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From:Steve Meyers Date:January 13 2011 11:09pm
Subject:Re: I/O read performance
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On 1/13/11 3:51 PM, Reindl Harald wrote:
> Are you sure that the lags are really the query and not the connection?
>
> I have seen on a windows server with ipv7 large lags because mysql
> treid by every connect to make a dns-reverse-lookup first on ipv6
> and after fail ipv4
>
> "skip-name-resolve" in the mysql-config did the trick, but make
> sure that there are up-addresses instead of hostnames in
> the permissions-tables before try this

This is a very good point, I hadn't thought of this.  I always have name 
resolution turned off in my configs.
Thread
I/O read performanceSteve Staples13 Jan
  • Re: I/O read performanceJohnny Withers13 Jan
  • Re: I/O read performanceMichael Dykman13 Jan
    • Re: I/O read performanceSteve Staples13 Jan
      • Re: I/O read performanceSteve Meyers13 Jan
        • Re: I/O read performanceSteve Staples13 Jan
          • Re: I/O read performanceSteve Meyers13 Jan
          • Re: I/O read performanceReindl Harald13 Jan
            • Re: I/O read performanceSteve Meyers14 Jan
re: I/O read performancePeter Brawley13 Jan