Re: pre heat cache

2016-02-18 Thread Mark Andrews
In message <20160218185957.ga2...@mycre.ws>, Robert Edmonds writes: > Tony Finch wrote: > > Tony Finch wrote: > > > > > > Funnily enough I recently wrote a tool to do this but I have been failing > > > to publish a blog article about it... Have a look at this: > > > https://git.csx.cam.ac.uk/x/uc

Re: pre heat cache

2016-02-18 Thread Tony Finch
> On 18 Feb 2016, at 18:59, Robert Edmonds wrote: > > A large proportion of records are only ever used "once, or a handful of > times", according to researchers: [...] Yes, and there's an amazing amount of crap in the cache too. About 14% of our cache is weird Sonicwall geoip records, which a

Re: pre heat cache

2016-02-18 Thread Robert Edmonds
Tony Finch wrote: > Tony Finch wrote: > > > > Funnily enough I recently wrote a tool to do this but I have been failing > > to publish a blog article about it... Have a look at this: > > https://git.csx.cam.ac.uk/x/ucs/ipreg/adns-masterfile.git > > Longer blurb now published at: http://fanf.livej

Re: pre heat cache

2016-02-18 Thread Tony Finch
Tony Finch wrote: > > Funnily enough I recently wrote a tool to do this but I have been failing > to publish a blog article about it... Have a look at this: > https://git.csx.cam.ac.uk/x/ucs/ipreg/adns-masterfile.git Longer blurb now published at: http://fanf.livejournal.com/141030.html Tony. --

Re: pre heat cache

2016-02-18 Thread Tony Finch
William Taylor wrote: > Is there anyway to pre-heat the cache in bind on startup besides having > a custom script that did a bunch of queries on top hosts? Funnily enough I recently wrote a tool to do this but I have been failing to publish a blog article about it... Have a look at this: https:/

Re: pre heat cache

2016-02-17 Thread bert hubert
On Wed, Feb 17, 2016 at 11:31:54AM -0800, William Taylor wrote: > Is there anyway to pre-heat the cache in bind on startup besides having > a custom script that did a bunch of queries on top hosts? > I know you can dump it with rndc but can you load it back ? One way to achieve this is to have two

Re: pre heat cache

2016-02-17 Thread Evan Hunt
> Is there anyway to pre-heat the cache in bind on startup besides having > a custom script that did a bunch of queries on top hosts? > I know you can dump it with rndc but can you load it back ? Technically yes, but the option that can do it was only implemented for testing purposes. Using it in

Re: pre heat cache

2016-02-17 Thread Mukund Sivaraman
On Wed, Feb 17, 2016 at 11:31:54AM -0800, William Taylor wrote: > Is there anyway to pre-heat the cache in bind on startup besides having > a custom script that did a bunch of queries on top hosts? > I know you can dump it with rndc but can you load it back ? It used to be possible to load the cac

pre heat cache

2016-02-17 Thread William Taylor
Is there anyway to pre-heat the cache in bind on startup besides having a custom script that did a bunch of queries on top hosts? I know you can dump it with rndc but can you load it back ? -- William Taylor Senior Systems Engineer http://sonic.com 707.522.1000 ext 2276 _