Re: [CentOS] Need help to fix bug in rsync

2020-03-26 Thread Simon Matter via CentOS
> To: centos@centos.org > Subject: [EXTERNAL] Re: [CentOS] Need help to fix bug in rsync > > > Harriscomputer > > Leroy Tennison > Network Information/Cyber Security Specialist > E: le...@datavoiceint.com > > > [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-45

Re: [CentOS] Need help to fix bug in rsync

2020-03-26 Thread Simon Matter via CentOS
> On Wed, Mar 25, 2020 at 02:49:24PM +0100, Simon Matter via CentOS wrote: >> Hi, >> >> I've discovered a bug in rsync which leads to increased CPU usage and >> slower transfers in many situations. >> >> When syncing with compression (-z), certain file types should not be >> compressed during the

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Jon LaBadie
On Wed, Mar 25, 2020 at 02:49:24PM +0100, Simon Matter via CentOS wrote: > Hi, > > I've discovered a bug in rsync which leads to increased CPU usage and > slower transfers in many situations. > > When syncing with compression (-z), certain file types should not be > compressed during the

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Leon Fauster via CentOS
Am 25.03.20 um 19:15 schrieb Simon Matter via CentOS: On Wed, 2020-03-25 at 14:39 +, Leroy Tennison wrote: Since you state that using -z is almost always a bad idea, could you provide the rationale for that? I must be missing something. I think the "rationale" is that at some point the

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Leroy Tennison
, March 25, 2020 1:32 PM To: centos@centos.org Subject: [EXTERNAL] Re: [CentOS] Need help to fix bug in rsync Harriscomputer Leroy Tennison Network Information/Cyber Security Specialist E: le...@datavoiceint.com [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-451f-ba2c-af8059e69609.PNG] 22

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Leroy Tennison
ailing list Subject: [EXTERNAL] Re: [CentOS] Need help to fix bug in rsync Harriscomputer Leroy Tennison Network Information/Cyber Security Specialist E: le...@datavoiceint.com [cid:Data-Voice-International-LOGO_aa3d1c6e-5cfb-451f-ba2c-af8059e69609.PNG] 2220 Bush Dr McKinney, Texas 75070 www.d

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Pete Biggs
On Wed, 2020-03-25 at 19:15 +0100, Simon Matter via CentOS wrote: > > On Wed, 2020-03-25 at 14:39 +, Leroy Tennison wrote: > > > Since you state that using -z is almost always a bad idea, could you > > > provide the rationale for that? I must be missing something. > > > > > I think the

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Simon Matter via CentOS
> On Wed, 25 Mar 2020, Leroy Tennison wrote: > >> Since you state that using -z is almost always a bad idea, could you >> provide the rationale for that? I must be missing something. > > I can't speak to that, but the obvious workaround is to use ssh's > compression instead of rsync's: > > rsync

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Simon Matter via CentOS
> On Wed, 2020-03-25 at 14:39 +, Leroy Tennison wrote: >> Since you state that using -z is almost always a bad idea, could you >> provide the rationale for that? I must be missing something. >> > I think the "rationale" is that at some point the > compression/decompression takes longer than

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Paul Heinlein
On Wed, 25 Mar 2020, Leroy Tennison wrote: Since you state that using -z is almost always a bad idea, could you provide the rationale for that? I must be missing something. I can't speak to that, but the obvious workaround is to use ssh's compression instead of rsync's: rsync -av -e 'ssh

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Pete Biggs
On Wed, 2020-03-25 at 14:39 +, Leroy Tennison wrote: > Since you state that using -z is almost always a bad idea, could you > provide the rationale for that? I must be missing something. > I think the "rationale" is that at some point the compression/decompression takes longer than the time

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Leroy Tennison
Subject: [EXTERNAL] Re: [CentOS] Need help to fix bug in rsync On Wed, 25 Mar 2020 14:49:24 +0100 Simon Matter via CentOS wrote: > Hi, > > I've discovered a bug in rsync which leads to increased CPU usage and > slower transfers in many situations. > > When syncing with compression (

Re: [CentOS] Need help to fix bug in rsync

2020-03-25 Thread Peter Kjellström
On Wed, 25 Mar 2020 14:49:24 +0100 Simon Matter via CentOS wrote: > Hi, > > I've discovered a bug in rsync which leads to increased CPU usage and > slower transfers in many situations. > > When syncing with compression (-z) Tbh, using -z with rsync is almost always a bad idea (unless you're

[CentOS] Need help to fix bug in rsync

2020-03-25 Thread Simon Matter via CentOS
Hi, I've discovered a bug in rsync which leads to increased CPU usage and slower transfers in many situations. When syncing with compression (-z), certain file types should not be compressed during the transfer because they are already compressed. The file types which are not to be compressed