diff --git a/core/api/gql/pagination.go b/core/api/gql/pagination.go
new file mode 100644
index 00000000..6dfc371c
--- /dev/null
+++ b/core/api/gql/pagination.go
@@ -0,0 +1 @@
+package gql
diff --git a/core/api/gql/schema.graphql b/core/api/gql/schema.graphql
index 93cb6798..d571d9ee 100644
--- a/core/api/gql/schema.graphql
+++ b/core/api/gql/schema.graphql
@@ -362,7 +362,7 @@ type Team {
 	owner: User!
 	maxGroupOrderIndex: Int!
 	members: [TeamMember!]!
-	tasks(filter: TaskFilter): [Task!]!
+	tasks(filter: TaskFilter, sort: TaskSort, pagination: Pagination): Tasks!
 	invitations(filter: InvitationFilter): [Invitation!]!
 	sprints(filter: SprintFilter): [Sprint!]!
 	appInstallations: [TeamAppInstallation!]!
@@ -373,6 +373,41 @@ type Team {
 	memberGroups: [TeamMemberGroup!]!
 }
 
+type Pagination {
+	pageSize: Int!
+	afterCursor: String
+}
+
+
+type Tasks {
+	edges: [TaskEdge!]!
+	pageInfo: PageInfo!
+}
+
+type PageInfo {
+	hasNextPage: Boolean!
+	endCursor: String
+}
+
+type TaskSort {
+	order: SortOrder!
+	field: TaskSortField!
+}
+
+enum SortOrder {
+	ASC
+	DESC
+}
+
+enum TaskSortField {
+	Priority
+}
+
+type TaskEdge {
+	cursor: String!
+	node: Task!
+}
+
 type TeamMember {
 	team: Team!
 	user: User!
diff --git a/core/api/gql/sort.go b/core/api/gql/sort.go
new file mode 100644
index 00000000..2301de58
--- /dev/null
+++ b/core/api/gql/sort.go
@@ -0,0 +1,14 @@
+package gql
+
+type SortOrder string
+
+const (
+	ASC  SortOrder = "ASC"
+	DESC SortOrder = "DESC"
+)
+
+type TaskSortField string
+
+const (
+	TaskSortFieldPriority TaskSortField = "PRIORITY"
+)
diff --git a/core/api/gql/task.go b/core/api/gql/task.go
index a5ced954..c072fa49 100644
--- a/core/api/gql/task.go
+++ b/core/api/gql/task.go
@@ -174,3 +174,45 @@ func newTask(deps *Dependencies, task entity.Task) Task {
 		task: task,
 	}
 }
+
+type TaskEdge struct {
+	deps *Dependencies
+	edge entity.TaskEdge
+}
+
+func (t TaskEdge) Cursor(ct context.Context) string {
+	return t.edge.Cursor
+}
+
+func (t TaskEdge) Node(ct context.Context) Task {
+	return newTask(t.deps, t.edge.Node)
+}
+
+func newTaskEdge(deps *Dependencies, edge entity.TaskEdge) TaskEdge {
+	return TaskEdge{
+		deps: deps,
+		edge: edge,
+	}
+}
+
+type Tasks struct {
+	deps  *Dependencies
+	tasks entity.Tasks
+}
+
+func (t Tasks) Edges(ct context.Context) []TaskEdge {
+	return collect.Map(t.tasks.Edges, func(edge entity.TaskEdge, _ int) TaskEdge {
+		return newTaskEdge(t.deps, edge)
+	})
+}
+
+func (t Tasks) PageInfo(ct context.Context) PageInfo {
+
+}
+
+func newTasks(deps *Dependencies, tasks entity.Tasks) Tasks {
+	return Tasks{
+		deps:  deps,
+		tasks: tasks,
+	}
+}
diff --git a/core/api/gql/team.go b/core/api/gql/team.go
index 32a550ee..50e8b859 100644
--- a/core/api/gql/team.go
+++ b/core/api/gql/team.go
@@ -102,7 +102,15 @@ func (t Team) Projects(ct context.Context) ([]Project, error) {
 
