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job_manager_integration_test.go
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job_manager_integration_test.go
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// Copyright 2022 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ttlworker_test
import (
"context"
"encoding/json"
"fmt"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/google/uuid"
"github.com/ngaut/pools"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/pkg/domain"
"github.com/pingcap/tidb/pkg/kv"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/model"
dbsession "github.com/pingcap/tidb/pkg/session"
"github.com/pingcap/tidb/pkg/statistics/handle/autoanalyze/exec"
"github.com/pingcap/tidb/pkg/testkit"
timerapi "github.com/pingcap/tidb/pkg/timer/api"
timertable "github.com/pingcap/tidb/pkg/timer/tablestore"
"github.com/pingcap/tidb/pkg/ttl/cache"
"github.com/pingcap/tidb/pkg/ttl/client"
"github.com/pingcap/tidb/pkg/ttl/metrics"
"github.com/pingcap/tidb/pkg/ttl/session"
"github.com/pingcap/tidb/pkg/ttl/ttlworker"
"github.com/pingcap/tidb/pkg/util/logutil"
dto "github.com/prometheus/client_model/go"
"github.com/stretchr/testify/require"
"go.uber.org/atomic"
"go.uber.org/zap"
)
func sessionFactory(t *testing.T, store kv.Storage) func() session.Session {
return func() session.Session {
dbSession, err := dbsession.CreateSession4Test(store)
require.NoError(t, err)
se := session.NewSession(dbSession, dbSession, nil)
_, err = se.ExecuteSQL(context.Background(), "ROLLBACK")
require.NoError(t, err)
_, err = se.ExecuteSQL(context.Background(), "set tidb_retry_limit=0")
require.NoError(t, err)
return se
}
}
func TestGetSession(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("set @@time_zone = 'Asia/Shanghai'")
tk.MustExec("set @@global.time_zone= 'Europe/Berlin'")
tk.MustExec("set @@tidb_retry_limit=1")
tk.MustExec("set @@tidb_enable_1pc=0")
tk.MustExec("set @@tidb_enable_async_commit=0")
var getCnt atomic.Int32
pool := pools.NewResourcePool(func() (pools.Resource, error) {
if getCnt.CompareAndSwap(0, 1) {
return tk.Session(), nil
}
require.FailNow(t, "get session more than once")
return nil, nil
}, 1, 1, 0)
defer pool.Close()
se, err := ttlworker.GetSessionForTest(pool)
require.NoError(t, err)
defer se.Close()
// global time zone should not change
tk.MustQuery("select @@global.time_zone").Check(testkit.Rows("Europe/Berlin"))
tz, err := se.GlobalTimeZone(context.TODO())
require.NoError(t, err)
require.Equal(t, "Europe/Berlin", tz.String())
// session variables should be set
tk.MustQuery("select @@time_zone, @@tidb_retry_limit, @@tidb_enable_1pc, @@tidb_enable_async_commit").
Check(testkit.Rows("UTC 0 1 1"))
// all session variables should be restored after close
se.Close()
tk.MustQuery("select @@time_zone, @@tidb_retry_limit, @@tidb_enable_1pc, @@tidb_enable_async_commit").
Check(testkit.Rows("Asia/Shanghai 1 0 0"))
}
func TestParallelLockNewJob(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
waitAndStopTTLManager(t, dom)
sessionFactory := sessionFactory(t, store)
testTable := &cache.PhysicalTable{ID: 2, TableInfo: &model.TableInfo{ID: 1, TTLInfo: &model.TTLInfo{IntervalExprStr: "1", IntervalTimeUnit: int(ast.TimeUnitDay), JobInterval: "1h"}}}
// simply lock a new job
m := ttlworker.NewJobManager("test-id", nil, store, nil, nil)
m.InfoSchemaCache().Tables[testTable.ID] = testTable
se := sessionFactory()
job, err := m.LockJob(context.Background(), se, testTable, se.Now(), uuid.NewString(), false)
require.NoError(t, err)
job.Finish(se, se.Now(), &ttlworker.TTLSummary{})
// lock one table in parallel, only one of them should lock successfully
testTimes := 100
concurrency := 5
now := se.Now()
for i := 0; i < testTimes; i++ {
successCounter := atomic.NewUint64(0)
successJob := &ttlworker.TTLJob{}
now = now.Add(time.Hour * 48)
wg := sync.WaitGroup{}
for j := 0; j < concurrency; j++ {
