diff --git a/common/lib/idds/common/utils.py b/common/lib/idds/common/utils.py
index e51b721b..bb611ec8 100644
--- a/common/lib/idds/common/utils.py
+++ b/common/lib/idds/common/utils.py
@@ -23,9 +23,11 @@
 import re
 import requests
 import signal
+import socket
 import subprocess
 import sys
 import tarfile
+import threading
 import time
 # import traceback
 
@@ -1067,3 +1069,16 @@ def wrapper(*args, **kwargs):
             return TimeoutError(f"Function '{func.__name__}' timed out after {timeout} seconds.")
         return wrapper
     return decorator
+
+
+def get_process_thread_info():
+    """
+    Returns: hostname, process id, thread id and thread name
+    """
+    hostname = socket.getfqdn()
+    hostname = hostname.split('.')[0]
+    pid = os.getpid()
+    hb_thread = threading.current_thread()
+    thread_id = hb_thread.ident
+    thread_name = hb_thread.name
+    return hostname, pid, thread_id, thread_name
diff --git a/main/lib/idds/core/processings.py b/main/lib/idds/core/processings.py
index 9ad3f211..f7a23160 100644
--- a/main/lib/idds/core/processings.py
+++ b/main/lib/idds/core/processings.py
@@ -17,7 +17,7 @@
 
 from idds.orm.base.session import read_session, transactional_session
 from idds.common.constants import ProcessingLocking, ProcessingStatus, ProcessingType, GranularityType, ContentRelationType
-from idds.common.utils import get_list_chunks
+from idds.common.utils import get_list_chunks, get_process_thread_info
 from idds.orm import (processings as orm_processings,
                       collections as orm_collections,
                       contents as orm_contents,
@@ -126,6 +126,11 @@ def get_processing_by_id_status(processing_id, status=None, locking=False, lock_
                 parameters = {}
                 parameters['locking'] = ProcessingLocking.Locking
                 parameters['updated_at'] = datetime.datetime.utcnow()
+                hostname, pid, thread_id, thread_name = get_process_thread_info()
+                parameters['locking_hostname'] = hostname
+                parameters['locking_pid'] = pid
+                parameters['locking_thread_id'] = thread_id
+                parameters['locking_thread_name'] = thread_name
                 orm_processings.update_processing(processing_id=pr['processing_id'], parameters=parameters, session=session)
                 return pr
             else:
@@ -134,6 +139,11 @@ def get_processing_by_id_status(processing_id, status=None, locking=False, lock_
             parameters = {}
             parameters['locking'] = ProcessingLocking.Locking
             parameters['updated_at'] = datetime.datetime.utcnow()
+            hostname, pid, thread_id, thread_name = get_process_thread_info()
+            parameters['locking_hostname'] = hostname
+            parameters['locking_pid'] = pid
+            parameters['locking_thread_id'] = thread_id
+            parameters['locking_thread_name'] = thread_name
             orm_processings.update_processing(processing_id=pr['processing_id'], parameters=parameters, session=session)
             return pr
     return pr
diff --git a/main/lib/idds/core/requests.py b/main/lib/idds/core/requests.py
index 4b4c3189..0fa494b6 100644
--- a/main/lib/idds/core/requests.py
+++ b/main/lib/idds/core/requests.py
@@ -19,6 +19,7 @@
 from idds.common.constants import (RequestStatus, RequestLocking, WorkStatus,
                                    CollectionType, CollectionStatus, CollectionRelationType,
                                    MessageStatus, MetaStatus)
+from idds.common.utils import get_process_thread_info
 from idds.orm.base.session import read_session, transactional_session
 from idds.orm import requests as orm_requests
 from idds.orm import transforms as orm_transforms
@@ -178,6 +179,11 @@ def get_request_by_id_status(request_id, status=None, locking=False, session=Non
         parameters = {}
         parameters['locking'] = RequestLocking.Locking
         parameters['updated_at'] = datetime.datetime.utcnow()
+        hostname, pid, thread_id, thread_name = get_process_thread_info()
+        parameters['locking_hostname'] = hostname
+        parameters['locking_pid'] = pid
+        parameters['locking_thread_id'] = thread_id
+        parameters['locking_thread_name'] = thread_name
         orm_requests.update_request(request_id=req['request_id'], parameters=parameters, session=session)
     return req
 
diff --git a/main/lib/idds/core/transforms.py b/main/lib/idds/core/transforms.py
index 1a2d8e23..9338079d 100644
--- a/main/lib/idds/core/transforms.py
+++ b/main/lib/idds/core/transforms.py
@@ -20,6 +20,7 @@
 
