, props/0, cluster/0]).
 
 %% @doc Get {Host, Port} from `Cluster'.
@@ -552,6 +555,7 @@ remove_index(Node, BucketType) ->
     ok = rpc:call(Node, riak_core_bucket_type, update, [BucketType, Props]).
 
 really_remove_index(Cluster, {BucketType, Bucket}, Index, PBConn) ->
+    lager:info("Removing index ~p", [Index]),
     Node = hd(Cluster),
     F = fun(_) ->
                 Props = [{?YZ_INDEX, ?YZ_INDEX_TOMBSTONE}],
@@ -965,17 +969,17 @@ check_fuse_status(Node, Partition, Indices, FuseCheckFunction) ->
 
 -spec intercept_index_batch(node() | cluster(), module()) -> ok | [ok].
 intercept_index_batch(Cluster, Intercept) ->
-    add_intercept(
+    add_intercepts(
       Cluster,
-      yz_solr, index_batch, 2, Intercept).
+      yz_solr, [{{index_batch, 2}, Intercept}]).
 
--spec add_intercept(node() | cluster(), module(), atom(), non_neg_integer(), module()) -> ok | [ok].
-add_intercept(Cluster, Module, Function, Arity, Intercept) when is_list(Cluster) ->
-    [add_intercept(Node, Module, Function, Arity, Intercept) || Node <- Cluster];
-add_intercept(Node, Module, Function, Arity, Intercept) ->
+-spec add_intercepts(node() | cluster(), module(), intercepts()) -> ok | [ok].
+add_intercepts(Cluster, Module, Intercepts) when is_list(Cluster) ->
+    [add_intercepts(Node, Module, Intercepts) || Node <- Cluster];
+add_intercepts(Node, Module, Intercepts) ->
     rt_intercept:add(
       Node,
-      {Module, [{{Function, Arity}, Intercept}]}).
+      {Module, Intercepts}).
 
 -spec set_yz_aae_mode(node() | cluster(), automatic | manual) -> ok | [ok].
 set_yz_aae_mode(Cluster, Mode) when is_list(Cluster) ->

riak_test/yokozuna_essential.erl

@@ -111,17 +111,18 @@ confirm() ->
     pass.
 
 confirm_drain_fsm_failure(Cluster) ->
+    lager:info("Starting confirm_drain_fsm_failure"),
     yz_stat:reset(),
     try
         yz_rt:load_intercept_code(Cluster),
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_crash),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{prepare, 2}, prepare_crash}]),
         %% drain solrqs and wait until the drain failure stats are touched
         yz_rt:drain_solrqs(Cluster),
         yz_rt:wait_until(Cluster, fun check_drain_failure_stats/1),
 
         lager:info("confirm_drain_fsm_failure ok")
     after
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_orig)
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{prepare, 2}, prepare_orig}])
     end.
 
 check_drain_failure_stats(Node) ->
@@ -138,19 +139,20 @@ check_drain_failure_stats(Node) ->
     yz_rt:check_stat_values(Stats, Pairs).
 
 confirm_drain_fsm_timeout(Cluster) ->
+    lager:info("Starting confirm_drain_fsm_timeout"),
     yz_stat:reset(),
     [rpc:call(
-        Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_TIMEOUT, 500])
+        Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_TIMEOUT, 250])
             || Node <- Cluster],
     try
         yz_rt:load_intercept_code(Cluster),
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_sleep_1s),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{resume_workers, 1}, resume_workers_sleep_1s}]),
         yz_rt:drain_solrqs(Cluster),
         yz_rt:wait_until(Cluster, fun check_drain_timeout_stats/1),
 
         lager:info("confirm_drain_fsm_timeout ok")
     after
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_orig),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{resume_workers, 1}, resume_workers_orig}]),
         [rpc:call(
             Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_TIMEOUT, 60000])
                 || Node <- Cluster]
@@ -170,26 +172,31 @@ check_drain_timeout_stats(Node) ->
     yz_rt:check_stat_values(Stats, Pairs).
 
