Re: cassandra vs. mongodb quick question(good additional info)

2013-02-21 Thread aaron morton
If you are lazy like me wolfram alpha can help http://www.wolframalpha.com/input/?i=transfer+42TB+at+10GbEa=UnitClash_*TB.*Tebibytes-- 10 hours 15 minutes 43.59 seconds Cheers - Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com

RE: cassandra vs. mongodb quick question(good additional info)

2013-02-21 Thread Kanwar Sangha
but the data is still good on the drives, it would just mean bringing up the node using the same storage ? would this not be fast…? From: aaron morton [mailto:aa...@thelastpickle.com] Sent: 21 February 2013 11:46 To: user@cassandra.apache.org Subject: Re: cassandra vs. mongodb quick question

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-21 Thread Edward Capriolo
The theoretical maximum of 10G is not even close to what you actually get.

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-20 Thread Edward Capriolo
@cassandra.apache.orgmailto:user@cassandra.apache.org Date: Wednesday, February 20, 2013 1:04 PM To: user@cassandra.apache.orgmailto:user@cassandra.apache.org user@cassandra.apache.orgmailto:user@cassandra.apache.org Subject: Re: cassandra vs. mongodb quick question(good additional info) This calculation

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-20 Thread Wojciech Meler
you have 86400 seconds a day so 42T could take less than 12 hours on 10Gb link 19 lut 2013 02:01, Hiller, Dean dean.hil...@nrel.gov napisał(a): I thought about this more, and even with a 10Gbit network, it would take 40 days to bring up a replacement node if mongodb did truly have a 42T / node

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-19 Thread Edward Capriolo
The 40 TB use case you heard about is probably one 40TB mysql machine that someone migrated to mongo so it would be web scale Cassandra is NOT good with drives that big, get a blade center or a high density chassis. On Mon, Feb 18, 2013 at 8:00 PM, Hiller, Dean dean.hil...@nrel.gov wrote: I

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-19 Thread Wei Zhu
, 2013 7:02:56 AM Subject: Re: cassandra vs. mongodb quick question(good additional info) The 40 TB use case you heard about is probably one 40TB mysql machine that someone migrated to mongo so it would be web scale Cassandra is NOT good with drives that big, get a blade center or a high density

Re: cassandra vs. mongodb quick question(good additional info)

2013-02-18 Thread Hiller, Dean
I thought about this more, and even with a 10Gbit network, it would take 40 days to bring up a replacement node if mongodb did truly have a 42T / node like I had heard. I wrote the below email to the person I heard this from going back to basics which really puts some perspective on it….(and a