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New Linux Petabyte-Scale Distributed File System
An anonymous reader writes "A recent addition to Linux's impressive selection of file systems is Ceph, a distributed file system that incorporates replication and fault tolerance while maintaining POSIX compatibility. Explore the architecture of Ceph and learn how it provides fault tolerance and simplifies the management of massive amounts of data."
"It took a lot of work, but this latest Linux patch enables support for multi-petabyte file organization and storage!"
"Do you have support for smooth, full-screen Flash video yet?"
"No, but who uses that?"
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I think the big issue in the programming community as a whole is the current lack of understanding of the differences between eventual and atomic consistency.
Distributed file systems work quite well when you have a single source of truth, but when you have multiple data stores, you can have multiple sources of truth. It essentially adds a temporal dimension to your data. As in, John Smith is a debtor of XYZ corp on Monday morning, but due to the server being down, we haven't realised on Tuesday morning that he paid his bill on Monday afternoon. Add late fee penalties.
It adds another layer of complexity to an application that delayed gestures roll back transitive actions between actors in an Ecosystem. In the example, it would be to send out another letter stating that the late fee penalties have been removed, and if already paid, a refund is to be issued.
Science advances one funeral at a time- Max Planck
While google may be able to go ahead and re-index websites if it loses that data, "regenerating" gmail and google docs stuff isn't quite so easy, and even small amounts of data loss would kill those applications (especially among paid users).
You just contradicted yourself. You're right; it's just a matter of time. Only, thing is, this is the Internet. How long to recreate that data? Weeks? Months? Years? 6 months is an eternity on the Net.
If all the accounts and stories were lost on Slashdot due to a massive database failure, how many people would come back, creating a new account and so forth? How many long would it take before there was enough content and accounts to make it interesting again? Now realize that Slashdot is a drop in the bucket compared to Google.
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It was noble of you to try to wrest control of a troll thread, but your comment loses a lot of credibility for being titled "Re: Do niggers use linux?"
Would it hurt to at least change the title while you strive for visibility and relevance? When I saw the title of your post, I half-expected to see a poorly-written diatribe against Jamal Jackson for playing basketball and chasing caucasian women.
Thank you, kind sir, for listening. We all must do our part to prevent trolling!
I always liked dreamhost (not for their uptime....), this just confirms it. It is good to see a compagny using open source software contributing back like this.
The first word in the article summary is "Linux®"
Does that look weird to anyone else? I realize it's technically correct for the registered trademark symbol to be there, but somehow it just doesn't seem right.
this copying of the node happens after the node goes down?
One of the remaining replicas of each block on the failed node is copied so the total replication count does not go down. The original was perhaps poorly phrased, no need to be a dick about it, though.
sic transit gloria mundi