DB2 - Problembeschreibung
Problem IT07268 | Status: Geschlossen |
INCORRECT RUNTIME STQ STATISTICS WITH DB2TRC -M CDE_PERF_TRACE | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problembeschreibung: | |
Collecting performance trace for CDE queries with db2trc -M CDE_PERF_TRACE generates incorrect runtime STQ statistics. The problem exists in V10.5FP5 only. For example this query takes 99s total to execute, these STQs are collected: STQ: "CQWCOL"."DATE_DIM":262148:A2 RuntimeStats: SCAN:4929.00/72(19) SCAN-POST:2.00/0(1) PREF:30955.00/72(27) PREF_SUCCESS:30237.00/1(1) CKRS:1742.00/72(2) PREF:83.00/72(27) LEAF.RI4:309483.00/72(2) LEAF_PRED.RI4:67.00/72(3) WHER:57.00/72(2) PREF:30.00/72(27) LEAF.RI4:14121.00/72(2) LEAF_PRED.RI4:18.00/72(3) WHER:13.00/72(2) PREF:22.00/45(27) LCOV.I8:129708.00/45(2) LCOV_UNK.I8:50656.00/45(3) LCOV_SLOAD.I8:50696.00/48(3) PREF:28.00/45(27) LCOV.I8:144.00/45(2) LCOV_UNK.I8:58.00/45(3) LCOV_SLOAD.I8:66.00/48(3) BTSN:3344177.00/45(2798) PREF:8094.00/46080(2799) PREF_SUCCESS:103.00/1(1) CKRS:52505.00/46080(13) PREF:4945.00/46080(2800) PREF_SUCCESS:92.00/1(1) LEAF.RI4:116566.00/46080(13) LEAF_PRED.RI4:905.00/46080(15) WHER:276.00/46080(13) PREF:4305.00/46079(2800) LEAF.RI4:3994.00/46079(13) LEAF_PRED.RI4:689.00/46080(15) WHER:174.00/46079(13) PREF:3872.00/36523(2812) PREF_SUCCESS:67.00/1(1) LCOV.I4:242978.00/36523(12) LCOV_SLOAD.I4:1176.00/36568(30) ENPK:17682.00/36523(12) CCAT:15655.00/36523(12) HASH:921.00/36523(12) BJF.18:622.00/36523(12) BJF-POST.18:537.00/0(17) SURR:15.00/36523(12) PREF:4799.00/36523(2828) LCOG.I4:6762.00/36523(12) LCOG_SLOAD.I4:86.00/1832(4) ENAX.I4:511.00/36523(12) CCAT:7064.00/36523(12) PART:109189.00/36523(2828) BHT.630KB:48.00/36523(12) BHT-POST.630KB:513895.00/36523(17) EvalOther:77445.00/72(16) Eval:5128743.00/72(16) BOUNDARY:100395.00/0(32) FormEval:75110.00/0(1) CloneEval:39991.00/0(16) PostProc:954485.00/72(16) WallClock:748991.00/0(1) STQ: "CQWCOL"."STORE_SALES":917508:A1 RuntimeStats: SCAN:9432.00/1687478(841) SCAN-POST:2.00/0(1) PREF:195385.00/1687478(950) PREF_SUCCESS:7829726.00/175(122) CKRS:245414.00/1687478(462) PREF:21994.00/1687478(971) PREF_SUCCESS:1895864.00/46(33) LEAF.RI4:516021.00/1687478(362) LEAF_PRED.RI4:3698.00/1687478(825) WHER:6136.00/1687478(362) PREF:15159.00/1687478(985) PREF_SUCCESS:933193.00/191(38) LEAF.RI4:294880.00/1687478(238) LEAF_PRED.RI4:50962.00/1687478(871) WHER:7397.00/1687478(264) PREF:22024.00/1687478(1101) PREF_SUCCESS:5410355.00/686(80) LCOV.I8:662774.00/1687478(78) LCOV_UNK.I8:14.00/607(1) LCOV_SLOAD.I8:46390.00/1688476(1156) PREF:1852.00/1687478(1101) LCOV.I8:94560.00/1687478(78) LCOV_UNK.I8:78.00/607(1) LCOV_SLOAD.I8:34380.00/1688476(1156) BTSN:490549.00/1687478(52801) PREF:112785275.00/1727976454(136573) PREF_SUCCESS:251616313.00/40571(13148) PREF_TIMEOUT:1214985.00/54(17) CKRS:8356431.00/1727976454(11457) PREF:2031456.00/1727976454(136976) PREF_SUCCESS:249757684.00/84102(4160) PREF_TIMEOUT:200466.00/105(7) LEAF.RI4:16228239.00/1727976454(13236) LEAF_PRED.RI4:9180573.00/1727976454(129774) WHER:551351.00/1727976454(52735) PREF:290629.00/656460434(185761) LCOG.I4:14570292.00/656460434(52735) LCOG_SLOAD.I4:6370889.00/519646424(102737) CCAT:366245.00/656460434(52735) HASH:6446965.00/656460434(52735) JFLT.18:211371.00/35118154(2821)[621342280] WHER:23719.00/35118154(2821)[621342280] SURR:71716.00/656460434(52735) GJP:38892890.00/656460434(52735) PREF:3835025.00/656460434(186256) PREF_SUCCESS:589808817.00/183565(13077) PREF_TIMEOUT:636651.00/234(16) LCOG.I4:41412092.00/656460434(11266) LCOG_SLOAD.I4:8465399.00/546764184(406577) EXTR:11887447.00/656460434(26542) CCAT:20381344.00/656460434(26542) HASH:8469974.00/656460434(26542) PREF:1889866.00/656460434(202472) PREF_SUCCESS:187487768.00/63903(6569) PREF_TIMEOUT:435207.00/39(4) LCOV.I4:30382498.00/656460434(6727) LCOV_SLOAD.I4:7409439.00/520485480(83769) CAST:14817141.00/656460434(26395) LGHT.E1U1P1:255687513.00/656460434(222393) LGHT-POST.E1U1P1:133498632.00/15564108(1002) LGHT_EMERGE:53236654.00/429680640(243707) LGHT_VECT:10854895.00/15564108(64) SUM.D2:18288721.00/656460434(42239) EvalOther:12273832.00/1687478(16) Eval:852139943.00/1687478(16) BOUNDARY:95905700.00/0(16) FormEval:8016.00/0(1) CloneEval:18613.00/0(16) ConsumeWait:74013785.00/0(56) PostProc:236766145.00/1687478(16) WallClock:55575004.00/0(1) | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * All * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 UDB Version 10.5 Fix Pack 6 * **************************************************************** | |
Local-Fix: | |
Lösung | |
First fix in DB2 UDB Version 10.5 Fix Pack 6 | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 19.02.2015 26.08.2015 26.08.2015 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version | |
10.5.0.6 |