jd_mongodb

8 ms·

31.
Michael Cahill Talks about the Wired Tiger Storage Engine(podcasts.mongodb.com)
2 points by jd_mongodb 4y ago|1 comments
32.
by jd_mongodb 4y ago
Michael Cahill, who designed the Postgres SSI mechanisms talks about the underlying storage engine for MongoDB, WiredTiger, which he helped design.
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by jd_mongodb 4y ago
We really discourage people doing this, there are so many potential attack vectors. If you want a secure test cluster we provide a free tier in MongoDB Atlas which serves many people's low end needs and doesn't expose all the atta
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by jd_mongodb 4y ago
Ping me at Joe.Drumgoole@mongodb.com and I can organise payment of all those costs if you want to continue.
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by jd_mongodb 5y ago
I have it on good authority from the MongoDB Compass product manager that latest versions of Compass load in around 5 seconds :-) Still an Electron app.
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by jd_mongodb 5y ago
How to mirror an Oracle Table to MongoDB https://medium.com/@johnlpage/oracle-pl-sql-and-the-mongodb-...
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by jd_mongodb 5y ago
I'm not sure "struggled to pass" is the right characterisation. The Jepsen tests are part of the MongoDB test suite. They have found some bugs in the past and we have fixed them and incorporated into our test suite. Am I abou
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by jd_mongodb 5y ago
Haha, not many people say that to me at MongoDB :-) Early adopters are, I guess, revolutionaries with all that that entails.
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by jd_mongodb 5y ago
MongoDB Zealots I hear you say? Wherefore art these zealots? I watch social media for MongoDB on a regular basis and I can't say I have come across much zealotry in the last 8 years :-) Most of our customers are reasonable rational peo
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by jd_mongodb 5y ago
Aggregations by their nature are designed to work on a substantial footprint of data. As a result changing the query model is unlikely to speed up the operation of aggregation. In fact, as most of these libraries require the data to be ship
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by jd_mongodb 5y ago
MongoDB Atlas status is always available here http://status.mongodb.com/ . Atlas is currently up. You should ask your question in the mongodb community at http://mongodb.com/community/forums
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by jd_mongodb 5y ago
MongoDB uses the Wired Tiger storage engine internally. The MMAP storage engine was removed from MongoDB in V4.2 which was released in March 2020. The MMAP engine was deprecated two years previously. In MongoDB conversion to and from raw JS
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by jd_mongodb 5y ago
MongoDB $graphLookup might do what you want. From the docs: Performs a recursive search on a collection, with options for restricting the search by recursion depth and query filter. https://docs.mongodb.com/manual/refer
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by jd_mongodb 5y ago
What version of MongoDB are you running? The mainstream MongoDB storage engine (WiredTiger) only supports 64bit systems.
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by jd_mongodb 5y ago
Which benchmark is that?
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by jd_mongodb 5y ago
What do you miss about RethinkDB?
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by jd_mongodb 5y ago
No worries. We have improved over the years. I joined 8 years ago and it is a very different product today. Appreciate your comments.
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by jd_mongodb 5y ago
Countless port-mortems or the same post-mortem recounted over and over? As an employee of MongoDB we treat "catastrophic" failures of our software pretty seriously. If you have experienced a failure we want to hear about. Paying c
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by jd_mongodb 5y ago
Your comment that "fewer and fewer treat it as their go-to database nowadays" seems odd given the continued growth of MongoDB. https://db-engines.com/en/ranking_trend/system/MongoDB https:/&#x
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by jd_mongodb 5y ago
MongoDB is ACID compliant. Yes, I know someone will post the 18 month old Jepsen report, but the fact is those issues were fixed almost immediately. The Jepsen test suite continues to be part of MongoDB's release testing.
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by jd_mongodb 5y ago
MongoDB 1.0 was released in 2009. ClusterPoint seems to have launched several years later. https://www.mongodb.com/blog/post/10-ga-released . MongoDB the company was founded in 2007.
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by jd_mongodb 5y ago
I think Rick would be the first to admit he didn't invent DynamoDB.
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by jd_mongodb 5y ago
If I can get the unifi device and version I will follow up with unifi directly.
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by jd_mongodb 5y ago
If MongoDB Atlas cloud services are affected it will be reported here: https://status.cloud.mongodb.com/
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by jd_mongodb 5y ago
Problem resolved https://status.cloud.mongodb.com/ MongoDB Cloud and Support: Cluster connectivity issues in some regions. Login buttons greyed out. Resolved - This incident has been resolved. Dec 15, 16:38 UTC Monitoring -
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by jd_mongodb 5y ago
We are aware : https://status.cloud.mongodb.com/ "Investigating - We have received reports of the "Next" or "Login with Google" buttons being disabled on the login screen for MongoDB Cloud and Mongo
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by jd_mongodb 5y ago
It's using the WiredTiger storage engine which has good crash recovery support. How does the crash present?
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by jd_mongodb 5y ago
Can you share the command line and/or the config you use to start up. We don't support any single node use of MongoDB in production BTW. It can't recover as you have found out...
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by jd_mongodb 5y ago
Which package? Are you running a replica set or a single node? What specific version? Also which storage engine? 3.0 is a pretty old version. Most 3.x versions are end of life or unsupported.
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by jd_mongodb 5y ago
I would be curious to learn more about your setup. MongoDB should be able to recover in these situations...

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