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Remove source node argument from dump_local_wait_edges

pull/1607/head
Marco Slot 2017-08-22 10:02:10 +02:00 committed by Marco Slot
parent a67d10957f
commit 641420d79f
9 changed files with 61 additions and 29 deletions
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4
src/backend/distributed/Makefile
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@ -11,7 +11,7 @@ EXTVERSIONS = 5.0 5.0-1 5.0-2 \
6.0-1 6.0-2 6.0-3 6.0-4 6.0-5 6.0-6 6.0-7 6.0-8 6.0-9 6.0-10 6.0-11 6.0-12 6.0-13 6.0-14 6.0-15 6.0-16 6.0-17 6.0-18 \
6.1-1 6.1-2 6.1-3 6.1-4 6.1-5 6.1-6 6.1-7 6.1-8 6.1-9 6.1-10 6.1-11 6.1-12 6.1-13 6.1-14 6.1-15 6.1-16 6.1-17 \
6.2-1 6.2-2 6.2-3 6.2-4 \
7.0-1 7.0-2 7.0-3 7.0-4 7.0-5 7.0-6 7.0-7 7.0-8 7.0-9 7.0-10 7.0-11 7.0-12 7.0-13 7.0-14
7.0-1 7.0-2 7.0-3 7.0-4 7.0-5 7.0-6 7.0-7 7.0-8 7.0-9 7.0-10 7.0-11 7.0-12 7.0-13 7.0-14 7.0-15
# All citus--*.sql files in the source directory
DATA = $(patsubst $(citus_abs_srcdir)/%.sql,%.sql,$(wildcard $(citus_abs_srcdir)/$(EXTENSION)--*--*.sql))
@ -167,6 +167,8 @@ $(EXTENSION)--7.0-13.sql: $(EXTENSION)--7.0-12.sql $(EXTENSION)--7.0-12--7.0-13.
cat $^ > $@
$(EXTENSION)--7.0-14.sql: $(EXTENSION)--7.0-13.sql $(EXTENSION)--7.0-13--7.0-14.sql
cat $^ > $@
$(EXTENSION)--7.0-15.sql: $(EXTENSION)--7.0-14.sql $(EXTENSION)--7.0-14--7.0-15.sql
cat $^ > $@
NO_PGXS = 1

19
src/backend/distributed/citus--7.0-14--7.0-15.sql Normal file
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@ -0,0 +1,19 @@
/* citus--7.0-14--7.0-15 */
DROP FUNCTION pg_catalog.dump_local_wait_edges(int4);
CREATE FUNCTION pg_catalog.dump_local_wait_edges(
OUT waiting_pid int4,
OUT waiting_node_id int4,
OUT waiting_transaction_num int8,
OUT waiting_transaction_stamp timestamptz,
OUT blocking_pid int4,
OUT blocking_node_id int4,
OUT blocking_transaction_num int8,
OUT blocking_transaction_stamp timestamptz,
OUT blocking_transaction_waiting bool)
RETURNS SETOF RECORD
LANGUAGE C STRICT
AS $$MODULE_PATHNAME$$, $$dump_local_wait_edges$$;
COMMENT ON FUNCTION pg_catalog.dump_local_wait_edges()
IS 'returns all local lock wait chains, that start from distributed transactions';

2
src/backend/distributed/citus.control
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@ -1,6 +1,6 @@
# Citus extension
comment = 'Citus distributed database'
default_version = '7.0-14'
default_version = '7.0-15'
module_pathname = '$libdir/citus'
relocatable = false
schema = pg_catalog

