Tag Archives: Buffer cache hit ratio

Buffer cache hit ratio – How useful it is?

Buffer cache hit ratio(BCHR) : Well every dba who has ever done any Performance tuning work would know about this particular counter. So what is BCHR: Percentage of pages that were found in the buffer pool without having to incur a read from disk.

And how much guidance does it give us….

Well to know that i had to share this great article from . I read this article on http://www.simple-talk.com. Read the article and challenge your understanding of BCHR once again.

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