diff --git a/.golangci.yml b/.golangci.yml
index f33f66e680c..861c668b3bc 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -3,6 +3,7 @@ linters:
     - unconvert
     - unparam
     - revive
+    - depguard
 
 linters-settings:
   revive:
@@ -28,3 +29,14 @@ linters-settings:
       - name: superfluous-else
       - name: modifies-parameter
       - name: unreachable-code
+
+  depguard:
+    list-type: blacklist
+    include-go-root: false
+    packages:
+      - log
+      - github.com/juju/errors
+    packages-with-error-message:
+      # specify an error message to output when a blacklisted package is used
+      - log: "logging is allowed only by pingcap/log"
+      - github.com/juju/errors: "error handling is allowed only by pingcap/errors"
diff --git a/cdc/puller/frontier/list.go b/cdc/puller/frontier/list.go
index 2a14aeafff8..249127d6bfb 100644
--- a/cdc/puller/frontier/list.go
+++ b/cdc/puller/frontier/list.go
@@ -16,11 +16,12 @@ package frontier
 import (
 	"bytes"
 	"fmt"
-	"log"
 	"math"
 	"strings"
 
 	_ "unsafe" // required by go:linkname
+
+	"github.com/pingcap/log"
 )
 
 const (
diff --git a/cdc/scheduler/util/table_set.go b/cdc/scheduler/util/table_set.go
new file mode 100644
index 00000000000..963f7a30b1d
--- /dev/null
+++ b/cdc/scheduler/util/table_set.go
@@ -0,0 +1,211 @@
+// Copyright 2021 PingCAP, Inc.
+//
+// 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-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+	"github.com/pingcap/log"
+	"github.com/pingcap/ticdc/cdc/model"
+	"go.uber.org/zap"
+)
+
+// TableSet provides a data structure to store the tables' states for the
+// scheduler.
+type TableSet struct {
+	// all tables' records
+	tableIDMap map[model.TableID]*TableRecord
+
+	// a non-unique index to facilitate looking up tables
+	// assigned to a given capture.
+	captureIndex map[model.CaptureID]map[model.TableID]*TableRecord
+}
+
+// TableRecord is a record to be inserted into TableSet.
+type TableRecord struct {
+	TableID   model.TableID
+	CaptureID model.CaptureID
+	Status    TableStatus
+}
+
+// Clone returns a copy of the TableSet.
+// This method is future-proof in case we add
+// something not trivially copyable.
+func (r *TableRecord) Clone() *TableRecord {
+	return &TableRecord{
+		TableID:   r.TableID,
+		CaptureID: r.CaptureID,
+		Status:    r.Status,
+	}
+}
+
+// TableStatus is a type representing the table's replication status.
+type TableStatus int32
+
+const (
+	AddingTable = TableStatus(iota) + 1
+	RemovingTable
+	RunningTable
+)
+
+// NewTableSet creates a new TableSet.
+func NewTableSet() *TableSet {
+	return &TableSet{
+		tableIDMap:   map[model.TableID]*TableRecord{},
+		captureIndex: map[model.CaptureID]map[model.TableID]*TableRecord{},
+	}
+}
+
+// AddTableRecord inserts a new TableRecord.
+// It returns true if it succeeds. Returns false if there is a duplicate.
+func (s *TableSet) AddTableRecord(record *TableRecord) (successful bool) {
+	if _, ok := s.tableIDMap[record.TableID]; ok {
+		// duplicate tableID
+		return false
+	}
+	recordCloned := record.Clone()
+	s.tableIDMap[record.TableID] = recordCloned
+
+	captureIndexEntry := s.captureIndex[record.CaptureID]
+	if captureIndexEntry == nil {
+		captureIndexEntry = make(map[model.TableID]*TableRecord)
+		s.captureIndex[record.CaptureID] = captureIndexEntry
+	}
+
+	captureIndexEntry[record.TableID] = recordCloned
+	return true
+}
+
+// UpdateTableRecord updates an existing TableRecord.
+// All modifications to a table's status should be done by this method.
+func (s *TableSet) UpdateTableRecord(record *TableRecord) (successful bool) {
+	oldRecord, ok := s.tableIDMap[record.TableID]
+	if !ok {
+		// table does not exist
+		return false
+	}
+
+	// If there is no need to modify the CaptureID, we simply
