Re: [Pytables-users] multiprocessing and pytables

2012-10-17 Thread Ernesto Picardi
Hi all, > Hi Anthony, > > Il giorno 16/ott/2012, alle ore 02:04, Anthony Scopatz ha > scritto: > > > Hello Ernesto, > > > > So you are actually asking two different questions, one on reading and the > > other on writing. In general reading, or querying, with multiprocessing > > works very w

Re: [Pytables-users] multiprocessing and pytables

2012-10-17 Thread Anthony Scopatz
On Wed, Oct 17, 2012 at 12:58 AM, Antonio Valentino < antonio.valent...@tiscali.it> wrote: > Hi Anthony, > > Il giorno 16/ott/2012, alle ore 02:04, Anthony Scopatz > ha scritto: > > > Hello Ernesto, > > > > So you are actually asking two different questions, one on reading and > the other on writ

Re: [Pytables-users] multiprocessing and pytables

2012-10-16 Thread Antonio Valentino
Hi Anthony, Il giorno 16/ott/2012, alle ore 02:04, Anthony Scopatz ha scritto: > Hello Ernesto, > > So you are actually asking two different questions, one on reading and the > other on writing. In general reading, or querying, with multiprocessing > works very well. Writing to a single f

Re: [Pytables-users] multiprocessing and pytables

2012-10-15 Thread Anthony Scopatz
Hello Ernesto, So you are actually asking two different questions, one on reading and the other on writing. In general reading, or querying, with multiprocessing works very well. Writing to a single file with multiple processes is destined to failure though. So the strategy that many people hav