[erlang-questions] Does Mnesia table fragmentation still support in the furture version?

tatezhou@REDACTED tatezhou@REDACTED
Tue Mar 4 14:23:39 CET 2008

For the first issue about change_table_frag/4,  i  made a mistake . The example only invoked change_table_frag/2 not change_table_frag/4. 
I've checked the document ,  Although function change_table_frag/2 doesn't describe in document, it exported in the source code (mnesia.erl). 

The article http://www.trapexit.org/Mnesia_Table_Fragmentation is a good guide to get start mnesia table fragmentation. thanks

A special tips for chinese guys ,  http://www.trapexit.org may does not accessable in china directly , You may need a web proxy. i don't known the reason.



----- Original Message ----- 
From: "Chandru" <chandrashekhar.mullaparthi@REDACTED>
To: <tatezhou@REDACTED>; "Erlang Questions" <erlang-questions@REDACTED>
Sent: Tuesday, March 04, 2008 6:14 PM
Subject: Re: [erlang-questions] Does Mnesia table fragmentation still support in the furture version?

> On 04/03/2008, tatezhou@REDACTED <tatezhou@REDACTED> wrote:
>> I've checked the latest version of document , i found out that chapter about  mnesia table fragmentation (chapter 5.3.1 ) is out of date.
>>  Acctually , mnesia module doesn't have function change_table_frag /4 which introduced in the example of how an existing Mnesia table is converted to be a fragmented table in chapter 5.3.1.
> I just checked the documentation and the example only invoked
> mnesia:change_table_frag/2, not change_table_frag/4. Are you sure you
> are reading it correctly? And mnesia:change_table_frag/2 does exist.
> It is true that change_table_frag/2 is not documented in the reference
> manual, but the stuff in the user manual should be enough to get the
> job done.
>>  So i worried that the Mnesia Table Fragmentation technology is  deprecated or lacking maintenance. Anyone have more staff about table fragmentation technology?
> Just the documentation needs a bit more work. If you ask me, the best
> way is to fire up the shell and try out creating and using a
> fragmented table.
> There is this article which explains things a bit more:
> http://www.trapexit.org/Mnesia_Table_Fragmentation
> cheers
> Chandru

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