Re: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Stefan Fuhrmann
On 16.06.2011 12:50, Philip Martin wrote: Philip Martin writes: That's using the sync option on the NFS server. Using async Checkout using 1.6: Elapsed: 73s CPU: 16s [...] Checkout using 1.7 Elapsed: 180s CPU: 26s By comparison the same checkout to a local disk takes about 5s elapsed fo

RE: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Bert Huijben
This assumes creating many tempfiles is cheaper then updating/reading the db. On Windows that is certainly not the case. Bert Huijben (Cell phone) From: Stefan Fuhrmann Sent: zaterdag 18 juni 2011 11:19 To: Philip Martin Cc: Johan Corveleyn; Paul Burba; Subversion Development Subject: Re: Fresh ch

Re: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Stefan Fuhrmann
On 18.06.2011 15:30, Bert Huijben wrote: This assumes creating many tempfiles is cheaper then updating/reading the db. On Windows that is certainly not the case. No. We already create these tempfiles today. -- Stefan^2. Bert Huijben (Cell phone) From: Stefan Fuhrmann Sent: zaterdag 18 juni 20

Re: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Geoff Rowell
On Jun 18, 2011, at 9:34 AM, Stefan Fuhrmann wrote: > On 18.06.2011 15:30, Bert Huijben wrote: >> This assumes creating many tempfiles is cheaper then updating/reading >> the db. On Windows that is certainly not the case. >> > No. We already create these tempfiles today. And it causes a known p

Re: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Ivan Zhakov
On Sat, Jun 18, 2011 at 17:30, Bert Huijben wrote: > This assumes creating many tempfiles is cheaper then updating/reading > the db. On Windows that is certainly not the case. > Creating many tempfiles are expensive because APR/Subversion doesn't pass special flag (FILE_ATTRIBUTE_TEMPORARY) to Cre

Re: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Branko Čibej
On 18.06.2011 16:48, Ivan Zhakov wrote: > On Sat, Jun 18, 2011 at 17:30, Bert Huijben wrote: >> This assumes creating many tempfiles is cheaper then updating/reading >> the db. On Windows that is certainly not the case. >> > Creating many tempfiles are expensive because APR/Subversion doesn't > pa

RE: Fresh checkout vs 'svn upgrade': How good is good enough?

2011-06-18 Thread Bert Huijben
> -Original Message- > From: Branko Čibej [mailto:br...@xbc.nu] On Behalf Of Branko Cibej > Sent: zaterdag 18 juni 2011 22:11 > To: dev@subversion.apache.org > Subject: Re: Fresh checkout vs 'svn upgrade': How good is good enough? > > On 18.06.2011 16:48, Ivan Zhakov wrote: > > On Sat, Jun