What is an asynchronous write?

. It is a write to disk that may occur before or long after a commit. The write is controlled by the buffer manager.
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Sandhya.Kishan

  • Apr 6th, 2012
 

Asynchronous write is a function where the the function call immediately returns after the operation was enqueued or if before this happens an error was encountered.This function is present in "aio.h" header file.

Syntax:
int aio_write(struct aiocb *aiocbp);

here the aio_write() function queues the I/O request described by the buffer pointed to by aiocb.

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krsna

  • Jun 7th, 2012
 

Asynchronous write is when the pages from bufferpool is written to disk by the page cleaners.

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