34
src/backend/distributed/transaction/lock_graph.c
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@ -48,7 +48,7 @@ static int64 ParseIntField(PGresult *result, int rowIndex, int colIndex);
static bool ParseBoolField(PGresult *result, int rowIndex, int colIndex);
static TimestampTz ParseTimestampTzField(PGresult *result, int rowIndex, int colIndex);
static void ReturnWaitGraph(WaitGraph *waitGraph, FunctionCallInfo fcinfo);
static WaitGraph * BuildWaitGraphForSourceNode(int sourceNodeId);
static WaitGraph * BuildLocalWaitGraph(void);
static void LockLockData(void);
static void UnlockLockData(void);
static void AddEdgesForLockWaits(WaitGraph *waitGraph, PGPROC *waitingProc,
@ -99,7 +99,7 @@ BuildGlobalWaitGraph(void)
ListCell *connectionCell = NULL;
int localNodeId = GetLocalGroupId();
WaitGraph *waitGraph = BuildWaitGraphForSourceNode(localNodeId);
WaitGraph *waitGraph = BuildLocalWaitGraph();
/* open connections in parallel */
foreach(workerNodeCell, workerNodeList)
@ -129,14 +129,9 @@ BuildGlobalWaitGraph(void)
{
MultiConnection *connection = (MultiConnection *) lfirst(connectionCell);
int querySent = false;
char *command = NULL;
const char *params[1];
const char *command = "SELECT * FROM dump_local_wait_edges()";
params[0] = psprintf("%d", GetLocalGroupId());
command = "SELECT * FROM dump_local_wait_edges($1)";
querySent = SendRemoteCommandParams(connection, command, 1,
NULL, params);
querySent = SendRemoteCommand(connection, command);
if (querySent == 0)
{
ReportConnectionError(connection, ERROR);
@ -277,9 +272,7 @@ ParseTimestampTzField(PGresult *result, int rowIndex, int colIndex)
Datum
dump_local_wait_edges(PG_FUNCTION_ARGS)
{
int32 sourceNodeId = PG_GETARG_INT32(0);
WaitGraph *waitGraph = BuildWaitGraphForSourceNode(sourceNodeId);
WaitGraph *waitGraph = BuildLocalWaitGraph();
ReturnWaitGraph(waitGraph, fcinfo);
return (Datum) 0;
@ -387,11 +380,11 @@ ReturnWaitGraph(WaitGraph *waitGraph, FunctionCallInfo fcinfo)
/*
* BuildWaitGraphForSourceNode builds a wait graph for distributed transactions
* that originate from the given source node.
* BuildLocalWaitGraph builds a wait graph for distributed transactions
* that originate from the local node.
*/
static WaitGraph *
BuildWaitGraphForSourceNode(int sourceNodeId)
BuildLocalWaitGraph(void)
{
WaitGraph *waitGraph = NULL;
int curBackend = 0;
@ -417,7 +410,7 @@ BuildWaitGraphForSourceNode(int sourceNodeId)
/*
* Build lock-graph. We do so by first finding all procs which we are
* interested in (originating on our source system, and blocked). Once
* interested in (in a distributed transaction, and blocked). Once
* those are collected, do depth first search over all procs blocking
* those.
*/
@ -437,12 +430,11 @@ BuildWaitGraphForSourceNode(int sourceNodeId)
GetBackendDataForProc(currentProc, &currentBackendData);
/*
* Only start searching from distributed transactions originating on the source
* node. Other deadlocks may exist, but the source node can only resolve those
* that involve its own transactions.
* Only start searching from distributed transactions, since we only
* care about distributed transactions for the purpose of distributed
* deadlock detection.
*/
if (sourceNodeId != currentBackendData.transactionId.initiatorNodeIdentifier ||
!IsInDistributedTransaction(&currentBackendData))
if (!IsInDistributedTransaction(&currentBackendData))
{
continue;
}

20
src/test/regress/expected/isolation_dump_local_wait_edges.out
View File

@ -29,7 +29,11 @@ step detector-dump-wait-edges:
blocking_transaction_num,
blocking_transaction_waiting
FROM
dump_local_wait_edges(13);
dump_local_wait_edges()
ORDER BY
waiting_node_id,
blocking_transaction_num,
blocking_transaction_waiting;
waiting_node_idwaiting_transaction_numblocking_node_idblocking_transaction_numblocking_transaction_waiting
@ -67,7 +71,11 @@ step detector-dump-wait-edges:
blocking_transaction_num,
blocking_transaction_waiting
FROM
dump_local_wait_edges(13);
dump_local_wait_edges()
ORDER BY
waiting_node_id,
blocking_transaction_num,
blocking_transaction_waiting;
waiting_node_idwaiting_transaction_numblocking_node_idblocking_transaction_numblocking_transaction_waiting
@ -115,12 +123,16 @@ step detector-dump-wait-edges:
blocking_transaction_num,
blocking_transaction_waiting
FROM
dump_local_wait_edges(13);
dump_local_wait_edges()
ORDER BY
waiting_node_id,
blocking_transaction_num,
blocking_transaction_waiting;
waiting_node_idwaiting_transaction_numblocking_node_idblocking_transaction_numblocking_transaction_waiting
13 1 0 t
0 11 1 f
13 1 0 t
step dist11-abort:
ABORT;

1
src/test/regress/expected/multi_extension.out
View File

@ -124,6 +124,7 @@ ALTER EXTENSION citus UPDATE TO '7.0-11';
ALTER EXTENSION citus UPDATE TO '7.0-12';
ALTER EXTENSION citus UPDATE TO '7.0-13';
ALTER EXTENSION citus UPDATE TO '7.0-14';
ALTER EXTENSION citus UPDATE TO '7.0-15';
-- show running version
SHOW citus.version;
citus.version

3
src/test/regress/isolation_schedule
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@ -20,7 +20,8 @@ test: isolation_concurrent_dml isolation_data_migration
test: isolation_drop_shards isolation_copy_placement_vs_modification
test: isolation_insert_vs_vacuum isolation_transaction_recovery
test: isolation_distributed_transaction_id isolation_progress_monitoring
test: isolation_dump_local_wait_edges isolation_dump_global_wait_edges
test: isolation_dump_local_wait_edges
test: isolation_dump_global_wait_edges
test: isolation_replace_wait_function
test: isolation_distributed_deadlock_detection

6
src/test/regress/specs/isolation_dump_local_wait_edges.spec
View File

@ -74,7 +74,11 @@ step "detector-dump-wait-edges"
blocking_transaction_num,
blocking_transaction_waiting
FROM
dump_local_wait_edges(13);
dump_local_wait_edges()
ORDER BY
waiting_node_id,
blocking_transaction_num,
blocking_transaction_waiting;
}
# Distributed transaction blocked by another distributed transaction

1
src/test/regress/sql/multi_extension.sql
View File

@ -124,6 +124,7 @@ ALTER EXTENSION citus UPDATE TO '7.0-11';
ALTER EXTENSION citus UPDATE TO '7.0-12';
ALTER EXTENSION citus UPDATE TO '7.0-13';
ALTER EXTENSION citus UPDATE TO '7.0-14';
ALTER EXTENSION citus UPDATE TO '7.0-15';
-- show running version
SHOW citus.version;