jobManagerID := fmt.Sprintf("test-ttl-manager-%d", j)
wg.Add(1)
go func() {
m := ttlworker.NewJobManager(jobManagerID, nil, store, nil, nil)
m.InfoSchemaCache().Tables[testTable.ID] = testTable
se := sessionFactory()
job, err := m.LockJob(context.Background(), se, testTable, now, uuid.NewString(), false)
if err == nil {
successCounter.Add(1)
successJob = job
} else {
logutil.BgLogger().Info("lock new job with error", zap.Error(err))
}
wg.Done()
}()
}
wg.Wait()
require.Equal(t, uint64(1), successCounter.Load())
successJob.Finish(se, se.Now(), &ttlworker.TTLSummary{})
}
}
func TestFinishJob(t *testing.T) {
timeFormat := time.DateTime
store, dom := testkit.CreateMockStoreAndDomain(t)
waitAndStopTTLManager(t, dom)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
testTable := &cache.PhysicalTable{ID: 2, Schema: model.NewCIStr("db1"), TableInfo: &model.TableInfo{ID: 1, Name: model.NewCIStr("t1"), TTLInfo: &model.TTLInfo{IntervalExprStr: "1", IntervalTimeUnit: int(ast.TimeUnitDay)}}}
tk.MustExec("insert into mysql.tidb_ttl_table_status(table_id) values (2)")
// finish with error
m := ttlworker.NewJobManager("test-id", nil, store, nil, nil)
m.InfoSchemaCache().Tables[testTable.ID] = testTable
se := sessionFactory()
startTime := se.Now()
job, err := m.LockJob(context.Background(), se, testTable, startTime, uuid.NewString(), false)
require.NoError(t, err)
expireTime, err := testTable.EvalExpireTime(context.Background(), se, startTime)
require.NoError(t, err)
tk.MustQuery("select * from mysql.tidb_ttl_job_history").Check(testkit.Rows(strings.Join([]string{
job.ID(), "2", "1", "db1", "t1", "<nil>",
startTime.Format(timeFormat),
time.Unix(1, 0).Format(timeFormat),
expireTime.Format(timeFormat),
"<nil>", "<nil>", "<nil>", "<nil>",
"running",
}, " ")))
summary := &ttlworker.TTLSummary{
ScanTaskErr: "\"'an error message contains both single and double quote'\"",
TotalRows: 128,
SuccessRows: 120,
ErrorRows: 8,
}
summaryBytes, err := json.Marshal(summary)
summary.SummaryText = string(summaryBytes)
require.NoError(t, err)
endTime := se.Now()
job.Finish(se, endTime, summary)
tk.MustQuery("select table_id, last_job_summary from mysql.tidb_ttl_table_status").Check(testkit.Rows("2 " + summary.SummaryText))
tk.MustQuery("select * from mysql.tidb_ttl_task").Check(testkit.Rows())
expectedRow := []string{
job.ID(), "2", "1", "db1", "t1", "<nil>",
startTime.Format(timeFormat), endTime.Format(timeFormat), expireTime.Format(timeFormat),
summary.SummaryText, "128", "120", "8", "finished",
}
tk.MustQuery("select * from mysql.tidb_ttl_job_history").Check(testkit.Rows(strings.Join(expectedRow, " ")))
}
func TestTTLAutoAnalyze(t *testing.T) {
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-info-schema-cache-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-info-schema-cache-interval")
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-status-table-cache-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-status-table-cache-interval")
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/resize-workers-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/resize-workers-interval")
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval")
originAutoAnalyzeMinCnt := exec.AutoAnalyzeMinCnt
exec.AutoAnalyzeMinCnt = 0
defer func() {
exec.AutoAnalyzeMinCnt = originAutoAnalyzeMinCnt
}()
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table t (id int, created_at datetime) ttl = `created_at` + interval 1 day")
// insert ten rows, the 2,3,4,6,9,10 of them are expired
for i := 1; i <= 10; i++ {
t := time.Now()
if i%2 == 0 || i%3 == 0 {
t = t.Add(-time.Hour * 48)
}
tk.MustExec("insert into t values(?, ?)", i, t.Format(time.RFC3339))
}
// TODO: use a better way to pause and restart ttl worker after analyze the table to make it more stable
// but as the ttl worker takes several seconds to start, it's not too serious.
