Skip to content

ttl, test: scale TTL workers during the fault tests #58750

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jan 8, 2025
Merged

ttl, test: scale TTL workers during the fault tests #58750

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
39 changes: 36 additions & 3 deletions pkg/ttl/ttlworker/job_manager_integration_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1728,8 +1728,6 @@ func TestJobManagerWithFault(t *testing.T) {
}

stopTestCh := make(chan struct{})
wg := &sync.WaitGroup{}
wg.Add(1)

fault := newFaultWithFilter(func(sql string) bool {
// skip some local only sql, ref `getSession()` in `session.go`
Expand All @@ -1740,6 +1738,10 @@ func TestJobManagerWithFault(t *testing.T) {

return true
}, newFaultWithProbability(faultPercent))

wg := &sync.WaitGroup{}
// start the goroutine to inject fault to managers randomly
wg.Add(1)
go func() {
defer wg.Done()

Expand Down Expand Up @@ -1776,6 +1778,38 @@ func TestJobManagerWithFault(t *testing.T) {
}
}()

// start the goroutine to randomly scale the worker count
wg.Add(1)
go func() {
defer wg.Done()

maxScanWorkerCount := variable.DefTiDBTTLScanWorkerCount * 2
minScanWorkerCount := variable.DefTiDBTTLScanWorkerCount / 2

maxDelWorkerCount := variable.DefTiDBTTLDeleteWorkerCount * 2
minDelWorkerCount := variable.DefTiDBTTLDeleteWorkerCount / 2
faultTicker := time.NewTicker(time.Second)

tk := testkit.NewTestKit(t, store)
for {
select {
case <-stopTestCh:
// Recover to the default count
tk.MustExec("set @@global.tidb_ttl_scan_worker_count = ?", variable.DefTiDBTTLScanWorkerCount)
tk.MustExec("set @@global.tidb_ttl_delete_worker_count = ?", variable.DefTiDBTTLDeleteWorkerCount)

return
case <-faultTicker.C:
scanWorkerCount := rand.Int()%(maxScanWorkerCount-minScanWorkerCount) + minScanWorkerCount
delWorkerCount := rand.Int()%(maxDelWorkerCount-minDelWorkerCount) + minDelWorkerCount

logutil.BgLogger().Info("scale worker count", zap.Int("scanWorkerCount", scanWorkerCount), zap.Int("delWorkerCount", delWorkerCount))
tk.MustExec("set @@global.tidb_ttl_scan_worker_count = ?", scanWorkerCount)
tk.MustExec("set @@global.tidb_ttl_delete_worker_count = ?", delWorkerCount)
}
}
}()

// run the workload goroutine
testStart := time.Now()
for time.Since(testStart) < testDuration {
Expand Down Expand Up @@ -1826,7 +1860,6 @@ func TestJobManagerWithFault(t *testing.T) {
}

logutil.BgLogger().Info("test finished")
stopTestCh <- struct{}{}
close(stopTestCh)

wg.Wait()
Expand Down