[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-09-04 UTC。"],[[["\u003cp\u003eThis document outlines various wait events captured in AlloyDB Omni performance snapshot reports, which can be used to help diagnose database performance issues.\u003c/p\u003e\n"],["\u003cp\u003eWait events are categorized into two main classes: IPC (Inter-Process Communication) and I/O (Input/Output), with IPC events relating to worker communication and I/O events concerning disk and storage operations.\u003c/p\u003e\n"],["\u003cp\u003eThe wait events include specific scenarios like shared memory block management, transaction ID management, logging activities, cache interactions, and storage-related operations.\u003c/p\u003e\n"],["\u003cp\u003eSeveral wait events relate to Write-Ahead Logging (WAL), covering activities such as flushing, segment switching, and interactions with the WAL buffer.\u003c/p\u003e\n"],["\u003cp\u003eReaders can use the provided link to further optimize database performance by comparing snapshots, offering a practical next step after understanding these wait events.\u003c/p\u003e\n"]]],[],null,["# Database performance snapshot report reference\n\nSelect a documentation version: 15.7.0keyboard_arrow_down\n\n- [Current (16.8.0)](/alloydb/omni/current/docs/reference/database-performance-snapshot-report-reference)\n- [16.8.0](/alloydb/omni/16.8.0/docs/reference/database-performance-snapshot-report-reference)\n- [16.3.0](/alloydb/omni/16.3.0/docs/reference/database-performance-snapshot-report-reference)\n- [15.12.0](/alloydb/omni/15.12.0/docs/reference/database-performance-snapshot-report-reference)\n- [15.7.1](/alloydb/omni/15.7.1/docs/reference/database-performance-snapshot-report-reference)\n- [15.7.0](/alloydb/omni/15.7.0/docs/reference/database-performance-snapshot-report-reference)\n\n\u003cbr /\u003e\n\nThis document describes wait events in AlloyDB Omni performance snapshot reports. For more information, see [Optimize database performance by comparing database snapshots](/alloydb/omni/15.7.0/docs/optimize-database-performance-compare-snapshots).\n\n\u003cbr /\u003e\n\nWait events in snapshot reports\n-------------------------------\n\nThe following table describes wait events that are supported by\nAlloyDB Omni performance snapshot reports. You can\nuse wait events to help you identify performance issues and bottlenecks in your\ndatabase.\n\nWhat's next\n-----------\n\n- [Optimize database performance by comparing database snapshots](/alloydb/omni/15.7.0/docs/optimize-database-performance-compare-snapshots)."]]