 from idds.common.constants import (TransformStatus, ContentRelationType, ContentStatus,
                                    TransformLocking, CollectionRelationType)
+from idds.common.utils import get_process_thread_info
 from idds.orm.base.session import read_session, transactional_session
 from idds.orm import (transforms as orm_transforms,
                       collections as orm_collections,
@@ -103,6 +104,11 @@ def get_transform_by_id_status(transform_id, status=None, locking=False, session
         parameters = {}
         parameters['locking'] = TransformLocking.Locking
         parameters['updated_at'] = datetime.datetime.utcnow()
+        hostname, pid, thread_id, thread_name = get_process_thread_info()
+        parameters['locking_hostname'] = hostname
+        parameters['locking_pid'] = pid
+        parameters['locking_thread_id'] = thread_id
+        parameters['locking_thread_name'] = thread_name
         orm_transforms.update_transform(transform_id=tf['transform_id'], parameters=parameters, session=session)
     return tf
 
diff --git a/main/lib/idds/orm/base/alembic/versions/a844dae57021_add_process_thread_locking_information.py b/main/lib/idds/orm/base/alembic/versions/a844dae57021_add_process_thread_locking_information.py
new file mode 100644
index 00000000..e279505e
--- /dev/null
+++ b/main/lib/idds/orm/base/alembic/versions/a844dae57021_add_process_thread_locking_information.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+#
+# Licensed 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-2.0OA
+#
+# Authors:
+# - Wen Guan, <wen.guan@cern.ch>, 2024
+
+"""add process thread locking information
+
+Revision ID: a844dae57021
+Revises: 3073c5de8f73
+Create Date: 2024-10-15 13:55:49.485737+00:00
+
+"""
+from alembic import op
+from alembic import context
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'a844dae57021'
+down_revision = '3073c5de8f73'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+
+        op.add_column('requests', sa.Column('locking_hostname', sa.String(50)), schema=schema)
+        op.add_column('requests', sa.Column('locking_pid', sa.BigInteger()), schema=schema)
+        op.add_column('requests', sa.Column('locking_thread_id', sa.BigInteger()), schema=schema)
+        op.add_column('requests', sa.Column('locking_thread_name', sa.String(50)), schema=schema)
+
+        op.add_column('transforms', sa.Column('locking_hostname', sa.String(50)), schema=schema)
+        op.add_column('transforms', sa.Column('locking_pid', sa.BigInteger()), schema=schema)
+        op.add_column('transforms', sa.Column('locking_thread_id', sa.BigInteger()), schema=schema)
+        op.add_column('transforms', sa.Column('locking_thread_name', sa.String(50)), schema=schema)
+
+        op.add_column('processings', sa.Column('locking_hostname', sa.String(50)), schema=schema)
+        op.add_column('processings', sa.Column('locking_pid', sa.BigInteger()), schema=schema)
+        op.add_column('processings', sa.Column('locking_thread_id', sa.BigInteger()), schema=schema)
+        op.add_column('processings', sa.Column('locking_thread_name', sa.String(50)), schema=schema)
+
+
+def downgrade() -> None:
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+
+        op.drop_column('requests', 'locking_hostname', schema=schema)
+        op.drop_column('requests', 'locking_pid', schema=schema)
+        op.drop_column('requests', 'locking_thread_id', schema=schema)
+        op.drop_column('requests', 'locking_thread_name', schema=schema)
+
+        op.drop_column('transforms', 'locking_hostname', schema=schema)
+        op.drop_column('transforms', 'locking_pid', schema=schema)
+        op.drop_column('transforms', 'locking_thread_id', schema=schema)
+        op.drop_column('transforms', 'locking_thread_name', schema=schema)
+
+        op.drop_column('processings', 'locking_hostname', schema=schema)
+        op.drop_column('processings', 'locking_pid', schema=schema)
+        op.drop_column('processings', 'locking_thread_id', schema=schema)
+        op.drop_column('processings', 'locking_thread_name', schema=schema)
diff --git a/main/lib/idds/orm/base/models.py b/main/lib/idds/orm/base/models.py
index fb228d8a..7b955f2f 100644
--- a/main/lib/idds/orm/base/models.py
+++ b/main/lib/idds/orm/base/models.py
@@ -160,6 +160,10 @@ class Request(BASE, ModelBase):
     new_poll_period = Column(Interval(), default=datetime.timedelta(seconds=1))
     update_poll_period = Column(Interval(), default=datetime.timedelta(seconds=10))
     site = Column(String(50))
+    locking_hostname = Column(String(50))
+    locking_pid = Column(BigInteger, autoincrement=False)
+    locking_thread_id = Column(BigInteger, autoincrement=False)
+    locking_thread_name = Column(String(255))
     campaign = Column(String(50))
     campaign_group = Column(String(250))
     campaign_tag = Column(String(20))
@@ -317,6 +321,10 @@ class Transform(BASE, ModelBase):
     new_poll_period = Column(Interval(), default=datetime.timedelta(seconds=1))
     update_poll_period = Column(Interval(), default=datetime.timedelta(seconds=10))
     site = Column(String(50))
+    locking_hostname = Column(String(50))
+    locking_pid = Column(BigInteger, autoincrement=False)
+    locking_thread_id = Column(BigInteger, autoincrement=False)
+    locking_thread_name = Column(String(255))
     name = Column(String(NAME_LENGTH))
     has_previous_conditions = Column(Integer())
     loop_index = Column(Integer())
@@ -430,6 +438,10 @@ class Processing(BASE, ModelBase):
     new_poll_period = Column(Interval(), default=datetime.timedelta(seconds=1))
     update_poll_period = Column(Interval(), default=datetime.timedelta(seconds=10))
     site = Column(String(50))
+    locking_hostname = Column(String(50))
+    locking_pid = Column(BigInteger, autoincrement=False)
+    locking_thread_id = Column(BigInteger, autoincrement=False)
+    locking_thread_name = Column(String(255))
     errors = Column(JSONString(1024))
     _processing_metadata = Column('processing_metadata', JSON())
     _running_metadata = Column('running_metadata', JSON())
@@ -714,7 +726,7 @@ class Health(BASE, ModelBase):
     status = Column(EnumWithValue(HealthStatus), default=0, nullable=False)
     thread_id = Column(BigInteger, autoincrement=False)
     thread_name = Column(String(255))
-    payload = Column(String(2048))
+    # payload = Column(String(2048))
     created_at = Column("created_at", DateTime, default=datetime.datetime.utcnow)
     updated_at = Column("updated_at", DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
     payload = Column(String(2048))
diff --git a/main/lib/idds/orm/base/utils.py b/main/lib/idds/orm/base/utils.py
index 6e723739..10c64edb 100644
--- a/main/lib/idds/orm/base/utils.py
+++ b/main/lib/idds/orm/base/utils.py
@@ -39,10 +39,12 @@ def build_database(echo=True, tests=False):
 