tk.MustExec("analyze table t")
rows := tk.MustQuery("show stats_meta").Rows()
require.Equal(t, rows[0][4], "0")
require.Equal(t, rows[0][5], "10")
retryTime := 15
retryInterval := time.Second * 2
deleted := false
for retryTime >= 0 {
retryTime--
time.Sleep(retryInterval)
rows := tk.MustQuery("select count(*) from t").Rows()
count := rows[0][0].(string)
if count == "3" {
deleted = true
break
}
}
require.True(t, deleted, "ttl should remove expired rows")
h := dom.StatsHandle()
is := dom.InfoSchema()
require.NoError(t, h.DumpStatsDeltaToKV(true))
require.NoError(t, h.Update(is))
require.True(t, h.HandleAutoAnalyze())
}
func TestTriggerTTLJob(t *testing.T) {
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval")
ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Minute)
defer cancel()
store, do := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table t(id int primary key, t timestamp) TTL=`t` + INTERVAL 1 DAY")
tbl, err := do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
tblID := tbl.Meta().ID
require.NoError(t, err)
timerStore := timertable.NewTableTimerStore(0, do.SysSessionPool(), "mysql", "tidb_timers", nil)
defer timerStore.Close()
timerCli := timerapi.NewDefaultTimerClient(timerStore)
// make sure the table had run a job one time to make the test stable
cli := do.TTLJobManager().GetCommandCli()
_, _ = client.TriggerNewTTLJob(ctx, cli, "test", "t")
r := tk.MustQuery("select last_job_id, current_job_id from mysql.tidb_ttl_table_status where table_id=?", tblID)
require.Equal(t, 1, len(r.Rows()))
waitTTLJobFinished(t, tk, tblID, timerCli)
now := time.Now()
nowDateStr := now.Format("2006-01-02 15:04:05.999999")
expire := now.Add(-time.Hour * 25)
expreDateStr := expire.Format("2006-01-02 15:04:05.999999")
tk.MustExec("insert into t values(1, ?)", expreDateStr)
tk.MustExec("insert into t values(2, ?)", nowDateStr)
tk.MustExec("insert into t values(3, ?)", expreDateStr)
tk.MustExec("insert into t values(4, ?)", nowDateStr)
res, err := client.TriggerNewTTLJob(ctx, cli, "test", "t")
require.NoError(t, err)
require.Equal(t, 1, len(res.TableResult))
tableResult := res.TableResult[0]
require.Equal(t, tblID, tableResult.TableID)
require.NotEmpty(t, tableResult.JobID)
require.Equal(t, "test", tableResult.DBName)
require.Equal(t, "t", tableResult.TableName)
require.Equal(t, "", tableResult.ErrorMessage)
require.Equal(t, "", tableResult.PartitionName)
waitTTLJobFinished(t, tk, tblID, timerCli)
tk.MustQuery("select id from t order by id asc").Check(testkit.Rows("2", "4"))
}
func TestTTLDeleteWithTimeZoneChange(t *testing.T) {
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/task-manager-loop-interval")
store, do := testkit.CreateMockStoreAndDomain(t)
timerStore := timertable.NewTableTimerStore(0, do.SysSessionPool(), "mysql", "tidb_timers", nil)
defer timerStore.Close()
timerCli := timerapi.NewDefaultTimerClient(timerStore)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("set @@global.time_zone='Asia/Shanghai'")
tk.MustExec("set @@time_zone='Asia/Shanghai'")
tk.MustExec("set @@global.tidb_ttl_running_tasks=32")
tk.MustExec("create table t1(id int primary key, t datetime) TTL=`t` + INTERVAL 1 DAY TTL_ENABLE='OFF'")
tbl1, err := do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t1"))
require.NoError(t, err)
tblID1 := tbl1.Meta().ID
tk.MustExec("insert into t1 values(1, NOW()), (2, NOW() - INTERVAL 31 HOUR), (3, NOW() - INTERVAL 33 HOUR)")
tk.MustExec("create table t2(id int primary key, t timestamp) TTL=`t` + INTERVAL 1 DAY TTL_ENABLE='OFF'")
tbl2, err := do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t2"))
require.NoError(t, err)
tblID2 := tbl2.Meta().ID
tk.MustExec("insert into t2 values(1, NOW()), (2, NOW() - INTERVAL 31 HOUR), (3, NOW() - INTERVAL 33 HOUR)")
tk.MustExec("set @@global.time_zone='UTC'")
tk.MustExec("set @@time_zone='UTC'")
tk.MustExec("alter table t1 TTL_ENABLE='ON'")
tk.MustExec("alter table t2 TTL_ENABLE='ON'")
ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
defer cancel()
cli := do.TTLJobManager().GetCommandCli()
_, _ = client.TriggerNewTTLJob(ctx, cli, "test", "t1")
_, _ = client.TriggerNewTTLJob(ctx, cli, "test", "t2")
waitTTLJobFinished(t, tk, tblID1, timerCli)
tk.MustQuery("select id from t1 order by id asc").Check(testkit.Rows("1", "2"))
waitTTLJobFinished(t, tk, tblID2, timerCli)
tk.MustQuery("select id from t2 order by id asc").Check(testkit.Rows("1"))
}
func waitTTLJobFinished(t *testing.T, tk *testkit.TestKit, tableID int64, timerCli timerapi.TimerClient) {
start := time.Now()
for time.Since(start) < time.Minute {
time.Sleep(time.Second)
r := tk.MustQuery("select last_job_id, current_job_id, parent_table_id from mysql.tidb_ttl_table_status where table_id=?", tableID)
