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Signed-off-by: Priya Bibra <pbibra@slack-corp.com>
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| @@ -0,0 +1,156 @@ | ||
| /* | ||
| Copyright 2022 The Vitess Authors. | ||
| 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 vreplication | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "strconv" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
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| "vitess.io/vitess/go/vt/log" | ||
| binlogdatapb "vitess.io/vitess/go/vt/proto/binlogdata" | ||
| topodatapb "vitess.io/vitess/go/vt/proto/topodata" | ||
| vtgatepb "vitess.io/vitess/go/vt/proto/vtgate" | ||
| "vitess.io/vitess/go/vt/vtgate/vtgateconn" | ||
| ) | ||
|
|
||
| // TestVSchemaChangesUnderLoad tests vstreamer under a load of high binlog events and simultaneous multiple vschema changes | ||
| // see https://github.com/vitessio/vitess/issues/11169 | ||
| func TestVSchemaChangesUnderLoad(t *testing.T) { | ||
|
|
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| extendedTimeout := defaultTimeout * 4 | ||
|
|
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| defaultCellName := "zone1" | ||
| allCells := []string{"zone1"} | ||
| allCellNames = "zone1" | ||
| vc = NewVitessCluster(t, "TestVSchemaChanges", allCells, mainClusterConfig) | ||
|
|
||
| require.NotNil(t, vc) | ||
|
|
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| defer vc.TearDown(t) | ||
|
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| defaultCell = vc.Cells[defaultCellName] | ||
| vc.AddKeyspace(t, []*Cell{defaultCell}, "product", "0", initialProductVSchema, initialProductSchema, 1, 0, 100, sourceKsOpts) | ||
| vtgate = defaultCell.Vtgates[0] | ||
| require.NotNil(t, vtgate) | ||
| vtgate.WaitForStatusOfTabletInShard(fmt.Sprintf("%s.%s.primary", "product", "0"), 1) | ||
| vtgate.WaitForStatusOfTabletInShard(fmt.Sprintf("%s.%s.replica", "product", "0"), 1) | ||
| vtgateConn = getConnection(t, vc.ClusterConfig.hostname, vc.ClusterConfig.vtgateMySQLPort) | ||
| defer vtgateConn.Close() | ||
|
|
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| // ch is used to signal that there is significant data inserted into the tables and when a lot of vschema changes have been applied | ||
| ch := make(chan bool, 1) | ||
|
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| ctx := context.Background() | ||
| initialDataInserted := false | ||
| startCid := 100 | ||
| warmupRowCount := startCid + 2000 | ||
| insertData := func() { | ||
| timer := time.NewTimer(extendedTimeout) | ||
| defer timer.Stop() | ||
| log.Infof("Inserting data into customer") | ||
| cid := startCid | ||
| for { | ||
| if !initialDataInserted && cid > warmupRowCount { | ||
| log.Infof("Done inserting initial data into customer") | ||
| initialDataInserted = true | ||
| ch <- true | ||
| } | ||
| query := fmt.Sprintf("insert into customer(cid, name) values (%d, 'a')", cid) | ||
| _, _ = vtgateConn.ExecuteFetch(query, 1, false) | ||
| cid++ | ||
| query = "update customer set name = concat(name, 'a')" | ||
| _, _ = vtgateConn.ExecuteFetch(query, 10000, false) | ||
| select { | ||
| case <-timer.C: | ||
| log.Infof("Done inserting data into customer") | ||
| return | ||
| default: | ||
| } | ||
| } | ||
| } | ||
| go func() { | ||
| log.Infof("Starting to vstream from replica") | ||
| vgtid := &binlogdatapb.VGtid{ | ||
| ShardGtids: []*binlogdatapb.ShardGtid{{ | ||
| Keyspace: "product", | ||
| Shard: "0", | ||
| Gtid: "", | ||
| }}} | ||
|
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| filter := &binlogdatapb.Filter{ | ||
| Rules: []*binlogdatapb.Rule{{ | ||
| Match: "customer", | ||
| Filter: "select * from customer", | ||
| }}, | ||
| } | ||
| conn, err := vtgateconn.Dial(ctx, net.JoinHostPort("localhost", strconv.Itoa(vc.ClusterConfig.vtgateGrpcPort))) | ||
| require.NoError(t, err) | ||
| defer conn.Close() | ||
|
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| flags := &vtgatepb.VStreamFlags{} | ||
|
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| ctx2, cancel := context.WithTimeout(ctx, extendedTimeout/2) | ||
| defer cancel() | ||
| reader, err := conn.VStream(ctx2, topodatapb.TabletType_REPLICA, vgtid, filter, flags) | ||
| require.NoError(t, err) | ||
| _, err = reader.Recv() | ||
| require.NoError(t, err) | ||
| log.Infof("About to sleep in vstreaming to block the vstream Recv() channel") | ||
| time.Sleep(extendedTimeout) | ||
| log.Infof("Done vstreaming") | ||
| }() | ||
|
|
||
| go insertData() | ||
| <-ch // wait for enough data to be inserted before ApplyVSchema | ||
| const maxApplyVSchemas = 20 | ||
| go func() { | ||
| numApplyVSchema := 0 | ||
| timer := time.NewTimer(extendedTimeout) | ||
| defer timer.Stop() | ||
| log.Infof("Started ApplyVSchema") | ||
| for { | ||
| if err := vc.VtctlClient.ExecuteCommand("ApplyVSchema", "--", "--vschema={}", "product"); err != nil { | ||
| log.Errorf("ApplyVSchema command failed with %+v\n", err) | ||
| return | ||
| } | ||
| numApplyVSchema++ | ||
| if numApplyVSchema > maxApplyVSchemas { | ||
| ch <- true | ||
| } | ||
| select { | ||
| case <-timer.C: | ||
| log.Infof("Done ApplyVSchema") | ||
| ch <- true | ||
| return | ||
| default: | ||
| time.Sleep(defaultTick) | ||
| } | ||
| } | ||
| }() | ||
|
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| <-ch // wait for enough ApplyVSchema calls before doing a PRS | ||
| if err := vc.VtctlClient.ExecuteCommand("PlannedReparentShard", "--", "--keyspace_shard", "product/0", | ||
| "--new_primary", "zone1-101", "--wait_replicas_timeout", defaultTimeout.String()); err != nil { | ||
| require.NoError(t, err, "PlannedReparentShard command failed") | ||
| } | ||
| } |
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