 confirm_drain_fsm_kill(Cluster) ->
+    lager:info("Starting confirm_drain_fsm_kill"),
     [rpc:call(
         Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_TIMEOUT, 10])
         || Node <- Cluster],
+    %% technically not needed for this test (because the cancel intercept will
+    %% just return timeout), but added for completeness
     [rpc:call(
         Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_CANCEL_TIMEOUT, 10])
         || Node <- Cluster],
     try
         yz_test_listener:start(),
         yz_rt:load_intercept_code(Cluster),
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_sleep_5s),
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_mgr, unlink_and_kill, 2, count_unlink_and_kill),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{resume_workers, 1}, resume_workers_sleep_1s},
+                                                           {{cancel, 2}, cancel_timeout}]),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_mgr, [{{unlink_and_kill, 2}, count_unlink_and_kill}]),
         yz_rt:drain_solrqs(Cluster),
         yz_rt:wait_until(Cluster, fun check_drain_cancel_timeout_stats/1),
 
         ?assertEqual(1, length(yz_test_listener:messages())),
 
         lager:info("confirm_drain_fsm_kill ok")
     after
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_fsm, prepare, 2, prepare_orig),
-        yz_rt:add_intercept(Cluster, yz_solrq_drain_mgr, unlink_and_kill, 2, unlink_and_kill_orig),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_fsm, [{{resume_workers, 1}, resume_workers_orig},
+                                                           {{cancel, 2}, cancel_orig}]),
+        yz_rt:add_intercepts(Cluster, yz_solrq_drain_mgr, [{{unlink_and_kill, 2}, unlink_and_kill_orig}]),
         yz_test_listener:stop(),
         [rpc:call(
             Node, application, set_env, [?YZ_APP_NAME, ?SOLRQ_DRAIN_TIMEOUT, 60000])
@@ -214,6 +221,7 @@ check_drain_cancel_timeout_stats(Node) ->
 
 
 confirm_batch_size(Cluster, PBConn, BKey, Index) ->
+    lager:info("Starting confirm_batch_size"),
     %% First, put one less than the min batch size and expect that there are no
     %% search results (because the index operations are queued).
     Count = ?SOLRQ_BATCH_MIN_SETTING - 1,
@@ -246,6 +254,7 @@ confirm_batch_size(Cluster, PBConn, BKey, Index) ->
     ok.
 
 confirm_hwm(Cluster, PBConn, Bucket, Index, HWM) ->
+    lager:info("Starting confirm_hwm"),
     yz_rt:drain_solrqs(Cluster),
     {OldMin, OldMax, OldDelay} = set_index(Cluster, Index, 1, 100, 100),
     try
@@ -267,6 +276,7 @@ confirm_hwm(Cluster, PBConn, Bucket, Index, HWM) ->
 gteq(A, B) -> A >= B.
 
 confirm_draining(Cluster, PBConn, Bucket, Index) ->
+    lager:info("Starting confirm_draining"),
     Count = ?SOLRQ_BATCH_MIN_SETTING - 1,
     Count = put_objects(PBConn, Bucket, Count),
     yz_rt:commit(Cluster, Index),
@@ -278,6 +288,7 @@ confirm_draining(Cluster, PBConn, Bucket, Index) ->
     ok.
 
 confirm_requeue_undelivered([Node|_] = Cluster, PBConn, BKey, Index) ->
+    lager:info("Starting confirm_requeue_undelivered"),
     yz_rt:load_intercept_code(Node),
     yz_rt:intercept_index_batch(Node, index_batch_returns_other_error),
 
@@ -300,6 +311,7 @@ confirm_requeue_undelivered([Node|_] = Cluster, PBConn, BKey, Index) ->
     ok.
 
 confirm_no_contenttype_data(Cluster, PBConn, BKey, Index) ->
+    lager:info("Starting confirm_no_contenttype_data"),
     yz_rt:set_index(Cluster, Index, 1, 100, 100),
     Count = 1,
     Count = put_no_contenttype_objects(PBConn, BKey, Count),
@@ -309,6 +321,7 @@ confirm_no_contenttype_data(Cluster, PBConn, BKey, Index) ->
     ok.
 
 confirm_purge_strategy(Cluster, PBConn) ->
+    lager:info("Starting confirm_purge_strategy"),
     confirm_purge_one_strategy(Cluster, PBConn,
                                {?BUCKET5, ?INDEX5}),
     confirm_purge_idx_strategy(Cluster, PBConn,