rows := r.Rows()
if len(rows) == 0 {
continue
}
if rows[0][0] == "<nil>" {
continue
}
if rows[0][1] != "<nil>" {
continue
}
parentID, err := strconv.ParseInt(rows[0][2].(string), 10, 64)
require.NoError(t, err)
timer, err := timerCli.GetTimerByKey(context.Background(), fmt.Sprintf("/tidb/ttl/physical_table/%d/%d", parentID, tableID))
require.NoError(t, err)
if timer.EventStatus == timerapi.SchedEventTrigger {
continue
}
return
}
require.FailNow(t, "timeout")
}
func TestTTLJobDisable(t *testing.T) {
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-info-schema-cache-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-info-schema-cache-interval")
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-status-table-cache-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/update-status-table-cache-interval")
failpoint.Enable("github.com/pingcap/tidb/pkg/ttl/ttlworker/resize-workers-interval", fmt.Sprintf("return(%d)", time.Second))
defer failpoint.Disable("github.com/pingcap/tidb/pkg/ttl/ttlworker/resize-workers-interval")
originAutoAnalyzeMinCnt := exec.AutoAnalyzeMinCnt
exec.AutoAnalyzeMinCnt = 0
defer func() {
exec.AutoAnalyzeMinCnt = originAutoAnalyzeMinCnt
}()
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table t (id int, created_at datetime) ttl = `created_at` + interval 1 day")
// insert ten rows, the 2,3,4,6,9,10 of them are expired
for i := 1; i <= 10; i++ {
t := time.Now()
if i%2 == 0 || i%3 == 0 {
t = t.Add(-time.Hour * 48)
}
tk.MustExec("insert into t values(?, ?)", i, t.Format(time.RFC3339))
}
// turn off the `tidb_ttl_job_enable`
tk.MustExec("set global tidb_ttl_job_enable = 'OFF'")
defer tk.MustExec("set global tidb_ttl_job_enable = 'ON'")
retryTime := 15
retryInterval := time.Second * 2
deleted := false
for retryTime >= 0 {
retryTime--
time.Sleep(retryInterval)
rows := tk.MustQuery("select count(*) from t").Rows()
count, err := strconv.Atoi(rows[0][0].(string))
require.NoError(t, err)
if count < 10 {
deleted = true
break
}
require.Len(t, dom.TTLJobManager().RunningJobs(), 0)
}
require.False(t, deleted)
}
func TestSubmitJob(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
waitAndStopTTLManager(t, dom)
tk.MustExec("use test")
tk.MustExec("create table ttlp1(a int, t timestamp) TTL=`t`+interval 1 HOUR PARTITION BY RANGE (a) (" +
"PARTITION p0 VALUES LESS THAN (10)," +
"PARTITION p1 VALUES LESS THAN (100)" +
")")
table, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("ttlp1"))
require.NoError(t, err)
tableID := table.Meta().ID
var physicalID int64
for _, def := range table.Meta().Partition.Definitions {
if def.Name.L == "p0" {
physicalID = def.ID
break
}
}
require.NotZero(t, physicalID)
var leader atomic.Bool
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return leader.Load()
})
se := sessionFactory()
// not leader
err = m.SubmitJob(se, tableID, physicalID, "req1")
require.EqualError(t, err, "current TTL manager is not the leader")
leader.Store(true)
// invalid table
err = m.SubmitJob(se, 9999, 9999, "req1")
require.ErrorContains(t, err, "not exists in information schema")
err = m.SubmitJob(se, tableID, 9999, "req1")
require.ErrorContains(t, err, "not exists in information schema")
err = m.SubmitJob(se, 9999, physicalID, "req1")
require.ErrorContains(t, err, "for physical table with id")
// check no success job submitted
tk.MustQuery("select count(1) from mysql.tidb_ttl_table_status").Check(testkit.Rows("0"))
tk.MustQuery("select count(1) from mysql.tidb_ttl_job_history").Check(testkit.Rows("0"))
tk.MustQuery("select count(1) from mysql.tidb_ttl_task").Check(testkit.Rows("0"))
// submit successfully
now := time.Now()
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnTTL)
require.NoError(t, m.SubmitJob(se, tableID, physicalID, "request1"))
sql, args := cache.SelectFromTTLTableStatusWithID(physicalID)
rows, err := se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
require.Equal(t, physicalID, tableStatus.TableID)
require.Equal(t, tableID, tableStatus.ParentTableID)
require.Equal(t, "request1", tableStatus.CurrentJobID)
require.Equal(t, "manager-1", tableStatus.CurrentJobOwnerID)
require.Equal(t, cache.JobStatusRunning, tableStatus.CurrentJobStatus)
require.InDelta(t, tableStatus.CurrentJobTTLExpire.Unix(), now.Unix()-3600, 300)
require.Greater(t, tableStatus.CurrentJobOwnerHBTime.Unix(), now.Unix()-10)
require.Greater(t, tableStatus.CurrentJobStartTime.Unix(), now.Unix()-10)
require.Greater(t, tableStatus.CurrentJobStatusUpdateTime.Unix(), now.Unix()-10)
tk.MustQuery("select table_id, scan_id, UNIX_TIMESTAMP(expire_time), status from mysql.tidb_ttl_task where job_id='request1'").