+	// update the record.
+	if record.CaptureID == oldRecord.CaptureID {
+		recordCloned := record.Clone()
+		s.tableIDMap[record.TableID] = recordCloned
+		s.captureIndex[record.CaptureID][record.TableID] = recordCloned
+		return true
+	}
+
+	// If the CaptureID is changed, we do a proper RemoveTableRecord followed
+	// by AddTableRecord.
+	if record.CaptureID != oldRecord.CaptureID {
+		if ok := s.RemoveTableRecord(record.TableID); !ok {
+			log.Panic("unreachable", zap.Any("record", record))
+		}
+		if ok := s.AddTableRecord(record); !ok {
+			log.Panic("unreachable", zap.Any("record", record))
+		}
+	}
+	return true
+}
+
+// GetTableRecord tries to obtain a record with the specified tableID.
+func (s *TableSet) GetTableRecord(tableID model.TableID) (*TableRecord, bool) {
+	rec, ok := s.tableIDMap[tableID]
+	if ok {
+		return rec.Clone(), ok
+	}
+	return nil, false
+}
+
+// RemoveTableRecord removes the record with tableID. Returns false
+// if none exists.
+func (s *TableSet) RemoveTableRecord(tableID model.TableID) bool {
+	record, ok := s.tableIDMap[tableID]
+	if !ok {
+		return false
+	}
+	delete(s.tableIDMap, record.TableID)
+
+	captureIndexEntry, ok := s.captureIndex[record.CaptureID]
+	if !ok {
+		log.Panic("unreachable", zap.Int64("table-id", tableID))
+	}
+	delete(captureIndexEntry, record.TableID)
+	if len(captureIndexEntry) == 0 {
+		delete(s.captureIndex, record.CaptureID)
+	}
+	return true
+}
+
+// RemoveTableRecordByCaptureID removes all table records associated with
+// captureID.
+func (s *TableSet) RemoveTableRecordByCaptureID(captureID model.CaptureID) []*TableRecord {
+	captureIndexEntry, ok := s.captureIndex[captureID]
+	if !ok {
+		return nil
+	}
+
+	var ret []*TableRecord
+	for tableID, record := range captureIndexEntry {
+		delete(s.tableIDMap, tableID)
+		// Since the record has been removed,
+		// there is no need to clone it before returning.
+		ret = append(ret, record)
+	}
+	delete(s.captureIndex, captureID)
+	return ret
+}
+
+// CountTableByCaptureID counts the number of tables associated with the captureID.
+func (s *TableSet) CountTableByCaptureID(captureID model.CaptureID) int {
+	return len(s.captureIndex[captureID])
+}
+
+// GetDistinctCaptures counts distinct captures with tables.
+func (s *TableSet) GetDistinctCaptures() []model.CaptureID {
+	var ret []model.CaptureID
+	for captureID := range s.captureIndex {
+		ret = append(ret, captureID)
+	}
+	return ret
+}
+
+// GetAllTables returns all stored information on all tables.
+func (s *TableSet) GetAllTables() map[model.TableID]*TableRecord {
+	ret := make(map[model.TableID]*TableRecord)
+	for tableID, record := range s.tableIDMap {
+		ret[tableID] = record.Clone()
+	}
+	return ret
+}
+
+// GetAllTablesGroupedByCaptures returns all stored information grouped by associated CaptureID.
+func (s *TableSet) GetAllTablesGroupedByCaptures() map[model.CaptureID]map[model.TableID]*TableRecord {
+	ret := make(map[model.CaptureID]map[model.TableID]*TableRecord)
+	for captureID, tableIDMap := range s.captureIndex {
+		tableIDMapCloned := make(map[model.TableID]*TableRecord)
+		for tableID, record := range tableIDMap {
+			tableIDMapCloned[tableID] = record.Clone()
+		}
+		ret[captureID] = tableIDMapCloned
+	}
+	return ret
+}
+
+// CountTableByStatus counts the number of tables with the given status.
+func (s *TableSet) CountTableByStatus(status TableStatus) (count int) {
+	for _, record := range s.tableIDMap {
+		if record.Status == status {
+			count++
+		}
+	}
+	return
+}
diff --git a/cdc/sink/codec/canal.go b/cdc/sink/codec/canal.go
index cde3bba4f79..91427c9bb8d 100644
--- a/cdc/sink/codec/canal.go
+++ b/cdc/sink/codec/canal.go
@@ -16,12 +16,12 @@ package codec
 import (
 	"context"
 	"fmt"
-	"log"
 	"strconv"
 	"strings"
 