     if config_has_option('database', 'schema'):
         schema = config_get('database', 'schema')
-        if schema and not engine.dialect.has_schema(engine, schema):
+        if schema:
             print('Schema set in config, trying to create schema:', schema)
             try:
-                engine.execute(CreateSchema(schema))
+                with engine.connect() as conn:
+                    with conn.begin():
+                        conn.execute(CreateSchema(schema))
             except Exception as e:
                 print('Cannot create schema, please validate manually if schema creation is needed, continuing:', e)
                 print(traceback.format_exc())
diff --git a/main/lib/idds/tests/panda_test.py b/main/lib/idds/tests/panda_test.py
index bc405a36..d29ad1b5 100644
--- a/main/lib/idds/tests/panda_test.py
+++ b/main/lib/idds/tests/panda_test.py
@@ -3,7 +3,6 @@
 import sys
 import datetime
 
-"""
 os.environ['PANDA_URL'] = 'http://pandaserver-doma.cern.ch:25080/server/panda'
 # os.environ['PANDA_URL_SSL'] = 'https://pandaserver-doma.cern.ch:25443/server/panda'
 os.environ['PANDA_URL_SSL'] = 'https://pandaserver-doma.cern.ch:443/server/panda'
@@ -20,7 +19,6 @@
 
 # os.environ['PANDA_URL_SSL'] = 'https://pandaserver01.sdcc.bnl.gov:25443/server/panda'
 # os.environ['PANDA_URL'] = 'https://pandaserver01.sdcc.bnl.gov:25443/server/panda'
-"""
 
 from pandaclient import Client  # noqa E402
 
@@ -82,6 +80,7 @@
 task_ids = [i for i in range(2921, 2927)]
 task_ids = [124, 68, 75, 78, 79]
 task_ids = [19654]
+task_ids = [16700, 16704, 17055, 17646, 17792, 18509, 19754, 21666, 21714, 21739, 16148, 16149, 16150]
 for task_id in task_ids:
     print("Killing %s" % task_id)
     ret = Client.killTask(task_id, verbose=True)