Re: [Lustre-discuss] What exactly is punch statistic?

2011-06-17 Thread Mervini, Joseph A
Hi Cliff - it's been a long time... It seems to me that file truncation is a bad thing - i.e., file writes are not completed. Is this an invalid assessment? Thanks, Joe == Joe Mervini Sandia National Laboratories Dept 09326 PO Box 5800 MS-0823 Albuquerque NM 87185-0823 On Jun 16, 2011, at

Re: [Lustre-discuss] What exactly is punch statistic?

2011-06-17 Thread Oleg Drokin
Hello! No, it's not a bad thing. It's just another operation like others. When apps do truncate() call, the punch RPCs happen. When apps do open(O_TRUNC) call, the punch RPCs happen too. Bye, Oleg On Jun 18, 2011, at 12:28 AM, Mervini, Joseph A wrote: Hi Cliff - it's been a long

[Lustre-discuss] What exactly is punch statistic?

2011-06-16 Thread Mervini, Joseph A
Hi, I have been covertly trying for a long time to find out what punch means as far a lustre llobdstat output but have not really found anything definitive. Can someone answer that for me? (BTW: I am not alone in my ignorance... :) ) Thanks. Joe Mervini Sandia National Laboratories High

Re: [Lustre-discuss] What exactly is punch statistic?

2011-06-16 Thread Cliff White
It is called when truncating a file - afaik it is showing you the number of truncates, more or less. cliffw On Thu, Jun 16, 2011 at 10:52 AM, Mervini, Joseph A jame...@sandia.govwrote: Hi, I have been covertly trying for a long time to find out what punch means as far a lustre llobdstat