Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Jean-David Beyer
On 07/08/2016 07:44 AM, vincent wrote: > > > Op 7/8/2016 om 12:23 PM schreef Jean-David Beyer: >> Why all this concern about how long a disk (or SSD) drive can stay up >> after a power failure? >> >> It seems to me that anyone interested in maintaining an important >> database would have suitable

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Wes Vaske (wvaske)
6 AM To: pgsql-performance@postgresql.org Subject: Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines... On 08/07/2016 13:23, Jean-David Beyer wrote: > Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? > > It seems to

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread vincent
Op 7/8/2016 om 12:23 PM schreef Jean-David Beyer: Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the disk

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Karl Denninger
On 7/8/2016 05:23, Jean-David Beyer wrote: > Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? Never had a power supply fail, have you? Or (accidentally) pull the wrong cord? :) > It seems to me that anyone interested in maintaining an important > datab

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Thomas Samson
On Fri, Jul 8, 2016 at 12:23 PM, Jean-David Beyer wrote: > Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? > > It seems to me that anyone interested in maintaining an important > database would have suitable backup power on their entire systems, > in

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Levente Birta
On 08/07/2016 13:23, Jean-David Beyer wrote: Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the disk drives

[PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Jean-David Beyer
Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the disk drives, so they could coast over any power loss. I d