Troubleshooting Mongo Ruby Driver in Safe Mode

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In this guide, we will describe some of the possible reasons that Mongo Ruby Driver Safe Mode can run, and then suggest some possible fixes that you can try to fix the issue.

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So when you use this particular official driver of the latest version of 10gen, the standard is actually safe and not fire-and-forget (which was the norm in the past).

You can also read this blog post by the 10gen CTO co-founder, which explains the story and claims that all MongoDB drivers plugged in at the end of November use “safe” mode, instead of paying “fire”. -forget “.”

MongoMapper is based on Ruby driver supported by 10gen, they also updated their code to match the new defaults. See the post and comments for the master branch here. Since I don’t know what the preparatory version is, I recommend that you talk to the MongoMapper mailing list. Before that

mongo ruby driver safe mode

Even if the element changes, you can set the value to “safe” at the top of the MongoMapper login level, which is no worse than overall.Starting from version 0.11, this can be done in the mongo.yml report. You can see how to do this in these special release notes.

The bottom line is that not only must you specify a safe mode for the write, but you can always set a higher or lower retention period for each entry if you want, but when you update everything to the latest versions, you should use the default “write safe” globally.

Retired January 9, 2013 at 01:58

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I’m not using Mongo Mapper, so I can only answer a little.

At the database level, it depends. Safe writing is basically (essentially a keyword) waiting for the database to do what it normally does after you receive an unpaid The answer is “I am ready” from the flame of fire and forget it. p>

There is more work to do depending on how confident you are with the writing. A good example is that you can write one node and one with multiple nodes. When you write to one node, you get a quick response from the database, as if you and your family want to (safely) replicate the command to other nodes on the network.

mongo ruby driver safe mode

Any amount associated with secure write will naturally have a real performance impact on the number of messages you can send to the server, as more work is required before the next response is given, which means fewer articles are published, according to which can be run. The main thing is to do the rest just for your application, between maximum speed and data reliability.

Many drivers (including MongoDB PHP 1.3 with 1 ending: http://php.net/manual/en/mongo.writeconcerns.php) are expected to end up using normal safe writing with traditional fire-and- normal. -forget – requests are disabled by default.

If you look at the document See Mongomapper here: http://mongomapper.com/documentation/plugins/safe.html, it looks like someone else needs to add flags everywhere.

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