From: Rick James Date: January 16 2010 12:54am Subject: Re: query cache extension List-Archive: http://lists.mysql.com/internals/37646 Message-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Will your proposed changes decrease the time (or frequency) during which the QC is locked by its Mutex? -- Rick James MySQL Geek > From: Amila Liyanaarachchi > Date: Fri, 11 Dec 2009 19:28:18 +0530 > To: > Subject: Re: query cache extension > > Hi, > > I want to see the performance differences (with various read, write > ratios) between a pure query cache implementation and a modified query > cache implementation. The intended modification is to allow the query > cache to cache the queries after parsing (now it just caches the query > before doing a processing) but what I wanted to see is how it behaves > if we parse and store the query (then semantically identical queries > will be identified as identical which is not the case now). > > Does anybody tried something like this before, which I can use as an > start to my work? > It'll be great if anybody can give some feedback on this about where > to start it. > > Thanks, > Amila > > -- > MySQL Internals Mailing List > For list archives: http://lists.mysql.com/internals > To unsubscribe: http://lists.mysql.com/internals?unsub=rjames@stripped >