Check(testkit.Rows(fmt.Sprintf("%d 0 %d waiting", physicalID, tableStatus.CurrentJobTTLExpire.Unix())))
tk.MustQuery("select parent_table_id, table_id, table_schema, table_name, partition_name, " +
"UNIX_TIMESTAMP(create_time), UNIX_TIMESTAMP(ttl_expire), status " +
"from mysql.tidb_ttl_job_history where job_id='request1'").Check(testkit.Rows(fmt.Sprintf(
"%d %d test ttlp1 p0 %d %d running",
tableID, physicalID, tableStatus.CurrentJobStartTime.Unix(), tableStatus.CurrentJobTTLExpire.Unix(),
)))
}
func TestRescheduleJobs(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
waitAndStopTTLManager(t, dom)
now := time.Now()
tk.MustExec("create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'")
table, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
require.NoError(t, err)
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnTTL)
se := sessionFactory()
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
m.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, m.InfoSchemaCache().Update(se))
require.NoError(t, m.TableStatusCache().Update(context.Background(), se))
// submit job
require.NoError(t, m.SubmitJob(se, table.Meta().ID, table.Meta().ID, "request1"))
sql, args := cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err := se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
originalJobID := tableStatus.CurrentJobID
require.NotEmpty(t, originalJobID)
require.Equal(t, "manager-1", tableStatus.CurrentJobOwnerID)
// there is already a task
tk.MustQuery("select count(*) from mysql.tidb_ttl_task").Check(testkit.Rows("1"))
// another manager should get this job, if the heart beat is not updated
anotherManager := ttlworker.NewJobManager("manager-2", nil, store, nil, nil)
anotherManager.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, anotherManager.InfoSchemaCache().Update(se))
require.NoError(t, anotherManager.TableStatusCache().Update(context.Background(), se))
anotherManager.RescheduleJobs(se, now.Add(time.Hour))
sql, args = cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err = se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err = cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
// but the orignal job should be inherited
require.NotEmpty(t, tableStatus.CurrentJobID)
require.Equal(t, "manager-2", tableStatus.CurrentJobOwnerID)
require.Equal(t, originalJobID, tableStatus.CurrentJobID)
// if the time leaves the time window, it'll finish the job
tk.MustExec("set global tidb_ttl_job_schedule_window_start_time='23:58'")
tk.MustExec("set global tidb_ttl_job_schedule_window_end_time='23:59'")
anotherManager.RescheduleJobs(se, time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, now.Nanosecond(), now.Location()))
tk.MustQuery("select last_job_summary->>'$.scan_task_err' from mysql.tidb_ttl_table_status").Check(testkit.Rows("ttl job is disabled"))
}
func TestRescheduleJobsAfterTableDropped(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
waitAndStopTTLManager(t, dom)
now := time.Now()
createTableSQL := "create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'"
tk.MustExec("create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'")
table, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
require.NoError(t, err)
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnTTL)
removeBehaviors := []struct {
remove string
resume string
}{
{"drop table test.t", createTableSQL},
{"alter table test.t remove ttl", "alter table test.t ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'"},
{"alter table test.t ttl_enable = 'OFF'", "alter table test.t ttl_enable = 'ON'"},
}
for i, rb := range removeBehaviors {
se := sessionFactory()
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
m.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, m.InfoSchemaCache().Update(se))
require.NoError(t, m.TableStatusCache().Update(context.Background(), se))
// submit job
require.NoError(t, m.SubmitJob(se, table.Meta().ID, table.Meta().ID, fmt.Sprintf("request%d", i)))
