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The `oplogIncludeCollections` option for oplog tailing introduced in 2.16.0 seems very useful for us as most database updates are made to collections we don't subscribe to. Unfortunately, adding the o…
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I have a shrarded mogno cluster setup. Three shard each contains of three node replicaset.
Everything is fine while tailing oplog from primaries. However, tailing from secondaries ("secondary_read_pr…
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I have a dozen MongoDB collections that are updated periodically, causing ~80,000 documents to be removed and replaced in each of them.
When I have tailing enabled, this change takes _forever_ (about…
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Hi, I'd like to issue #10808, because a couple of other folks (like me) are facing similar issues and I just became aware of that thread. Please also have a look at the bottom of this thread in the fo…
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This is my proposal for an enhancement to the Meteor MongoDB code to improve the scalability of Meteor apps that use MongoDB in [Oplog tailing mode](https://blog.mlab.com/2014/07/tutorial-scaling-mete…
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This is my proposal for an enhancement to redis-oplog to improve the scalability of Meteor apps that use MongoDB in Oplog tailing model.
This is identical to [the Meteor feature request I posted re…
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Hi,
Is there any plans to implement tailing the Mongo oplog in order to pickup changes to existing docs?
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### What should be done?
Refs [#24](https://github.com/FerretDB/engineering/issues/24), #2501
They use Meteor which often tails the oplog for performance benefits but tailing the oplog is an op…
b1ron updated
8 months ago
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For some reason I am unable to launch setup a [replica set](https://github.com/hiddentao/mongo-replica-set) on Travis CI during testing to test out oplog tailing features. The error message is that no…
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Hi,
We are evaluating mongodb_consistent_backup. I'm trying to understand how the program stores oplog changes. We are using sharded replica set. I'm checking the logs for config replica backup and…