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[Db2] 11.5.9: db2diag.log への診断情報の追加がパフォーマンスに影響することがある

Troubleshooting


Problem

Db2 11.5.9 適用後、カラム・オーガナイズ表へアクセスするアプリケーションが大幅に遅延することがあります。
このとき、db2diag.log へは以下の FUNCTION で大量のメッセージが出力されます。
出力例:
FUNCTION: DB2 UDB, CDE Data, TableInserter::handleTailPageZero, probe:817
DATA #1 : String, 64493 bytes

Document Location

Worldwide

Operating System

AIX:All operating systems listed

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"ARM Category":[{"code":"a8m3p0000008uDiAAI","label":"BLU\/CDE-\u003EStorage"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.5.9","Type":"MASTER"}]

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Document Information

Modified date:
01 May 2025

UID

ibm17122714