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Thread: thegridlayer.com
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11-20-2006, 10:00 PM #76Web Hosting Master
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Does anyone know how many snapshots you can keep on hand? Does this part work well?
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11-20-2006, 10:20 PM #77WHT Addict
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Is TGL basically like a VPS sort of device, if so, has anyone tried UnixBench'ing a TGL environment to see what sort of performance it provides?
Chris Imrie
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11-20-2006, 10:32 PM #78Eternal Member
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Originally Posted by drewnick0
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11-20-2006, 10:33 PM #79Eternal Member
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Originally Posted by RazorBlue - Chris
I got about ~ 107 (IIRC) on unixbench with the lowest package.MediaLayer, LLC - www.medialayer.com Learn how we can make your website load faster, translating to better conversion rates for your business!
The pioneers of optimized web hosting, featuring LiteSpeed Web Server & SSD Storage - Celebrating 10 Years in Business
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11-20-2006, 11:30 PM #80Managed Service Provider
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Originally Posted by layer0
thats also all dependent upon what hardware is behind the node....
You could have a
Semprron 2800, 1gb, 1 x 500GB SATA as each node
or
Dual Quad-Core Xeon, 16GB RAM, 6 x 146GB SAS10k per node
the benchmarks still go back to the core hardware0
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11-20-2006, 11:37 PM #81Eternal Member
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Originally Posted by WireSix0
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11-20-2006, 11:45 PM #82Eternal Member
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Originally Posted by WireSixMediaLayer, LLC - www.medialayer.com Learn how we can make your website load faster, translating to better conversion rates for your business!
The pioneers of optimized web hosting, featuring LiteSpeed Web Server & SSD Storage - Celebrating 10 Years in Business
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11-21-2006, 01:16 AM #83Managed Service Provider
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Originally Posted by VladMiloushev
Yeah I fully understand. What I was trying to stress is that people are not "benchmarking" Applogic but rather the strength of the node behind their single instance.0
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11-21-2006, 05:43 AM #84Eternal Member
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Originally Posted by WireSix
Unfortunately, over the years everyone has gotten addicted to measuring CPU performance in GHz. Today, with the clock frequency measure broken, we are left with nothing at all to help us compare CPUs objectively.0
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11-21-2006, 05:50 AM #85Web Hosting Master
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I send a ticket asking some things to layeredtech and still waiting their response, everyone it's doing the same and for this they are delaying?
Honesting.es honest european provider.0
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11-21-2006, 05:55 AM #86Eternal Member
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Originally Posted by pueblosnet0
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11-21-2006, 09:13 AM #87Web Hosting Master
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Originally Posted by RazorBlue - Chris0
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11-21-2006, 10:07 AM #88WHT Addict
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Okay i'll do that shortly, did fire some Q's over to TGL (LT) but have no reply, mainly due to me sending the Q's late USA time.
Chris Imrie
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11-21-2006, 03:04 PM #89Web Hosting Master
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I called this morning. They are still very much learning themselves about this product - as I would have expected. Still a lot of variables in the air.
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11-22-2006, 12:03 AM #90Eternal Member
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Originally Posted by Xandrios0
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11-22-2006, 12:09 AM #91Web Hosting Master
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The Benchmark post:
http://www.webhostingtalk.com/showpo...&postcount=650
This is very interesting.
Good overall score for the small RAM.
Low process creation can be coming from the overhead of virtualization and process control/monitoring.
And shell script can be affected by slow process creation.
And the File copy results is amusing.
It shows higher figure for smaller buffer size.
Maybe due to the way file system is implemented in the AppLogic.
I'm looking for a comparative result from plain Xen with similar RAM/CPU, now.0
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11-22-2006, 12:23 AM #92Eternal Member
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This is the reply to a posting in the MT thread - the poster suggested we move to the GridLogic thread where this belongs anyway.
Originally Posted by extras
Originally Posted by extras
Originally Posted by extras
Load balancing and performance clustering are always somewhat application-specific: the way you cluster JBoss servers is different from the way you cluster MySQL, is different from the way you cluster Oracle, is different from the way you cluster Apache, etc.
To try and implement all this at the core grid services would be a failure, since it would force the grid to be dependent on the specific set of database engines, app servers, web servers, etc. Instead, AppLogic deals with the things that can be made common (storage, network, scheduling, etc.) in the core services, and makes it easy to assemble application-specific clusters from a library of virtual appliances.
