similar to: Scalability plans: Abstract out filesystem and make it someone else's problem

Hi All, We''ve limitation of 500 GB per server as per ServerLoft. we are needing to store word/pdf files. We are planning to use following setup. /dev/sda1 - boot - ext2 /dev/sda2 - swap /dev/sda3 - dom0 - ext3 /dev/sda4 - LVM - one LV for each domU, We''re planning 3 DomUs. /dev/sda5 - FreeNAS. Is that possible? Can it be in one of the LVs under 4th partition? Currently, one

Hi, We have file readahead to do asyn file read, but has no metadata readahead. For a list of files, their metadata is stored in fragmented disk space and metadata read is a sync operation, which impacts the efficiency of readahead much. The patches try to add meatadata readahead for btrfs. In btrfs, metadata is stored in btree_inode. Ideally, if we could hook the inode to a fd so we could use

Hi, I?m reading the past topics related to archive and scalability of dovecot, they are all very interesting. Here, I?m using two dovecot proxies in front of five storages pairs, and we split the domain?s accounts among those servers. So, we can share the i/o load and if one server goes down only few accounts of the domain stops (not all of them). But, we began to have space problems - and the

Hello everyone! A collegue and I are beginning development on a site that will eventually need to very scalable (assuming our business model is a good idea). My problem is that I''m not a sysadmin guru, and I''m not terribly comfortable with the design of the hosting platform. We''re going to start with two servers initially (for cost reasons), and I''m considering

Yes, I?ve read these doc. I was just considering if someone had any experience with Mogile in email environment. Well, actually I?m trying to figure out if one of those nosql systems can store and scale email systems (ie, mailboxes - instead of maildir). I know mysql is always quoted as an option and discussed sometimes in the list. I think it?s an unnecessary overhead and bottleneck. As

I saw some interesting mails from TImo back in 2009 talking about the idea of using something like Cassandra db or similar as a storage platform for both email and index/logs. I was wondering if this has been discussed since then, and if there are any plans to support something like this in the future? I have been playing with Cassandra and found that their RackAwareStrategy gives you the

Hi all, Has anyone created a Xen cluster to run a hadoop vm cluster? I would be interested in how it performs Thanks Lance -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

Hello, I''ve been using NFS for sharing files across a cluster of servers but I''ve had a lot of problems with that. I''m planning to move to MogileFS which seems to be more stable and more adapted to this usage (lots of user uploaded files). I wonder if someone has already worked on an integration of MogileFS into Mongrel (and Rails app) for serving the files ? If not, I

I am an engg student looking for project related to ruby and MogileFS... Can anybody suggest me about - use of ruby and MogileFS in application developement regarding - 1.is it efficient enough? 2.any alternate solution available for this? 3.any improvements that are required in MogileFS ? 4.and should i go for it? thank you.. -- Posted via http://www.ruby-forum.com/.

Hi list, Have you ever heard or tried mogilefs? (http://danga.com/mogilefs/) Do you think suitable for dovecot/mail environments ? Regards, Fernando

Hello all, I'm kind of surprised that searching the archives and Googling haven't given me a result for this... I've got a large amount of data that is a good fit for CouchDB; it's reasonably unstructured, and such structure that exists is quite fluid. I want to slice the data in many different ways, some of which really don't fit well with a relational database model. I

Hi, I?m looking for how to integrate couchdb with xapian. Couchdb has a elasticsearch plugin, but i didn?t find anything about xapian. How is the best way to do it ? There some tips / tricks about xapian and couchdb ? Best Regards ! Carlos Brazil.

Good day, does anyone here have a clue on how to make use of the NoSQL database "Riak" with Camping? I am building my website and Riak seems like pretty much the ultimate database! This would probably ruin every little feature in ActiveRecord, I don''t think I''d be able to do any has_many''s or belongs_to but I''d LOVE to be proven wrong. As far as

Please check out this PNG image from attachment or from Google docs: http://docs.google.com/drawings/pub?id=1P3jdSddseG1oSYrtjREWcajizxmxoRIhUHCEw4sDi3k&w=771&h=624So, what I want to do is something like a private cloud storage solution.I belive the http servers and application servers should be set up on virtual VMs, but what about the Cassandra and Hadloop servers, should their be set up

Hey all, I wrote a very basic script to determine if cassandra db is running. I'm setting a variable called 'pid' to the output of a ps | grep like to grab the pid of the cassandra process. #!/bin/bash pid=$(ps -ef | grep cassandra | grep -v grep | grep -i -v -e grep -e screen -e s3fs|awk '{print $2}') if [[ -e $pid ]] then echo "Cassandra is running with pid:

> > "-e" means "if file exists". You should use "-n" That did it!! [root at web1:~] #./bin/check-cass.sh Cassandra is running with pid: 26979 This is what the script looks like now: #!/bin/bash pid=$(ps -ef | grep cassandra | grep -v grep | grep -i -v -e grep -e screen -e s3fs|awk '{print $2}') if [[ -n $pid ]] then echo "Cassandra is

Hi Folks, How scalable is dovecot. Do you think a machine with a dual core 2.8Ghz processor and 2GB of RAM would do a business with 600 users? This server will have a 100Mbps link to the net, however it will be access by the business using a couple of ADSL lines (Roughly 7Mbps each). This machine will also be running Postfix Your help is appreciated Cheers Jonny

Hey guys, Apologies in advance if this question is in poor taste. But I've really fallen in love with learning about the cassanrdra database. The only problem is that it doesn't run very well on an t1.micro instance at amazon and the larger sizes are quite expensive. An m1.small can do the trick, while still not optimal. So I was wonder if there was any real value in the cloud or even

I am working with ext3 w/ the 2.4.20 kernel. I recently had a case where my root partition indicated that is was 100% full. I was unable to create new files, etc on the system. However, when I issued the 'du' command, the system indicated that only 2G of the 5G drive was in usage. I did a dump of the FS and I see were there is an indication of no free blocks. I decided to reboot

I have a .csv table named mailing.csv as below. It consist a receiver, subject and sender. Receiver subject sender 1 Adrian Cole RE: [WHIRR-117] Composable services Tom White 2 Adrian Cole RE: [WHIRR-117] Composable services Tom White 3 Adrian Cole RE: [WHIRR-117] Composable services Adrian Cole 4 Adrian Cole RE: [WHIRR-117]