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From "Gerhard Froehlich" <>
Subject RE: [VOTE] adding Jisp based Store persistence to the Scratchpad
Date Wed, 12 Dec 2001 16:09:06 GMT

>-----Original Message-----
>From: Peter Royal []
>Sent: Wednesday, December 12, 2001 5:01 PM
>Subject: Re: [VOTE] adding Jisp based Store persistence to the
>On Wednesday 12 December 2001 09:13 am, you wrote:
>> >What would be the benefits of using B-Tree indexed file vs filesystem
>> >directory?
>> - When you have many files in one directory that can be problematic
>> for maintainence.
>> - Some Caching system like Squid split that up into the different
>> subdirectories, others hold the data in one file.
>> - With this Implementation we would be able to turn -if wished-
>> the MRUMemoryStore (or something equal) off and use only the Filesystem
>> for Storing. Maybe for machines with limited memory,.... For this approach
>> you need some speedy access for the data on the FS.
>> - Multiple indexes per data file, so you can access data with
>> a variety of criteria.
>> - Indexed data does not need to be homogenous; data files can contain
>> mixed serialized types, all using the same indexes.
>> - 100% portable between platforms.
>> - ...
>- No problems with filenames that exceed target platform limitations :)
>A deep cacheable pipeline can generate a very long FS store key.

Yepp :)!

Calvin: People think it must be fun to be a super genius, but they
don't realize how hard it is to put up with all the idiots in the 
Hobbes: Isn't your pants' zipper supposed to be in the front?

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