本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 調校 RDS for PostgreSQL 的等待事件
<a name="PostgreSQL.Tuning"></a>

等待事件是 RDS for PostgreSQL 的重要調校工具。如果您了解工作階段為何等待資源及其運作情形，就更能夠減少瓶頸。您可以使用本節的資訊來尋找可能的原因和更正動作。本節也討論基本 PostgreSQL 調校概念。

本節中的等待事件專屬於 RDS for PostgreSQL。

**Topics**
+ [RDS for PostgreSQL 調校的基本概念](PostgreSQL.Tuning.concepts.md)
+ [RDS for PostgreSQL 等待事件](PostgreSQL.Tuning.concepts.summary.md)
+ [Client:ClientRead](wait-event.clientread.md)
+ [Client:ClientWrite](wait-event.clientwrite.md)
+ [CPU](wait-event.cpu.md)
+ [IO:BufFileRead 和 IO:BufFileWrite](wait-event.iobuffile.md)
+ [IO:DataFileRead](wait-event.iodatafileread.md)
+ [IO:WALWrite](wait-event.iowalwrite.md)
+ [IPC:parallel 等待事件](rpg-ipc-parallel.md)
+ [IPC:ProcArrayGroupUpdate](apg-rpg-ipcprocarraygroup.md)
+ [Lock:advisory](wait-event.lockadvisory.md)
+ [Lock:extend](wait-event.lockextend.md)
+ [Lock:Relation](wait-event.lockrelation.md)
+ [Lock:transactionid](wait-event.locktransactionid.md)
+ [Lock:tuple](wait-event.locktuple.md)
+ [LWLock:BufferMapping (LWLock:buffer\$1mapping)](wait-event.lwl-buffer-mapping.md)
+ [LWLock:BufferIO (IPC:BufferIO)](wait-event.lwlockbufferio.md)
+ [LWLock:buffer\$1content (BufferContent)](wait-event.lwlockbuffercontent.md)
+ [LWLock:lock\$1manager (LWLock:lockmanager)](wait-event.lw-lock-manager.md)
+ [LWLock:pg\$1stat\$1statements](apg-rpg-lwlockpgstat.md)
+ [LWLock：SubtransSLRU (LWLock：SubtransControlLock)](wait-event.lwlocksubtransslru.md)
+ [Timeout:PgSleep](wait-event.timeoutpgsleep.md)
+ [Timeout:VacuumDelay](wait-event.timeoutvacuumdelay.md)