br fail to restore due to entry too large #39029
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
restore a dataset with 50k tables as below
tiup br:v6.1.1 restore db --db=bank50k --pd xxx --storage xxx --s3.endpoint xxx --send-credentials-to-tikv=true --check-requirements=false
2. What did you expect to see? (Required)
[2022/11/09 17:24:53.607 +08:00] [WARN] [glue.go:199] ["batch create table from tidb failure"] [error="[kv:8025]entry too large, the max entry size is 6291456, the size of data is 7314276"] [errorVerbose="[kv:8025]entry too large, the max entry size is 6291456, the size of data is 7314276\ngithub.com/pingcap/errors.AddStack\n\t/go/pkg/mod/github.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.Trace\n\t/go/pkg/mod/github.com/pingcap/[email protected]/juju_adaptor.go:15\ngithub.com/pingcap/tidb/ddl.(*ddl).DoDDLJob\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/ddl/ddl.go:704\ngithub.com/pingcap/tidb/ddl.(*ddl).BatchCreateTableWithInfo\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/ddl/ddl_api.go:2451\ngithub.com/pingcap/tidb/br/pkg/gluetidb.(*tidbSession).CreateTables\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/gluetidb/glue.go:194\ngithub.com/pingcap/tidb/br/pkg/restore.(*DB).CreateTables\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/restore/db.go:292\ngithub.com/pingcap/tidb/br/pkg/restore.(*Client).createTables\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/restore/client.go:609\ngithub.com/pingcap/tidb/br/pkg/restore.(*Client).createTablesInWorkerPool.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/restore/client.go:799\ngithub.com/pingcap/tidb/br/pkg/utils.(*WorkerPool).ApplyWithIDInErrorGroup.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/utils/worker.go:82\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\t/go/pkg/mod/golang.org/x/[email protected]/errgroup/errgroup.go:74\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1571"]
[2022/11/09 17:24:53.607 +08:00] [ERROR] [client.go:806] ["create tables fail"] [stack="github.com/pingcap/tidb/br/pkg/restore.(*Client).createTablesInWorkerPool.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/restore/client.go:806\ngithub.com/pingcap/tidb/br/pkg/utils.(*WorkerPool).ApplyWithIDInErrorGroup.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/utils/worker.go:82\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\t/go/pkg/mod/golang.org/x/[email protected]/errgroup/errgroup.go:74"]
3. What did you see instead (Required)
restore error and br not completed
4. What is your TiDB version? (Required)
br and tidb are both v6.1.1