Re: FSFS format 6

2011-02-21 Thread Stefan Fuhrmann
On 20.02.2011 21:02, Johan Corveleyn wrote: On Sun, Feb 20, 2011 at 6:35 PM, Mark Mielkem...@mark.mielke.cc wrote: That said, I'm also (in principle) against implementing cache of open file handles. I prefer architectures that cache intermediate data in a processed form that the application

Re: FSFS format 6

2011-02-20 Thread Ivan Zhakov
On Wed, Dec 29, 2010 at 22:37, Stefan Fuhrmann eq...@web.de wrote: The fopen() calls should be eliminated by the file handle cache. IOW, they should already be addressed on the performance branch. Please let me know if that is not the case. Just my 20 cents. My belief that file handles cache

Re: FSFS format 6

2011-02-20 Thread Johan Corveleyn
On Sun, Feb 20, 2011 at 6:35 PM, Mark Mielke m...@mark.mielke.cc wrote: On 02/20/2011 03:50 AM, Ivan Zhakov wrote: On Wed, Dec 29, 2010 at 22:37, Stefan Fuhrmanneq...@web.de  wrote: The fopen() calls should be eliminated by the file handle cache. IOW, they should already be addressed on the

Re: FSFS format 6

2011-02-20 Thread Stefan Fuhrmann
On 20.02.2011 09:50, Ivan Zhakov wrote: On Wed, Dec 29, 2010 at 22:37, Stefan Fuhrmanneq...@web.de wrote: The fopen() calls should be eliminated by the file handle cache. IOW, they should already be addressed on the performance branch. Please let me know if that is not the case. Just my 20

Re: FSFS format 6

2011-01-24 Thread Stefan Fuhrmann
On 24.01.2011 03:12, Johan Corveleyn wrote: On Wed, Dec 29, 2010 at 8:37 PM, Stefan Fuhrmanneq...@web.de wrote: On 29.12.2010 01:58, Johan Corveleyn wrote: The current code is written in a certain way, not particularly optimized for this new format (I seem to remember log does around 10 fopen

Re: FSFS format 6

2011-01-23 Thread Johan Corveleyn
On Wed, Dec 29, 2010 at 8:37 PM, Stefan Fuhrmann eq...@web.de wrote: On 29.12.2010 01:58, Johan Corveleyn wrote: On Sun, Dec 12, 2010 at 4:23 PM, Stefan Fuhrmann stefanfuhrm...@alice-dsl.de  wrote: On 19.10.2010 15:10, Daniel Shahaf wrote: Greg Stein wrote on Tue, Oct 19, 2010 at 04:31:42

Re: FSFS format 6

2010-12-29 Thread Stefan Fuhrmann
and seeked in just as much as the sum of the individual rev files. The fopen() calls should be eliminated by the file handle cache. IOW, they should already be addressed on the performance branch. Please let me know if that is not the case. FSFS format 6 would primarily reduce the number of seek

Re: FSFS format 6 (was: Re: FSv2)

2010-12-28 Thread Johan Corveleyn
On Sun, Dec 12, 2010 at 4:23 PM, Stefan Fuhrmann stefanfuhrm...@alice-dsl.de wrote: On 19.10.2010 15:10, Daniel Shahaf wrote: Greg Stein wrote on Tue, Oct 19, 2010 at 04:31:42 -0400: Personally, I see [FSv2] as a broad swath of API changes to align our needs with the underlying storage.