Re: [Jdbm-general] Fwd: re: jdbm2 mailing list; jdbm corruption

Fri, 13 Aug 2010 06:50:20 -0700

Yes - my understanding is that the jdbm2 files are much, much more efficiently managed than the jdbm1 files (and a lot faster as well).
 
I'll be interested to see if you experience any corruption along that front.  I realize that this isn't exactly what you wanted to hear (looking for a single-file solution)...  Thanks for running the test.
 
- K
 
----------------------- Original Message -----------------------
  
From: Jim Newsham <[email protected]>
Cc: 
Date: Thu, 12 Aug 2010 17:42:17 -1000
Subject: Re: [Jdbm-general] Fwd: re:  jdbm2 mailing list; jdbm corruption
  
On 8/12/2010 1:48 PM, Jim Newsham wrote:
On 8/12/2010 12:59 PM, Jim Newsham wrote:
Would you be willing to run the same test on the jdbm2 codebase?  It would interesting to know if the problem exists in both places (if it does, it would give at least a hint of where the problem is coming from).
 
  Sure, I'll give that a try.

Ok I'm running the same test for jdbm2 right now.  There were some very minor api changes, but basically the same code.  I'll report back on the results when I have them.  I immediately noticed that the check() method runs in faster -- in 10ms as opposed to 25ms for jdbm1.

The jdbm2 test has been running for 26,845 iterations and counting.  No problem yet.  Interestingly, the db files total 1.6mb, whereas the jdbm1 test files were 90mb after 12,500 iterations.

I'm going to let it continue to run.

Jim

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