Re: Tux3 Report: How fast can we fail?

2015-05-28 Thread Daniel Phillips
On Thursday, May 28, 2015 5:55:18 AM PDT, Austin S Hemmelgarn wrote: On 2015-05-27 18:46, Daniel Phillips wrote: On 05/27/2015 02:39 PM, Pavel Machek wrote: On Wed 2015-05-27 11:28:50, Daniel Phillips wrote: ... I mentioned earlier, it seems to work pretty well in Tux3. But do user

Re: Tux3 Report: How fast can we fail?

2015-05-28 Thread Daniel Phillips
On Thursday, May 28, 2015 4:19:29 PM PDT, Andreas Karlsson wrote: On 05/28/2015 07:27 PM, Daniel Phillips wrote: Not doubting you, but how would overwriting files help you recover from disk full? One benefit I see is that monitoring tools based on round-robin databases like Munin and MRTG

Re: Tux3 Report: How fast can we fail?

2015-05-28 Thread Austin S Hemmelgarn
On 2015-05-27 18:46, Daniel Phillips wrote: On 05/27/2015 02:39 PM, Pavel Machek wrote: On Wed 2015-05-27 11:28:50, Daniel Phillips wrote: On Tuesday, May 26, 2015 11:41:39 PM PDT, Mosis Tembo wrote: On Tue, May 26, 2015 at 6:03 PM, Pavel Machek pa...@ucw.cz wrote: We identified the

Re: Tux3 Report: How fast can we fail?

2015-05-27 Thread Pavel Machek
On Wed 2015-05-27 11:28:50, Daniel Phillips wrote: On Tuesday, May 26, 2015 11:41:39 PM PDT, Mosis Tembo wrote: On Tue, May 26, 2015 at 6:03 PM, Pavel Machek pa...@ucw.cz wrote: We identified the following quality metrics for this algorithm: 1) Never fails to detect out of space in the

Re: Tux3 Report: How fast can we fail?

2015-05-27 Thread Daniel Phillips
On 05/27/2015 02:39 PM, Pavel Machek wrote: On Wed 2015-05-27 11:28:50, Daniel Phillips wrote: On Tuesday, May 26, 2015 11:41:39 PM PDT, Mosis Tembo wrote: On Tue, May 26, 2015 at 6:03 PM, Pavel Machek pa...@ucw.cz wrote: We identified the following quality metrics for this algorithm: 1)

Re: Tux3 Report: How fast can we fail?

2015-05-26 Thread Daniel Phillips
On Tuesday, May 26, 2015 3:03:26 AM PDT, Pavel Machek wrote: We identified the following quality metrics for this algorithm: 1) Never fails to detect out of space in the front end. 2) Always fills a volume to 100% before reporting out of space. 3) Allows rm, rmdir and truncate even when a

Re: Tux3 Report: How fast can we fail?

2015-05-13 Thread Daniel Phillips
Addendum to that post... On 05/12/2015 10:46 AM, I wrote: ...For example, we currently overestimate the cost of a rewrite because we would need to go poking around in btrees to do that more accurately. Fixing that will be quite a bit of work... Ah no, I was wrong about that, it will not be a