sql, args := cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err := se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
require.Equal(t, "manager-1", tableStatus.CurrentJobOwnerID)
// there is already a task
tk.MustQuery("select count(*) from mysql.tidb_ttl_task").Check(testkit.Rows("1"))
// break the table
tk.MustExec(rb.remove)
require.NoError(t, m.InfoSchemaCache().Update(se))
require.NoError(t, m.TableStatusCache().Update(context.Background(), se))
m.RescheduleJobs(se, time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, now.Nanosecond(), now.Location()))
tk.MustQuery("select last_job_summary->>'$.scan_task_err' from mysql.tidb_ttl_table_status").Check(testkit.Rows("TTL table has been removed or the TTL on this table has been stopped"))
// resume the table
tk.MustExec(rb.resume)
table, err = dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
require.NoError(t, err)
m.DoGC(context.TODO(), se)
}
}
func TestJobTimeout(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
waitAndStopTTLManager(t, dom)
tk.MustExec("create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'")
table, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
tableID := table.Meta().ID
require.NoError(t, err)
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnTTL)
se := sessionFactory()
now := se.Now()
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
m.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, m.InfoSchemaCache().Update(se))
require.NoError(t, m.TableStatusCache().Update(context.Background(), se))
// submit job
require.NoError(t, m.SubmitJob(se, tableID, tableID, "request1"))
// set the worker to be empty, so none of the tasks will be scheduled
m.TaskManager().SetScanWorkers4Test([]ttlworker.Worker{})
sql, args := cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err := se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
require.NotEmpty(t, tableStatus.CurrentJobID)
require.Equal(t, "manager-1", tableStatus.CurrentJobOwnerID)
// there is already a task
tk.MustQuery("select count(*) from mysql.tidb_ttl_task").Check(testkit.Rows("1"))
m2 := ttlworker.NewJobManager("manager-2", nil, store, nil, nil)
m2.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, m2.InfoSchemaCache().Update(se))
require.NoError(t, m2.TableStatusCache().Update(context.Background(), se))
// schedule jobs
now = now.Add(10 * time.Minute)
m2.RescheduleJobs(se, now)
jobs := m2.RunningJobs()
require.Equal(t, 1, len(jobs))
require.Equal(t, jobs[0].ID(), tableStatus.CurrentJobID)
// check job has taken by another manager
sql, args = cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err = se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
newTableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
require.Equal(t, "manager-2", newTableStatus.CurrentJobOwnerID)
require.Equal(t, tableStatus.CurrentJobID, newTableStatus.CurrentJobID)
require.Equal(t, tableStatus.CurrentJobStartTime, newTableStatus.CurrentJobStartTime)
require.Equal(t, tableStatus.CurrentJobTTLExpire, newTableStatus.CurrentJobTTLExpire)
require.Equal(t, now.Unix(), newTableStatus.CurrentJobOwnerHBTime.Unix())
// the timeout will be checked while updating heartbeat
require.NoError(t, m2.UpdateHeartBeat(ctx, se, now.Add(7*time.Hour)))
tk.MustQuery("select last_job_summary->>'$.scan_task_err' from mysql.tidb_ttl_table_status").Check(testkit.Rows("job is timeout"))
tk.MustQuery("select count(*) from mysql.tidb_ttl_task").Check(testkit.Rows("0"))
}
func TestTriggerScanTask(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
now := time.Now()
se := sessionFactory()
waitAndStopTTLManager(t, dom)
tk.MustExec("create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'")
tbl, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
require.NoError(t, err)
tblID := tbl.Meta().ID
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
require.NoError(t, m.InfoSchemaCache().Update(se))
m.TaskManager().ResizeWorkersWithSysVar()
m.Start()
defer func() {
m.Stop()
