[Date Prev][Date Next] [Chronological] [Thread] [Top]

RE: 2.1.17 performance issues

> -----Original Message-----
> From: xoror@infuse.org [mailto:xoror@infuse.org]

> This is interesting. BDB stores al values in tuples of
> ("key","value"). in
> essential these are index lookups that should be fast. An extra
> environnement cache wouldn't be nessecary right ? The cache
> lookups are
> also similar to index loookups (get entry fron page given key). If the
> whole cache was stored in memory then i could understand why this is
> faster, But bdb stores this file by defualt on disk....
> i'm still trying to answer this question, uhm anyone got an idea ?

Read the SleepyCat BDB documentation. There's much more involved than a
simple "index lookup" and it's beyond the scope of this mailing list to teach
you how databases work.

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc
  Symas: Premier OpenSource Development and Support