Hi John,

On Apr 11, 2010, at 11:49 AM, John Knutson wrote:

> Quincey Koziol wrote:
>> Hi John,
>> 
>> On Apr 9, 2010, at 10:44 AM, John Knutson wrote:
>> 
>>  
>>> I'm currently in the process of trying to develop a data archive storage
>>> system for GPS data that is being received, and needs to be stored in
>>> real-time.
>>>    
>>      Currently, the HDF5 library doesn't support multiple processes 
>> accessing the same file, where 1+ of those processes is writing/modifying 
>> the file.  We are going to have some form of single-writer/multiple-reader 
>> access in the next major release, but it's still too early to make snapshots 
>> of this feature for external testing.
>> 
>>      Quincey
>>  
> Is there any way of working around this limitation?  That's a pretty
> serious limitation for our purposes.  Is there any kind of schedule that
> might hint at when such a capability might become available?

        If you are interested in an alpha/early beta snapshot that contains 
some support for the single-writer/multiple-reader (SWMR) feature, I think we 
should have one ready in about a month.  We don't currently have any plans to 
add multiple-writer support.

        Quincey


_______________________________________________
Hdf-forum is for HDF software users discussion.
[email protected]
http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org

Reply via email to