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Announcing MongoDB 3.0

196 点作者 meghan超过 10 年前

26 条评论

davidw超过 10 年前
&gt; a database so powerful, flexible, and easy to manage that it can be the new DBMS standard for any team, in any industry.<p>It&#x27;s good to see they haven&#x27;t sacrificed the hype while working on other features :-&#x2F;
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harel超过 10 年前
OK, I&#x27;ll provide a user&#x27;s perspective as we are invested in Mongo as a storage system for statistical data and have been using it for a good few years now. MongoDb has been, so far, very good to us. I did not experience any of the problems people sometimes cry so very vocally about. My main concern about Mongo is actually one that is addressed by this release so I&#x27;m quite excited to try it out - data compression. Mongo is generally quite irresponsible about disk space usage. Yes disks are cheap but I rather not have a 2TB dataset if I can have half the size, thank you very much.<p>As a side note, the hype from MongoDb the company equals the anti-hype you get on places like HN, so I guess they even out.
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jimbokun超过 10 年前
&quot;We will continue to push the envelope in data interaction semantics, by implementing a transaction system for the distributed document model.&quot;<p>So...Mongo &quot;can be the new DBMS standard for any team, in any industry&quot;, and they don&#x27;t even support transactions yet?
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nevi-me超过 10 年前
I&#x27;m excited to see 3.0, but from what I&#x27;ve seen on JIRA, there might still be some issues with WiredTiger (fair considering how they moved from RocksDB to WT in a short period). Will be interesting to see if they&#x27;ll close out those issues before they drop 3.0 in March.<p>A few months ago they closed up some of JIRA (comments and a bit epics&#x2F;sprints), so some issues would be created and have no comments exposed. I thought they were working on transactions in this release (while they were still around 2.7.3 or so), but I guess that&#x27;s not the case.<p>Lastly, I wonder how this will impact TokuMX, both positively and negatively? Really whether they&#x27;ll be making their crown improvements into a pluggable storage type&#x2F;engine, and if users would be able to take that and plug it into Mongo without patent issues on their fractal tree indexing.<p>Nonetheless, exciting news for some of us who are building on web-scale, MVCCABCD databases which operate at the speed of hype and web-scale :)<p>EDIT: saw that Tokutek has created TokuMXse, only after my post
james33超过 10 年前
I feel like the vast majority of people that bash on MongoDB didn&#x27;t fully understand it and what it was good for when they tried it. We&#x27;ve been using it in production for nearly 3 years in online games and have had nothing but good experiences with it. This 3.0 release will be yet another big step forward and we are excited to reap the continued benefits.
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kosma超过 10 年前
&gt; Reduces operational overhead up to 95%<p>And 40% more hip. Gotta love those numbers. Also, don&#x27;t forget about the new WiredTiger storage engine - sounds way cooler than, say, InnoDB! Hype is strong with this one.
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vegabook超过 10 年前
I&#x27;m writing 20000 financial ticks per second into Mongo on commodity hardware, namely a bog-standard i7 with 32 gig costing less than 2k. I don&#x27;t have a big budget. I don&#x27;t have a lot of time to mess with ACID. There is <i>no way</i> postgres will do this for under 10-20k, without twice the work. I just need to keep up with the firehose of data I get from my financial application. I&#x27;m talking about my own big-data issue and even if a few records were ever to get lost, I don&#x27;t care, because that&#x27;s what big data is about: statistical sampling. And that does not require 100% in 100% of cases safety of every data point. That by the way, is the truth of big data. Who cares if a few records theoretically can be lost? I just need to capture as much as possible as fast as possible. Mongo fits perfectly. Redis would work, but I&#x27;d need 512 gig of RAM.....<p>I don&#x27;t understand all the angst against this technology. If you need rollback-able transaction-guaranteed, exactly-once consistency, normalised schema with triggers left right and centre, you knew long ago that this wasn&#x27;t the tech for you. Why is everyone so negative? I for one cannot wait to be able to store 4x more data on the same SSD, and using less RAM. In my view, Mongo is a massive enabling technology for startups on limited budget.
Kiro超过 10 年前
Am I the only one using MongoDB who think it works great? I&#x27;m really happy with it.
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lesingerouge超过 10 年前
Somebody at MongoDB must have read the early Oracle story. Start with one consumer niche (in mongo&#x27;s case I think it&#x27;s the common building-cms-based-websites web developer), improve the product, market ruthlessly.<p>Granted, their product is not excellent and it has major flaws and lacks some common DB features, but they have the advantage of developer-ease-of-use and low barrier to use.<p>I think this product is simply not yet &quot;DONE&quot;.
ericingram超过 10 年前
We&#x27;ve been using TokuMX for a while and I highly recommend others take a serious look there. It already contains the benefits cited for MongoDB 3 and more. Toku also has a release candidate for the new Mongo storage engine API named TokuMXse, though it&#x27;s interesting to see that TokuMX proper still outperforms it: <a href="http://www.tokutek.com/2015/01/first-tokumxse-performance-numbers/" rel="nofollow">http:&#x2F;&#x2F;www.tokutek.com&#x2F;2015&#x2F;01&#x2F;first-tokumxse-performance-nu...</a>
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mlschmitt23超过 10 年前
I agree this announcement is dripping with hype, but all the same I&#x27;m excited to get my hands on this. Seems like they&#x27;re trying to address (some) common pain points.
jungleg超过 10 年前
