系统版本： CentOS Linux release 7.3.1611 (Core) tidb 版本：2.1.14 tidb集群服务器列表： 192.168.144.199 （ansible+monitor） 10.111.9.248 （kv1） 10.111.22.39（kv2） 10.111.9.251（kv3） 10.111.22.49（kv4） 10.111.10.7（kv5） 10.111.9.247（pd1） 10.111.22.40（pd2） 10.111.9.253（pd3） 10.111.9.254（tidb1） 10.111.22.41（tidb2）
./sysbench --mysql-host=$dbhost --mysql-port=$dbport --mysql-user=$dbuser --mysql-password=$dbpassword --mysql-db=$dbname --report-interval=10 --time=2400 --tables=32 --table-size=100000000 --threads=64 /usr/local/sysbench/share/sysbench/oltp_read_write.lua prepare 在执行一段时间之后会报以下错误，观察过tidb相关负载，没有超负荷 sysbench报错信息： FATAL: mysql_drv_query() returned error 2013 (Lost connection to MySQL server during query) for query 'INSERT INTO sbtest15(k, c, pad) VALUES(49911145, ‘59960019663-25640819853-61127355052-74857592073-81131632320-07476102322-33971442005-85214825626-14476366729-17053738700’, ‘26773999302-14104406580-66002275545-36216041739-20895508858’),(50190943, ‘08194771588-40397654250-25818157482-69915154010-03537450975-65104531903-14915353382-21891166098-53109800114-55356327675’, ‘92179704258-91919379900-95094846846-37791369837-56258808698’),(49875250, ‘64180849434-33833696158-73749216091-16785357959-48599870403-51994164071-19642870708-62028591791-55201798802-74717447615’, ‘63350622379-90838743552-86839714846-95050594026-28256695217’),(49787346, ‘84360222834-94321032988-25338183687-51271199443-35104441788-58926811748-46350938460-47089684067-50453659635-77090618817’, ‘66177782919-06339056287-22378179152-67206322546-96372724226’),(54385749, ‘60073396516-35681216257-63533051846-21307370284-65686402462-33503324783-55835394397-98139314985-33006992638-44304412273’, ‘01217916953-54564647365-29862869723-45940157855-25472902185’),(50070872, ‘04570597300-42505056259-45963246780-36044801650-35012145460-79302207157-07773251865-72713854689-52333766255-81897998936’, ‘41558349025-60807047192-82098481522-27071257442-17102687196’),(50171910, ‘13765434577-79097103383-78376925939-90052317100-03496403571-64534928064-07046116375-42333811988-61608846460-59851681701’, ‘31943384235-98745452919-36076354199-19445303822-81685879909’),(49808423, ‘66717958490-55471590184-68060847548-33253476140-92449906063-33425406737-96708856849-40242335005-71301477894-33992115412’, ‘59134031900-08788018391-19360392178-49648836166-69756395509’),(50288912, ‘39573568083-86691807190-06205412702-24733511745-69664530267-07778754524-98886317740-27575874410-60925413345-71069462621’, ‘50015712358-15192926107-91382168815-02817018138-35992125553’),(49817586, ‘36316297494-99950941947-96019241575-26291276730-01230967629-48664661211-19080505770-00900294260-25309905225-29921352224’, ‘67073862877-60216089244-46790303050-03036575005-07261056369’),(50261186, ‘28803112694-56641392895-80644598006-28564113781-42129790536-95575258371-62584991555-55592881526-21156926622-61484478537’, ‘12360975816-56863470412-04622285474-23324267570-84404699658’),(50456589, ‘99971051083-04615472828-70018921521-50973172555-79636149949-24173108254-09426757240-87394306647-90248408596-37952057946’, ‘07474389011-00231286718-74455492680-40680829082-26693878040’),(49880905, ‘41776040420-14869758717-48478087009-15969562928-16854205483-43938685051-66671437519-32867217965-34382723331-08004863306’, ‘41550577960-67298447551-31282160039-51321395060-11179003403’),(50259826, ‘38252346491-99988229133-56807414200-30703471426-44785662348-25427293477-90909062032-06294066223-74829424236-06097591139’, ‘28632098669-54276900146-62593213300-62361913728-41550274676’),(50061782, ‘19999213242-17873218587-32689543080-23267705982-46933376415-84129646875-77591064958-15153835492-94901526694-78100686566’, ‘48508488070-89719031681-06032792388-68060194657-56680821967’),(34746512, ‘28567932413-77504232041-48047109382-25821828793-48312413651-01703227449-16241275025-15952150074-62161976158-62320004695’, ‘64508649888-08466921001-20271407689-45453429336-92072172955’),(39731862, ‘21236993739-96247393957-44962973890-87391555182-38599571570-38634477589-33433346168-78244196236-91112946348-52295592030’, ‘58700706177-24741844232-27490039808-39727243651-15725960772’),(50455459, ‘31368130342-39021642717-46507600455-19375798850-00453532762-05637536075-18775170995-52223117622-80131228549-15599070398’, ‘69041215116-40233089325-84679553514-34079351264-68998010019’),(49772992, ‘38671544679-52168514215-21082333775-88386027254-35429819205-95293723643-05678960966-03446340421-82134096224-88462720880’, ‘43596348119-26099969752-34053255962-24153165618-55234761623’),(50360322, ‘09902259434-91433455683-81738911048-70058794846-98154938936-96100110602-64917573223-03918330392-87120699834-51359250433’, ‘33081549529-53372070067-65562125838-88871821995-59577822961’),(33736763, ‘562670549FATAL: `sysbench.cmdline.call_command’ function failed: /usr/local/sysbench/share/sysbench/oltp_common.lua:230: db_bulk_insert_next() failed
