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Shard Drain/ Removal issue

If we have more shards, and if want to remove few shards (more than 1), we use below command. db.adminCommand( { removeShard : "Shardname" } ) Ex, if I have Shard 1, 2, 3, 4, 5. want to remove Shard 2 & 5. I want to remove one shard at a ...

Guest about 4 years ago in Replication & Sharding 0 Submitted

1 VOTE

Mongo replicaset init sync issue

When we have large size mongo replica set, we may have to take out each nodes for maintenance for few hrs or days. In that case we have to increase size of Oplog to keep several days of transactions to resync nodes after maintanance. If the RS h...

Guest about 4 years ago in Replication & Sharding 0 Submitted

1 VOTE

Implement read-only fields and documents in database

I haven't tracked down this functionality yet, so excuse me if it is already implemented. As a developer and system administrator I came to a dilemma how to prevent myself to make changes to documents. I can limit myself as a programmer, but as...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

`Blocking` Flag for Explain Output

It's not always obvious which aggregation stages are blocking or non-blocking when viewing `explain` output for an aggregation command. It would be helpful to include a `blocking` flag for each stage of an `aggregate` command in its `exp...

David Walker about 4 years ago in Database 0 Submitted

1 VOTE

The ability to perform a quick rollback or rewind of the database

This is along the lines of a flashback, to a previous point in time say from a very impacting change to data.. A large delete or data modification event. This avoids the need to take a complete outage for hours and hours restoring TBs of data and ...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

restricted mode

database in restricted mode can very helpful .. so we can carry out , lock users out, rebuild indexes, compact and other admin tasks.

Guest about 4 years ago in Database 0 Submitted

1 VOTE

restricted mode for database

database in restricted mode can very helpful .. so we can carry out , lock users out, rebuild indexes, compact and other admin tasks.

Guest about 4 years ago in Database 2 Submitted

1 VOTE

Allow changing config values without restart

It would be great if configuration changes could be effected without needed to restart nodes. For example, audit filter, enabling/disabling different security mechanisms. This would be especially useful for Atlas and clients with large clusters ...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

Retrywrite error fixed in Mongodb 4.4

We have test the retry write in Atlas by using mongodb java driver in Mongodb 4.4 cluster. The error is similar to SERVER-53624(https://jira.mongodb.org/browse/SERVER-53624). The supporter respond the error will fix in Mongodb 5.0. We hope this er...

Guest about 4 years ago in Database 0 Submitted

1 VOTE

MultiTenant Abstraction

Just as a time-series collection in MongoDB 5.0 abstracts the underlying implementation of the bucketing pattern, customers who implement a multi-tenant model through separate databases per tenant run into the issue of too many dhandles and would ...

Guest about 4 years ago in Database 0 Submitted

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