[/quote]0
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11-22-2006, 12:27 AM #93Web Hosting Master
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Some of the test results I found.
LayerdTech! Server and Xen (512M) on it.
http://www.webhostingtalk.com/showpo...&postcount=396
Xen 256M
http://www.webhostingtalk.com/showpo...&postcount=411
http://iicvps.com/vpshosting.php
Xen 192M
http://www.webhostingtalk.com/showpo...&postcount=639
Xen 128M Unixshell
http://www.webhostingtalk.com/showpo...&postcount=398
Xen 128M xelhosting.com
http://www.webhostingtalk.com/showpo...&postcount=404
Virtuozzo? 256M
http://www.webhostingtalk.com/showpo...&postcount=526
SolarVPS 256M (Virtuozo?)
http://www.webhostingtalk.com/showpo...&postcount=3910
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11-22-2006, 12:30 AM #94Eternal Member
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Originally Posted by extras
I would agree on the shell script results interpretation above.
The file result is a useful side effect of the way AppLogic handles storage. My guess is that the small files end up being cached in memory on the servers where their mirrors reside, so they end up being served from cache. Large files hit disk.0
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11-22-2006, 12:55 AM #95Web Hosting Master
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Thank you Vlad, for your "high availability".
Originally Posted by VladMiloushev
Actually, I was dreaming of Junk yard grid data center, the other night.
What is the best way to put bunch of junk PCs into a grid, cluster, whatever
to obtain scalability and high availability?
I was thinking of Xen (or VMwareserver) to create homogeneous VM to abosorb hardware issues, and also allow the VM to be shooted down from centralized server(s) and allow each physical server to be splitted into multiple separated role/servers.
AppLogic does not use a common file system (none of them scales well) Instead, it takes over the HDD on each physical node and combines those disks into a shared pool of storage accessible from every node on the system. On this system you can create virtual volumes. Each volume is completely distributed. It consists of one or more mirrors, each located on a different server. As you can see from the postings here, performance is fine.
And I was looking for existing file system like that, already available when I was thinking of the junk grid, too.
So, I was reading about gfs, xfs, coda, and so on.
http://www.linux-ha.org/RelatedTechnologies/Filesystems
The main reason to have a load balancer is not for high availability - it is, ahem, to balance the load.
I mean, if you can make one webserver bigger, you don't have to loadbalance many of them.
Load balancing and performance clustering are always somewhat application-specific: the way you cluster JBoss servers is different from the way you cluster MySQL, is different from the way you cluster Oracle, is different from the way you cluster Apache, etc.
To try and implement all this at the core grid services would be a failure, since it would force the grid to be dependent on the specific set of database engines, app servers, web servers, etc. Instead, AppLogic deals with the things that can be made common (storage, network, scheduling, etc.) in the core services, and makes it easy to assemble application-specific clusters from a library of virtual appliances.
If I resume AppLogic as: Custormized Xen + distributed redundant file system + VM-appliance manager, would you like to add/modify anything?
Another question I have is somewhat related to the loadbalancing.
Can we set 300% MAX CPU, for example?
Can AppLogic "bond" multiple physical servers to create huge VM image?
And the most important question of all.
Do you have full redundancy at the hardware level?
I mean, do you use multiple switches, NICS, for example?0
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11-22-2006, 08:25 AM #96Junior Guru Wannabe
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Yeah they look pretty busy, I'm still waiting for a response since friday afternoon.
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11-22-2006, 01:20 PM #97Web Hosting Master
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By the time you read this, http://www.thegridlayer.com/ may be back up, but it has been down all morning. :-(
Ironic, anyone? Happy Holidays!0
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11-22-2006, 01:29 PM #98Junior Guru Wannabe
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must not be too redundant.. I can't get there either.
I figured it wasn't as impressive as it sounds, and the more I read about it the less it is.0
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11-22-2006, 01:40 PM #99Web Hosting Master
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DNS problem?
Code:--09:38:22-- http://www.thegridlayer.com/ => `-' Resolving www.thegridlayer.com... failed: Host not found. command failed with code 1
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11-22-2006, 01:45 PM #100Eternal Member
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Originally Posted by drewnick0