require.NoError(t, m.WaitStopped(context.Background(), time.Second*10))
}()
nCli := m.GetNotificationCli()
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
<-nCli.WatchNotification(context.Background(), "scan")
wg.Done()
}()
require.NoError(t, m.SubmitJob(se, tblID, tblID, "request1"))
// notification is sent
wg.Wait()
for time.Now().Before(now.Add(time.Second * 5)) {
time.Sleep(time.Second)
rows := tk.MustQuery("SELECT status FROM mysql.tidb_ttl_task").Rows()
if len(rows) == 0 {
break
}
if rows[0][0] == cache.TaskStatusFinished {
break
}
}
}
func waitAndStopTTLManager(t *testing.T, dom *domain.Domain) {
maxWaitTime := 30
for {
maxWaitTime--
if maxWaitTime < 0 {
require.Fail(t, "fail to stop ttl manager")
}
if dom.TTLJobManager() != nil {
dom.TTLJobManager().Stop()
require.NoError(t, dom.TTLJobManager().WaitStopped(context.Background(), time.Second*10))
return
}
time.Sleep(time.Second)
continue
}
}
func TestGCScanTasks(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
addTableStatusRecord := func(tableID, parentTableID, curJobID int64) {
tk.MustExec("INSERT INTO mysql.tidb_ttl_table_status (table_id,parent_table_id) VALUES (?, ?)", tableID, parentTableID)
if curJobID == 0 {
return
}
tk.MustExec(`UPDATE mysql.tidb_ttl_table_status
SET current_job_id = ?,
current_job_owner_id = '12345',
current_job_start_time = NOW(),
current_job_status = 'running',
current_job_status_update_time = NOW(),
current_job_ttl_expire = NOW(),
current_job_owner_hb_time = NOW()
WHERE table_id = ?`, curJobID, tableID)
}
addScanTaskRecord := func(jobID, tableID, scanID int64) {
tk.MustExec(`INSERT INTO mysql.tidb_ttl_task SET
job_id = ?,
table_id = ?,
scan_id = ?,
expire_time = NOW(),
created_time = NOW()`, jobID, tableID, scanID)
}
addTableStatusRecord(1, 1, 1)
addScanTaskRecord(1, 1, 1)
addScanTaskRecord(1, 1, 2)
addScanTaskRecord(2, 1, 1)
addScanTaskRecord(2, 1, 2)
addScanTaskRecord(3, 2, 1)
addScanTaskRecord(3, 2, 2)
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
se := session.NewSession(tk.Session(), tk.Session(), func(_ session.Session) {})
m.DoGC(context.TODO(), se)
tk.MustQuery("select job_id, scan_id from mysql.tidb_ttl_task order by job_id, scan_id asc").Check(testkit.Rows("1 1", "1 2"))
}
func TestGCTableStatus(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
// stop TTLJobManager to avoid unnecessary job schedule and make test stable
dom.TTLJobManager().Stop()
require.NoError(t, dom.TTLJobManager().WaitStopped(context.Background(), time.Minute))
// insert table status without corresponding table
tk.MustExec("INSERT INTO mysql.tidb_ttl_table_status (table_id,parent_table_id) VALUES (?, ?)", 2024, 2024)
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
se := session.NewSession(tk.Session(), tk.Session(), func(_ session.Session) {})
m.DoGC(context.TODO(), se)
tk.MustQuery("select * from mysql.tidb_ttl_table_status").Check(nil)
// insert a running table status without corresponding table
tk.MustExec("INSERT INTO mysql.tidb_ttl_table_status (table_id,parent_table_id) VALUES (?, ?)", 2024, 2024)
tk.MustExec(`UPDATE mysql.tidb_ttl_table_status
SET current_job_id = ?,
current_job_owner_id = '12345',
current_job_start_time = NOW(),
current_job_status = 'running',
current_job_status_update_time = NOW(),
current_job_ttl_expire = NOW(),
current_job_owner_hb_time = NOW()
WHERE table_id = ?`, 1, 2024)
m.DoGC(context.TODO(), se)
// it'll not be removed
tk.MustQuery("select current_job_id from mysql.tidb_ttl_table_status").Check(testkit.Rows("1"))
}
func TestGCTTLHistory(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
addHistory := func(jobID, createdBeforeDays int) {
tk.MustExec(fmt.Sprintf(`INSERT INTO mysql.tidb_ttl_job_history (
job_id,
table_id,
parent_table_id,
table_schema,
table_name,
partition_name,
create_time,
finish_time,
ttl_expire,
summary_text,
expired_rows,
deleted_rows,
error_delete_rows,
status
)
VALUES
(
%d, 1, 1, 'test', 't1', '',
CURDATE() - INTERVAL %d DAY,
CURDATE() - INTERVAL %d DAY + INTERVAL 1 HOUR,
CURDATE() - INTERVAL %d DAY,
