Re: [CentOS] time foo

2017-12-01 Thread John R Pierce
On 12/1/2017 11:32 AM, hw wrote: So this would mean that the database (running on a different server) takes almost two times as much as foo --- which I would consider kinda excruciatingly long because it´s merely inserting rows into two different tables after they were prepared by foo and then

Re: [CentOS] C7 and docker storage

2017-12-01 Thread Andrew Holway
I believe use of any kind of storage in conjunction with docker is generally discouraged. Docker is a quite neat way of packaging up apps and deploying them but if you care about your data I would store it somewhere independent of docker. Ta, Andrew On 29 November 2017 at 22:23, wrote: > Was w

Re: [CentOS] time foo

2017-12-01 Thread Mark Haney
On 12/01/2017 02:32 PM, hw wrote: Hm.  Foo is a program that imports data into a database from two CVS files, using a connection for each file and forking to import both files at once. So this would mean that the database (running on a different server) takes almost two times as much as foo --

Re: [CentOS] time foo

2017-12-01 Thread Stephen John Smoogen
On 1 December 2017 at 14:32, hw wrote: > Gordon Messmer wrote: >> >> On 12/01/2017 08:49 AM, hw wrote: >>> >>> # time foo >>> real43m39.841s >>> user15m31.109s >>> sys 0m44.136s >>> >>> >>> Almost 30 minutes have disappeared, but it actually took about that long, >>> so what happened?

Re: [CentOS] time foo

2017-12-01 Thread hw
Gordon Messmer wrote: On 12/01/2017 08:49 AM, hw wrote: # time foo real43m39.841s user15m31.109s sys 0m44.136s Almost 30 minutes have disappeared, but it actually took about that long, so what happened? I may misunderstand your question, but "time" is provided by the bash shell

Re: [CentOS] time foo

2017-12-01 Thread Gordon Messmer
On 12/01/2017 08:49 AM, hw wrote: # time foo real    43m39.841s user    15m31.109s sys 0m44.136s Almost 30 minutes have disappeared, but it actually took about that long, so what happened? I may misunderstand your question, but "time" is provided by the bash shell.  It may be provided

Re: [CentOS] time foo

2017-12-01 Thread Stephen John Smoogen
On 1 December 2017 at 11:49, hw wrote: > > Hi, > > isn´t this weird: > > > # time foo > real43m39.841s > user15m31.109s > sys 0m44.136s > This is counting the CPU time that a process used. If something is not in 'CPU' but waiting on input etc it might not get counted in user or sys. T

[CentOS] time foo

2017-12-01 Thread hw
Hi, isn´t this weird: # time foo real43m39.841s user15m31.109s sys 0m44.136s Almost 30 minutes have disappeared, but it actually took about that long, so what happened? ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/

Re: [CentOS] Good linux software RAID primer advise

2017-12-01 Thread Miguel Medalha
>> Could someone recommend good Linux software RAID primer. It would >> be good >> if it has good coverage of monitoring and dealing with failures. https://raid.wiki.kernel.org/index.php/Linux_Raid ___ CentOS mailing list CentOS@centos.org https://lists

Re: [CentOS] C7 and docker storage (folllowing myself up)

2017-12-01 Thread m . roth
m.r...@5-cent.us wrote: > Gianluca Cecchi wrote: >> Date: Thu, 30 Nov 2017 09:55:58 +0100 >> On Wed, Nov 29, 2017 at 10:23 PM, wrote: >> >>> The latter would explain the message my user's job gave him when it >>> tried to umount / >>> >>> A bit of googling, and I see something called overlayFS ca

Re: [CentOS] C7 and docker storage

2017-12-01 Thread m . roth
Gianluca Cecchi wrote: > Date: Thu, 30 Nov 2017 09:55:58 +0100 > On Wed, Nov 29, 2017 at 10:23 PM, wrote: > >> The latter would explain the message my user's job gave him when it tried >> to umount / >> >> A bit of googling, and I see something called overlayFS can be used... but >> I know nothin

[CentOS] Partition advice

2017-12-01 Thread Kenneth Porter
I'm setting up a new mail server (dovecot + sendmail + SpamAssassin + ClamAV + MIMEDefang) to replace an aging CentOS 6 box. The new box is a low-end PowerEdge with an SSD, 3 4TB red drives on a PERC RAID controller which I'll probably set up RAID5, and possibly mirrored internal SD cards as a

Re: [CentOS] Good linux software RAID primer advise

2017-12-01 Thread Frans Reitsma
The red hat family of linux is my advise. Most practical is a Centos 7.4 version, since its support many application software packages. Skype, libre Office, Firefox, thunderbird. Good luck with the configuration ! Best. Sent from my Windows 10 phone From: Valeri Galtsev Sent: 01 December 2017