WRONG LIST, SORRY, PLEASE IGNORE Re: PosgtgreSQL hot standby reading WAL from muli-attached volume?

2021-04-05 Thread Gunther Schadow
Sorry for this. Wrong email list. On 4/5/2021 5:31 PM, Gunther Schadow wrote: Hi, I wonder can we set up a hot standby i ___ freebsd-performance@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe

PosgtgreSQL hot standby reading WAL from muli-attached volume?

2021-04-05 Thread Gunther Schadow
Hi, I wonder can we set up a hot standby in such a way that we don't need any log streaming nor shipping, where instead every hot standby just mounts the same disk in read-only mode which the master uses to write his WAL files? Even without a clustered file system, e.g., a UFS on FreeBSD, on

Re: FreeBSD on Amazon AWS EC2 long standing performance problems

2021-02-13 Thread Gunther Schadow
On 2/10/2021 11:47 AM, Sean Chittenden wrote: Expect to see something about this on this year's Community Survey and the Core Team will do something with this information. Cloud has been an increasingly important workload for FreeBSD users. Thank you Sean, I think it would really be good to

Re: FreeBSD on Amazon AWS EC2 long standing performance problems

2021-02-10 Thread Gunther Schadow
I think we got enough feed back now from other professionals to suggest that it would do the FreeBSD project good to acknowledge the issue and create some sort of work in progress / project statement, perhaps a wiki, where people can flock to to look for workarounds, current statue, just to not fe

Re: FreeBSD on Amazon AWS EC2 long standing performance problems

2021-02-05 Thread Gunther Schadow
Hi Sean and Brendan On 2/5/2021 6:14 PM, Sean Chittenden wrote: To be clear, this is a known issue that needs attention: it is not a benchmarking setup problem. Network throughput has a similar problem and needs similar attention. Cloud is not a fringe server workload. -sc I am so glad you

Re: FreeBSD on Amazon AWS EC2 long standing performance problems

2021-02-05 Thread Gunther Schadow
Gordon Bergling wrote: Can you verify your feelings by numbers? Yes, like I said Not by a few % points, but by factors if not an order of magnitude! https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253261 Do this: dd if=/dev/zero of=/dev/nvd2 bs=100M status=progress and you see that it'

FreeBSD on Amazon AWS EC2 long standing performance problems

2021-02-05 Thread Gunther Schadow
Hi, I've been with FreeBSD since 386BSD 0.0new. Always tried to run everything on it. I saw us lose the epic race against Linux over the stupid BSDI lawsuit. But now I'm afraid I am witnessing the complete fading of FreeBSD from relevance in the marketplace as the performance of FreeBSD on AWS EC2