Re: [PERFORM] Why you should turn on Checksums with SSDs

2014-07-30 Thread Merlin Moncure
On Wed, Jul 30, 2014 at 4:01 AM, Tomas Vondra wrote: > On 30 Červenec 2014, 5:12, Josh Berkus wrote: >> Explained here: >> https://www.usenix.org/system/files/conference/fast13/fast13-final80.pdf >> >> 13 out of 15 tested SSD's had various kinds of corruption on a power-out. >> >> (thanks, Neil!)

Re: [PERFORM] Why you should turn on Checksums with SSDs

2014-07-30 Thread Tomas Vondra
On 30 Červenec 2014, 5:12, Josh Berkus wrote: > Explained here: > https://www.usenix.org/system/files/conference/fast13/fast13-final80.pdf > > 13 out of 15 tested SSD's had various kinds of corruption on a power-out. > > (thanks, Neil!) Well, only four of the devices supposedly had a power-loss pr

[PERFORM] Why you should turn on Checksums with SSDs

2014-07-29 Thread Josh Berkus
Explained here: https://www.usenix.org/system/files/conference/fast13/fast13-final80.pdf 13 out of 15 tested SSD's had various kinds of corruption on a power-out. (thanks, Neil!) -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-per