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kvserver: de-flake TestProtectedTimestamps #75436

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merged 1 commit into from
Jan 25, 2022
Merged

kvserver: de-flake TestProtectedTimestamps #75436

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45 changes: 40 additions & 5 deletions pkg/kv/kvserver/client_protectedts_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -68,8 +68,12 @@ func TestProtectedTimestamps(t *testing.T) {
_, err = conn.Exec("SET CLUSTER SETTING kv.protectedts.poll_interval = '10ms';")
require.NoError(t, err)

_, err = conn.Exec("ALTER TABLE foo CONFIGURE ZONE USING " +
"gc.ttlseconds = 1, range_max_bytes = 1<<18, range_min_bytes = 1<<10;")
_, err = conn.Exec("SET CLUSTER SETTING kv.closed_timestamp.target_duration = '100ms'") // speeds up the test
require.NoError(t, err)

const tableRangeMaxBytes = 1 << 18
_, err = conn.Exec("ALTER TABLE foo CONFIGURE ZONE USING "+
"gc.ttlseconds = 1, range_max_bytes = $1, range_min_bytes = 1<<10;", tableRangeMaxBytes)
require.NoError(t, err)

rRand, _ := randutil.NewTestRand()
Expand All @@ -86,7 +90,25 @@ func TestProtectedTimestamps(t *testing.T) {
const processedPattern = `(?s)shouldQueue=true.*processing replica.*GC score after GC`
processedRegexp := regexp.MustCompile(processedPattern)

getTableStartKey := func(table string) roachpb.Key {
waitForTableSplit := func() {
testutils.SucceedsSoon(t, func() error {
count := 0
if err := conn.QueryRow(
"SELECT count(*) "+
"FROM crdb_internal.ranges_no_leases "+
"WHERE table_name = $1 "+
"AND database_name = current_database()",
"foo").Scan(&count); err != nil {
return err
}
if count == 0 {
return errors.New("waiting for table split")
}
return nil
})
}

getTableStartKey := func() roachpb.Key {
row := conn.QueryRow(
"SELECT start_key "+
"FROM crdb_internal.ranges_no_leases "+
Expand All @@ -102,7 +124,7 @@ func TestProtectedTimestamps(t *testing.T) {
}

getStoreAndReplica := func() (*kvserver.Store, *kvserver.Replica) {
startKey := getTableStartKey("foo")
startKey := getTableStartKey()
// Okay great now we have a key and can go find replicas and stores and what not.
r := tc.LookupRangeOrFatal(t, startKey)
l, _, err := tc.FindRangeLease(r, nil)
Expand All @@ -112,6 +134,16 @@ func TestProtectedTimestamps(t *testing.T) {
return getFirstStoreReplica(t, lhServer, startKey)
}

waitForRangeMaxBytes := func(maxBytes int64) {
testutils.SucceedsSoon(t, func() error {
_, r := getStoreAndReplica()
if r.GetMaxBytes() != maxBytes {
return errors.New("waiting for range_max_bytes to be applied")
}
return nil
})
}

gcSoon := func() {
testutils.SucceedsSoon(t, func() error {
upsertUntilBackpressure()
Expand All @@ -134,13 +166,16 @@ func TestProtectedTimestamps(t *testing.T) {
return thresh
}

waitForTableSplit()
waitForRangeMaxBytes(tableRangeMaxBytes)

beforeWrites := s0.Clock().Now()
gcSoon()

pts := ptstorage.New(s0.ClusterSettings(), s0.InternalExecutor().(*sql.InternalExecutor),
nil /* knobs */)
ptsWithDB := ptstorage.WithDatabase(pts, s0.DB())
startKey := getTableStartKey("foo")
startKey := getTableStartKey()
ptsRec := ptpb.Record{
ID: uuid.MakeV4().GetBytes(),
Timestamp: s0.Clock().Now(),
Expand Down