 func (t Team) Tasks(ct context.Context, args struct {
 	Filter *TaskFilter
-}) ([]Task, error) {
+	Sort   *struct {
+		Field TaskSortField
+		Order SortOrder
+	}
+	Pagination *struct {
+		PageSize    int32
+		AfterCursor *string
+	}
+}) (Tasks, error) {
 	filter, argErr := fromGraphQLTaskFilterPtr(args.Filter)
 	if argErr != nil {
 		internalErr := errs.NewError(
diff --git a/core/entity/pagination.go b/core/entity/pagination.go
new file mode 100644
index 00000000..f7d01d0a
--- /dev/null
+++ b/core/entity/pagination.go
@@ -0,0 +1,16 @@
+package entity
+
+type PageInfo struct {
+	HasNextPage bool
+	EndCursor   *string
+}
+
+type TaskEdge struct {
+	Cursor string
+	Node   Task
+}
+
+type Tasks struct {
+	Edges    []TaskEdge
+	PageInfo PageInfo
+}
diff --git a/core/service/sort.go b/core/service/sort.go
new file mode 100644
index 00000000..7a6a9b2b
--- /dev/null
+++ b/core/service/sort.go
@@ -0,0 +1,14 @@
+package service
+
+type SortOrder string
+
+const (
+	SortOrderAsc  SortOrder = "ASC"
+	SortOrderDesc SortOrder = "DESC"
+)
+
+type TaskSortField string
+
+const (
+	TaskSortFieldPriority TaskSortField = "PRIORITY"
+)
diff --git a/main.go b/main.go
index 3f0f5d31..080fb00e 100644
--- a/main.go
+++ b/main.go
@@ -5,10 +5,13 @@ import (
 	"database/sql"
 	_ "embed"
 	"fmt"
+	"log"
 	"math/rand"
 	"net/http"
 	"os"
 	"path/filepath"
+	systemRuntime "runtime"
+	"runtime/pprof"
 	"strings"
 	"time"
 
@@ -43,6 +46,42 @@ const serviceName = "backend"
 var serviceLabels = []string{appName, serviceName}
 var fullServiceName = strings.Join(serviceLabels, "-")
 
+func dumpMemoryProfile(fileName string) error {
+	f, err := os.Create(fileName)
+	if err != nil {
+		return err
+	}
+
+	defer f.Close()
+
+	//runtime.GC() // get up-to-date statistics
+	if err := pprof.WriteHeapProfile(f); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func monitorMemoryUsage(threshold uint64) {
+	count := 0
+	var m systemRuntime.MemStats
+	for {
+		systemRuntime.ReadMemStats(&m)
+		log.Printf("Alloc: %vMB, TotalAlloc:%vMB\n", m.Alloc/1024/1024, m.TotalAlloc/1024/1024)
+		if m.Alloc > threshold {
+			count++
+			if count > 10 {
+				if err := dumpMemoryProfile("high_memory_profile.prof"); err != nil {
+					log.Printf("could not write memory profile: %v", err)
+				}
+
+				return
+			}
+		}
+
+		time.Sleep(500 * time.Millisecond) // adjust the interval as needed
+	}
+}
 func init() {
 	rand.Seed(time.Now().UnixNano())
 }
@@ -330,20 +369,22 @@ func startServiceRunner(
 		return errs.NewError(errs.Unknown, err.Error())
 	}
 
-	backfillService, err := dep.InitBackfillService(
-		logger,
-		realTimeStateSyncer, cloudClientRegistry,
-		prom,
-		sqlDB,
-	)
-	if err != nil {
-		return errs.NewError(errs.Unknown, err.Error())
-	}
-
-	internalErr = backfillService.BackfillData(ct)
-	if internalErr != nil {
-		return internalErr
-	}
+	// backfillService, err := dep.InitBackfillService(
+	// 	logger,
+	// 	realTimeStateSyncer, cloudClientRegistry,
+	// 	prom,
+	// 	sqlDB,
+	// )
+	// if err != nil {
+	// 	return errs.NewError(errs.Unknown, err.Error())
+	// }
+
+	// internalErr = backfillService.BackfillData(ct)
+	// if internalErr != nil {
+	// 	return internalErr
+	// }
+
+	go monitorMemoryUsage(1024 * 1024 * 1024 / 2) // 512MB
 
 	rn := runner.NewServiceRunnerBuilder(
 		logger,