tidb.log信息： [2019/11/06 16:12:43.247 +08:00] [WARN] [txn.go:69] [RunInNewTxn] [“retry txn”=412359842360197127] [“original txn”=412359841639301133] [error="[try again later]: WriteConflict: txnStartTS=412359842360197127, conflictTS=412359842347089923, key=[]byte{0x6d, 0x44, 0x44, 0x4c, 0x4a, 0x6f, 0x62, 0x4c, 0x69, 0xff, 0x73, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c} primary=[]byte{0x6d, 0x44, 0x44, 0x4c, 0x4a, 0x6f, 0x62, 0x4c, 0x69, 0xff, 0x73, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c}"] [errorVerbose=“WriteConflict: txnStartTS=412359842360197127, conflictTS=412359842347089923, key=[]byte{0x6d, 0x44, 0x44, 0x4c, 0x4a, 0x6f, 0x62, 0x4c, 0x69, 0xff, 0x73, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c} primary=[]byte{0x6d, 0x44, 0x44, 0x4c, 0x4a, 0x6f, 0x62, 0x4c, 0x69, 0xff, 0x73, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c} github.com/pingcap/tidb/store/tikv.extractLockFromKeyErr /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/snapshot.go:302 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).prewriteSingleBatch /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:415 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).doActionOnBatches /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:291 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).doActionOnKeys /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:271 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).prewriteKeys /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:594 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).execute /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:646 github.com/pingcap/tidb/store/tikv.(*twoPhaseCommitter).executeAndWriteFinishBinlog /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/2pc.go:606 github.com/pingcap/tidb/store/tikv.(*tikvTxn).Commit /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/store/tikv/txn.go:237 github.com/pingcap/tidb/kv.RunInNewTxn /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/kv/txn.go:64 github.com/pingcap/tidb/ddl.(*ddl).addDDLJob /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/ddl/ddl_worker.go:196 github.com/pingcap/tidb/ddl.(*ddl).doDDLJob /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/ddl/ddl.go:502 github.com/pingcap/tidb/ddl.(*ddl).CreateTable /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/ddl/ddl_api.go:1170 github.com/pingcap/tidb/executor.(*DDLExec).executeCreateTable /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/executor/ddl.go:167 github.com/pingcap/tidb/executor.(*DDLExec).Next /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/executor/ddl.go:93 github.com/pingcap/tidb/executor.Next /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/executor/executor.go:185 github.com/pingcap/tidb/executor.(*ExecStmt).handleNoDelayExecutor /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/executor/adapter.go:299 github.com/pingcap/tidb/executor.(*ExecStmt).Exec /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/executor/adapter.go:245 github.com/pingcap/tidb/session.runStmt /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/session/tidb.go:198 github.com/pingcap/tidb/session.(*session).executeStatement /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/session/session.go:831 github.com/pingcap/tidb/session.(*session).execute /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/session/session.go:901 github.com/pingcap/tidb/session.(*session).Execute /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/session/session.go:850 github.com/pingcap/tidb/server.(*TiDBContext).Execute /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/server/driver_tidb.go:242 github.com/pingcap/tidb/server.(*clientConn).handleQuery /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/server/conn.go:933 github.com/pingcap/tidb/server.(*clientConn).dispatch /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/server/conn.go:667 github.com/pingcap/tidb/server.(*clientConn).Run /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/server/conn.go:504 github.com/pingcap/tidb/server.(*Server).onConn /home/jenkins/workspace/release_tidb_2.1-ga/go/src/github.com/pingcap/tidb/server/server.go:383 runtime.goexit /usr/local/go/src/runtime/asm_amd64.s:1337 [try again later]”] [2019/11/06 16:12:43.255 +08:00] [INFO] [2pc.go:635] [“2PC clean up done”] [txnStartTS=412359842360197127]
