[Gluster-users] RIO scope in release 4.0 (Was: Request for Comments: Upgrades from 3.x to 4.0+)

2017-11-02 Thread Shyam Ranganathan
On 11/02/2017 08:10 AM, Kotresh Hiremath Ravishankar wrote: Hi Amudhan, Please go through the following that would clarify up-gradation concerns from DHT to RIO in 4.0 1. RIO would not deprecate DHT. Both DHT and RIO would co-exist. 2. DHT volumes would not be migrated to RIO. DHT volumes w

Re: [Gluster-users] Gluster Scale Limitations

2017-11-02 Thread Mayur Dewaikar
Hi All— Thanks for the responses. I am mainly curious about performance impact for read/write workloads associated with metadata updates as the number of nodes increase. Any commentary on performance impact specific to various read/write random/sequential IO scenario as the scale increases? Not

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Darrell Budic
Will the various client packages (centos in my case) be able to automatically handle the upgrade vs new install decision, or will we be required to do something manually to determine that? It’s a little unclear that things will continue without interruption because of the way you describe the c

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Kotresh Hiremath Ravishankar
Hi Amudhan, Please go through the following that would clarify up-gradation concerns from DHT to RIO in 4.0 1. RIO would not deprecate DHT. Both DHT and RIO would co-exist. 2. DHT volumes would not be migrated to RIO. DHT volumes would still be using DHT code. 3. The new volume creat

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Amar Tumballi
On Thu, Nov 2, 2017 at 4:00 PM, Amudhan P wrote: > if doing an upgrade from 3.10.1 to 4.0 or 4.1, will I be able to access > volume without any challenge? > > I am asking this because 4.0 comes with DHT2? > > Thanks for bringing this up. We did hear such concerns earlier too. Multiple things her

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Kaushal M
On Thu, Nov 2, 2017 at 4:00 PM, Amudhan P wrote: > if doing an upgrade from 3.10.1 to 4.0 or 4.1, will I be able to access > volume without any challenge? > > I am asking this because 4.0 comes with DHT2? Very short answer, yes. Your volumes will remain the same. And you will continue to access t

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Amudhan P
does RIO improves folder listing and rebalance, when compared to 3.x? if yes, do you have any performance data comparing RIO and DHT? On Thu, Nov 2, 2017 at 4:12 PM, Kaushal M wrote: > On Thu, Nov 2, 2017 at 4:00 PM, Amudhan P wrote: > > if doing an upgrade from 3.10.1 to 4.0 or 4.1, will I be

Re: [Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Amudhan P
if doing an upgrade from 3.10.1 to 4.0 or 4.1, will I be able to access volume without any challenge? I am asking this because 4.0 comes with DHT2? On Thu, Nov 2, 2017 at 2:26 PM, Kaushal M wrote: > We're fast approaching the time for Gluster-4.0. And we would like to > set out the expected

Re: [Gluster-users] Gluster Monthly Newsletter, October 2017

2017-11-02 Thread Niels de Vos
On Wed, Nov 01, 2017 at 08:13:43PM +0100, Marcin Dulak wrote: ... snip! > > Upcoming CFPs: > > DevConf > > https://devconf.cz/ - CfP closes November 17, 2017 > > > > I know this is not the fully right place to make this comment, but if > anybody is working with the organizers of devconf > and co

[Gluster-users] Request for Comments: Upgrades from 3.x to 4.0+

2017-11-02 Thread Kaushal M
We're fast approaching the time for Gluster-4.0. And we would like to set out the expected upgrade strategy and try to polish it to be as user friendly as possible. We're getting this out here now, because there was quite a bit of concern and confusion regarding the upgrades between 3.x and 4.0+.