JINMEI Tatuya / ???? wrote: > At Fri, 08 Aug 2008 14:24:31 -0500, > Walter Gould <[EMAIL PROTECTED]> wrote: > > >>> I guess we need more information to diagnose: >>> >>> - your detailed configuration (named.conf) >>> >>> >> Jinmei, >> >> See our attached named.conf file. >> > > I have a couple of suggestions: > > 1. you should specify a larger max-cache-size in named.conf. the > default size of 9.5.0 (32MB) is normally too conservative for a > busy server with many clients, reducing cache hit rate and making > the server busier, and possibly triggering subsequent performance > troubles as a result. > 2. #1 may be sufficient for you, but you may also want to raise > recursive-clients (whose default is 1000) to some reasonable large > value (e.g., 10000). I suspect the primary reason for the SERVFAIL > in your case is that the server hits the recursive-clients quota. > I suspect the server left warning messages like ""no more recursive > clients: ...". Raising recursive-clients will at least solve this > issue. > > --- > JINMEI, Tatuya > Internet Systems Consortium, Inc. > >
So, why would we have not had these same issues arise six months or a year ago? Do you think it is related to upgrading to these newer BIND versions or possibly just a timing coincidence? Thanks again, Walter
