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 Mielke 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 has made a determined

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 Fuhrmann 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. High r

Re: FSFS format 6

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

Re: FSFS format 6

2011-02-20 Thread Mark Mielke
On 02/20/2011 03:50 AM, Ivan Zhakov wrote: On Wed, Dec 29, 2010 at 22:37, Stefan Fuhrmann 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. My belief that file han

Re: FSFS format 6

2011-02-20 Thread Ivan Zhakov
On Wed, Dec 29, 2010 at 22:37, Stefan Fuhrmann 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 should

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 Fuhrmann 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 calls for

Re: FSFS format 6

2011-01-23 Thread Johan Corveleyn
On Wed, Dec 29, 2010 at 8:37 PM, Stefan Fuhrmann wrote: > On 29.12.2010 01:58, Johan Corveleyn wrote: >> >> On Sun, Dec 12, 2010 at 4:23 PM, Stefan Fuhrmann >>  wrote: >>> >>> On 19.10.2010 15:10, Daniel Shahaf wrote: Greg Stein wrote on Tue, Oct 19, 2010 at 04:31:42 -0400: > >

Re: FSFS format 6

2010-12-29 Thread Stefan Fuhrmann
On 29.12.2010 01:58, Johan Corveleyn wrote: On Sun, Dec 12, 2010 at 4:23 PM, Stefan Fuhrmann 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 underlyi

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

2010-12-28 Thread Johan Corveleyn
On Sun, Dec 12, 2010 at 4:23 PM, Stefan Fuhrmann 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. Trowbridge noted t