"", 100, 100, 0, "finished"
)`, jobID, createdBeforeDays, createdBeforeDays, createdBeforeDays))
}
addHistory(1, 1)
addHistory(2, 30)
addHistory(3, 60)
addHistory(4, 89)
addHistory(5, 90)
addHistory(6, 91)
addHistory(7, 100)
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
se := session.NewSession(tk.Session(), tk.Session(), func(_ session.Session) {})
m.DoGC(context.TODO(), se)
tk.MustQuery("select job_id from mysql.tidb_ttl_job_history order by job_id asc").Check(testkit.Rows("1", "2", "3", "4", "5"))
}
func TestJobMetrics(t *testing.T) {
store, dom := testkit.CreateMockStoreAndDomain(t)
tk := testkit.NewTestKit(t, store)
sessionFactory := sessionFactory(t, store)
waitAndStopTTLManager(t, dom)
tk.MustExec("create table test.t (id int, created_at datetime) ttl = `created_at` + interval 1 minute ttl_job_interval = '1m'")
table, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
require.NoError(t, err)
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnTTL)
se := sessionFactory()
m := ttlworker.NewJobManager("manager-1", nil, store, nil, func() bool {
return true
})
m.TaskManager().ResizeWorkersWithSysVar()
require.NoError(t, m.InfoSchemaCache().Update(se))
// submit job
require.NoError(t, m.SubmitJob(se, table.Meta().ID, table.Meta().ID, "request1"))
// set the worker to be empty, so none of the tasks will be scheduled
m.TaskManager().SetScanWorkers4Test([]ttlworker.Worker{})
sql, args := cache.SelectFromTTLTableStatusWithID(table.Meta().ID)
rows, err := se.ExecuteSQL(ctx, sql, args...)
require.NoError(t, err)
tableStatus, err := cache.RowToTableStatus(se, rows[0])
require.NoError(t, err)
require.NotEmpty(t, tableStatus.CurrentJobID)
require.Equal(t, "manager-1", tableStatus.CurrentJobOwnerID)
require.Equal(t, cache.JobStatusRunning, tableStatus.CurrentJobStatus)
m.ReportMetrics(se)
out := &dto.Metric{}
require.NoError(t, metrics.RunningJobsCnt.Write(out))
require.Equal(t, float64(1), out.GetGauge().GetValue())
}
func TestDelayMetrics(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
// disable ttl job to make test stable
tk.MustExec("set @@global.tidb_ttl_job_enable=0")
tk.MustExec("use test")
tk.MustExec("create table t1(t timestamp) TTL=`t`+interval 1 day TTL_JOB_INTERVAL='1h'")
tk.MustExec("create table t2(t timestamp) TTL=`t`+interval 1 day TTL_JOB_INTERVAL='1h'")
tk.MustExec("create table t3(t timestamp) TTL=`t`+interval 1 day TTL_JOB_INTERVAL='1h'")
tk.MustExec("create table t4(t timestamp) TTL=`t`+interval 1 day TTL_JOB_INTERVAL='2h'")
tk.MustExec("create table t5(t timestamp) TTL=`t`+interval 1 day TTL_JOB_INTERVAL='2h'")
tk.MustExec("create table tx(t timestamp)")
rows := tk.MustQuery("select table_name, tidb_table_id, cast(unix_timestamp(create_time) as signed) from information_schema.tables where TABLE_SCHEMA='test'").Rows()
tableInfos := make(map[string]struct {
id int64
createTime time.Time
})
for _, row := range rows {
name := row[0].(string)
id, err := strconv.ParseInt(row[1].(string), 10, 64)
require.NoError(t, err)
ts, err := strconv.ParseInt(row[2].(string), 10, 64)
require.NoError(t, err)
tableInfos[name] = struct {
id int64
createTime time.Time
}{id: id, createTime: time.Unix(ts, 0)}
}
now := time.Unix(time.Now().Add(time.Minute).Unix(), 0)
insertHistory := func(tblName string, jobStart time.Time, running bool, err bool) {
tblInfo, ok := tableInfos[tblName]
require.True(t, ok)
status := "finished"
if running {
status = "running"
}
summaryText := `{"total_rows":100,"success_rows":100,"error_rows":0,"total_scan_task":1,"scheduled_scan_task":1,"finished_scan_task":1}`
if err {
summaryText = `{"scan_task_err": "err1", "total_rows":100,"success_rows":100,"error_rows":0,"total_scan_task":1,"scheduled_scan_task":1,"finished_scan_task":1}`
}
tk.MustExec(fmt.Sprintf(`INSERT INTO mysql.tidb_ttl_job_history (
job_id,
table_id,
parent_table_id,
table_schema,
table_name,
partition_name,
create_time,
finish_time,
ttl_expire,
summary_text,
expired_rows,
deleted_rows,
error_delete_rows,
status
)