Re: I have a quick question about exporting or dumping a database.

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From	Florian Weimer <fw@deneb.enyo.de>
Newsgroups	comp.databases.berkeley-db
Subject	Re: I have a quick question about exporting or dumping a database.
Date	Fri, 10 Aug 2012 22:42:37 +0200
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* jeff:

> I have reason to believe that I am pushing the limits of the hard
> drive IO even though the drives I am using are not exactly slow, but
> the results of trying to copy does not seem to be effected by other
> virtual machines running on that system. From other tests that I have
> done I have verified that memory, and CPU are not being used much at
> all, but the IO on the hard drive, mostly waiting for random seeks
> might be causing problems.

Yes, Berkeley DB has a known bug which causes horrendous file system
fragmentation in its database files.  Reading them sequentially is
very, very slow, even on beefy disk arrays.

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Thread

I have a quick question about exporting or dumping a database. jeff <thexder1@gmail.com> - 2012-08-09 19:32 -0700
  Re: I have a quick question about exporting or dumping a database. Florian Weimer <fw@deneb.enyo.de> - 2012-08-10 20:34 +0200
    Re: I have a quick question about exporting or dumping a database. jeff <thexder1@gmail.com> - 2012-08-10 13:20 -0700
      Re: I have a quick question about exporting or dumping a database. Florian Weimer <fw@deneb.enyo.de> - 2012-08-10 22:42 +0200

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