 	"github.com/golang/protobuf/proto" // nolint:staticcheck
 	"github.com/pingcap/errors"
+	"github.com/pingcap/log"
 	"github.com/pingcap/ticdc/cdc/model"
 	cerror "github.com/pingcap/ticdc/pkg/errors"
 	canal "github.com/pingcap/ticdc/proto/canal"
diff --git a/cdc/sink/common/flow_control.go b/cdc/sink/common/flow_control.go
index 47ad19fc6b7..a008d58b25a 100644
--- a/cdc/sink/common/flow_control.go
+++ b/cdc/sink/common/flow_control.go
@@ -14,12 +14,12 @@
 package common
 
 import (
-	"log"
 	"sync"
 	"sync/atomic"
 
 	"github.com/edwingeng/deque"
 	"github.com/pingcap/errors"
+	"github.com/pingcap/log"
 	cerrors "github.com/pingcap/ticdc/pkg/errors"
 	"go.uber.org/zap"
 )
diff --git a/integration/tests/case_date_time.go b/integration/tests/case_date_time.go
index 8d5f622a398..d318f7761ab 100644
--- a/integration/tests/case_date_time.go
+++ b/integration/tests/case_date_time.go
@@ -15,13 +15,20 @@ package tests
 
 import (
 	"errors"
-	"log"
 	"time"
 
+<<<<<<< HEAD:integration/tests/case_date_time.go
 	"github.com/pingcap/ticdc/integration/framework"
 	"github.com/pingcap/ticdc/integration/framework/avro"
 	"github.com/pingcap/ticdc/integration/framework/canal"
 	"github.com/pingcap/ticdc/integration/framework/mysql"
+=======
+	"github.com/pingcap/log"
+	"github.com/pingcap/ticdc/tests/mq_protocol_tests/framework"
+	"github.com/pingcap/ticdc/tests/mq_protocol_tests/framework/avro"
+	"github.com/pingcap/ticdc/tests/mq_protocol_tests/framework/canal"
+	"github.com/pingcap/ticdc/tests/mq_protocol_tests/framework/mysql"
+>>>>>>> 2ed02366d (pkg,cdc: do not use log package (#3902)):tests/mq_protocol_tests/cases/case_date_time.go
 )
 
 // DateTimeCase is base impl of test case for different types data
diff --git a/pkg/context/context.go b/pkg/context/context.go
index 6cf689fa2d8..1930d3f5db4 100644
--- a/pkg/context/context.go
+++ b/pkg/context/context.go
@@ -15,9 +15,9 @@ package context
 
 import (
 	"context"
-	"log"
 	"time"
 
+	"github.com/pingcap/log"
 	"github.com/pingcap/ticdc/cdc/kv"
 	"github.com/pingcap/ticdc/cdc/model"
 	"github.com/pingcap/ticdc/pkg/config"
diff --git a/pkg/context/context_test.go b/pkg/context/context_test.go
index f274e4fad05..184459e5b18 100644
--- a/pkg/context/context_test.go
+++ b/pkg/context/context_test.go
@@ -129,7 +129,7 @@ func TestThrowPanic(t *testing.T) {
 	t.Parallel()
 	defer func() {
 		panicMsg := recover()
-		require.Equal(t, panicMsg, "an error has escaped, please report a bug{error 26 0  mock error}")
+		require.Equal(t, panicMsg, "an error has escaped, please report a bug")
 	}()
 	stdCtx := context.Background()
 	ctx := NewContext(stdCtx, &GlobalVars{})
diff --git a/pkg/etcd/etcdkey.go b/pkg/etcd/etcdkey.go
index bf47a210a30..8b91dc36921 100644
--- a/pkg/etcd/etcdkey.go
+++ b/pkg/etcd/etcdkey.go
@@ -14,9 +14,9 @@
 package etcd
 
 import (
-	"log"
 	"strings"
 
+	"github.com/pingcap/log"
 	cerror "github.com/pingcap/ticdc/pkg/errors"
 )
 
diff --git a/pkg/orchestrator/util/key_utils.go b/pkg/orchestrator/util/key_utils.go
index e9b68ca491c..008c8ae9705 100644
--- a/pkg/orchestrator/util/key_utils.go
+++ b/pkg/orchestrator/util/key_utils.go
@@ -14,8 +14,9 @@
 package util
 
 import (
-	"log"
 	"strings"
+
+	"github.com/pingcap/log"
 )
 
 // EtcdKey represents a complete key in Etcd.