Re: [HACKERS] PATCH: track last known XLOG segment in control file

2016-01-31 Thread Tomas Vondra
Hi, On 01/31/2016 01:25 PM, Alvaro Herrera wrote: This hasn't been updated in a long time; I should have closed it earlier. Chatting with Tomas about it, he seemed inclined to just have the patch rejected because it's not terribly useful anyway. we've discussed that some time ago and my

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2016-01-31 Thread Alvaro Herrera
This hasn't been updated in a long time; I should have closed it earlier. Chatting with Tomas about it, he seemed inclined to just have the patch rejected because it's not terribly useful anyway. I'm marking it as rejected. Unless someone has a compelling use case for this feature that hasn't

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Amit Kapila
On Sun, Dec 13, 2015 at 4:24 AM, Tomas Vondra wrote: > > > On 12/12/2015 11:39 PM, Andres Freund wrote: > >> On 2015-12-12 23:28:33 +0100, Tomas Vondra wrote: >> >>> On 12/12/2015 11:20 PM, Andres Freund wrote: >>> On 2015-12-12 22:14:13 +0100, Tomas Vondra

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Andres Freund
Hi, On 2015-12-12 22:14:13 +0100, Tomas Vondra wrote: > this is the second improvement proposed in the thread [1] about ext4 data > loss issue. It adds another field to control file, tracking the last known > WAL segment. This does not eliminate the data loss, just the silent part of > it when

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Tomas Vondra
On 12/12/2015 11:20 PM, Andres Freund wrote: Hi, On 2015-12-12 22:14:13 +0100, Tomas Vondra wrote: this is the second improvement proposed in the thread [1] about ext4 data loss issue. It adds another field to control file, tracking the last known WAL segment. This does not eliminate the

[HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Tomas Vondra
Hi, this is the second improvement proposed in the thread [1] about ext4 data loss issue. It adds another field to control file, tracking the last known WAL segment. This does not eliminate the data loss, just the silent part of it when the last segment gets lost (due to forgetting the

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Andres Freund
On 2015-12-12 23:28:33 +0100, Tomas Vondra wrote: > On 12/12/2015 11:20 PM, Andres Freund wrote: > >On 2015-12-12 22:14:13 +0100, Tomas Vondra wrote: > >>this is the second improvement proposed in the thread [1] about ext4 data > >>loss issue. It adds another field to control file, tracking the

Re: [HACKERS] PATCH: track last known XLOG segment in control file

2015-12-12 Thread Tomas Vondra
On 12/12/2015 11:39 PM, Andres Freund wrote: On 2015-12-12 23:28:33 +0100, Tomas Vondra wrote: On 12/12/2015 11:20 PM, Andres Freund wrote: On 2015-12-12 22:14:13 +0100, Tomas Vondra wrote: this is the second improvement proposed in the thread [1] about ext4 data loss issue. It adds another