I&#x27;ll add to what @harel says below. If it wasn&#x27;t for MongoDB, my last company would have probably not survived. Sure, our usecase was very specific (very write-heavy app) but MongoDB delivered and still delivers without any problems. I think there can be usecases where MongoDB is not the best fit, but for wide number of applications, MongoDB is the perfect fit.
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alexgaribay超过 10 年前
Can some people who have used Mongo in production elaborate on their experiences where Mongo worked well or didn&#x27;t work well? I see a lot of more hate than I do love for Mongo on HN and I&#x27;m curious why.
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jimbokun超过 10 年前
The differences between mongodb.com and mongodb.org are striking.<p>I was confused about why there was no links to documentation on the .com, until I stumbled onto the .org, which lists actual features right on the home page.<p>Also striking: no mention of 3.0 on the .org home page at all, and on the downloads page, you have to scroll down to &quot;Development Releases (unstable)&quot; to find any reference to the 3.0 builds.<p><a href="https://www.mongodb.org/downloads" rel="nofollow">https:&#x2F;&#x2F;www.mongodb.org&#x2F;downloads</a><p>Quite the split personality between the two sites.
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ddorian43超过 10 年前
You can build a slow product and when you make it normal-speed you say 5x faster!
vkjv超过 10 年前
Am I the only person that things the sheer number of people that have had scaling issues with mongo is a GOOD thing? I think it speaks to changing technology landscape and attitude towards data.<p>Many more people are collecting and working on larger data sets than they would have ever dreamed of years ago. I credit MongoDB, in part, to allowing developers to do this and encourage them to try. Sure it has it&#x27;s limitations and may not be as great in areas as other databases, but, wow have a lot of people tried and succeeded.<p>tl;dr, If reverse survivor-ship bias is a thing, I think mongodb has it.
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endijs超过 10 年前
&quot;MongoDB 3.0 will be generally available in March, when we finish putting it through its paces. Stay tuned for our latest release candidate, we would love it if you would try it out and give us feedback.&quot; So... no 3.0 final yet. That&#x27;s disappointing. However - I&#x27;m really excited about 3.0. Initial tests show way better performance than 2.6. Plus data takes just 1&#x2F;4th of disk space. That&#x27;s amazing. I hope this is just beginning and each next release will add more and more features based on what WT can deliver.
cheald超过 10 年前
I&#x27;m actually fairly interested in the WiredTiger integration. I switched from MongoDB to TokuMX about a year ago because of disk space and atomicity concerns, and Toku&#x27;s been really good to me. Mongo 3.0 promises to catch up in many respects; if it does, then it might actually solve the vast majority of the complaints that people have historically had with it.<p>The marketing copy still pretends that TokuMX doesn&#x27;t exist, though - it&#x27;s had these features and more (including transactions) for quite some time now.
tankerdude超过 10 年前
The announcement, to me, was way over the top. There was so much noise in the announcement with very little in terms of signal. It reads almost like vaporware, even though it probably was not.<p>Just give us facts, plain and simple. What it improves and how it improves it. When there are that many adjectives about the project, it just causes me to tune out a bit.<p>Was this supposed to be part of a sales deck or something? (An as aside, I use mongo and know its pluses and minuses so reading all that hoopla is just unseemly.)
fasteo超过 10 年前
MongoDB seems to be a love&#x2F;hate relation. I haven&#x27;t used it myself, but I found this article[1] very useful. My conclusion is that MongoDB works, but you need to understand it and take some time to plan the deployment.<p>[1] <a href="https://blog.serverdensity.com/does-everyone-hate-mongodb/" rel="nofollow">https:&#x2F;&#x2F;blog.serverdensity.com&#x2F;does-everyone-hate-mongodb&#x2F;</a>
nnain超过 10 年前
Slightly off topic: I prepared this MongoDB Quick Reference Card last year; never put it online before. Hope it&#x27;ll be useful to someone looking for a quick peek into how mongo db commands work - <a href="https://dl.dropboxusercontent.com/u/58502821/mongodb_qrc.pdf" rel="nofollow">https:&#x2F;&#x2F;dl.dropboxusercontent.com&#x2F;u&#x2F;58502821&#x2F;mongodb_qrc.pdf</a>
astral303超过 10 年前
Comment threads like these help me learn how different the HN groupthink&#x2F;prevailing thought is from the reality on the ground.<p>In reality, MongoDB works well enough to be where they are, armed with the money they have.
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je42超过 10 年前
Anybody knows how FoundationDB compares to MongoDB 3.0 ?
jedberg超过 10 年前
Do they still value speed over durability? If so, thanks but no thanks. I prefer my database to be durable. If I want speed, I use RAM.
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iagooar超过 10 年前
You got your chance, Mongo, and you screwed it up.<p>I tried getting the most out of you. I treated you like a princess, I indulged you, your wishes became my wishes and your thoughts were my thoughts. I stopped listening to all that criticism around you and thought of you as of a misunderstood child, even as you would refuse to do even the easiest tasks one could imagine.<p>I gave you everything there is to give, but you broke my heart. You left me in the most critical moments. I trusted you, but you would go your own way. Tears were shed and countless sleepless nights were to follow.<p>Remember that night you disappeared without leaving a sign? I sent you messages which got a response only after many hours. You didn&#x27;t give a damn about my needs. One you told me: &quot;it&#x27;s not me, it&#x27;s you&quot;. And I believed you, I truly did.<p>It&#x27;s over now. It&#x27;s been some time without you, and I&#x27;m getting better. I have discovered, that not everyone is like you. Some DBs care, they really do. You can trust them, they give you their everything.<p>I&#x27;m still struggling falling in love again, but it&#x27;s getting better. Don&#x27;t write me back. Goodbye.
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slantview超过 10 年前
So I heard this means it&#x27;s webscale now?