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276 results found

  1. support parallel query executions include find(), aggregation()

    To use multi-core environment and enhance the query performance w/ a large amount of documents, need a parallel execution.
    Sharding or microsharding is not an alternative in this case.

    3 votes

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  2. TTL index throttling for deletion

    To avoid deletion impact, we need to control the quantity and speed of document generations(insert).
    Need a way to throttle down the deletion quantity per a delete operation.

    i.e. # of documents per a ttl delete, sleep time between deletions(default 60s)

    2 votes

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    0 comments  ·  Indexes  ·  Admin →
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  3. session

    The possibility configure what network or IP the user can be connect in the cluster in the mongo atlas.

    1 vote

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    0 comments  ·  Security  ·  Admin →
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  4. Improve Changestream metadata by including userId(who), action/intent (event name).

    This can be done by including meta data in the options for C(R)UD operations!
    Something like: User.updateOne({ _id }, { $set: { name: "newName" } }, { $meta: { userId: _id, action: "nameUpdated" })

    This is super useful because now changestream can be used to create event store or audit logs, out of the box. I just have to store all the changestream events from the relevant collections. This also makes event driven architecture in micro services super useful. Developers can use this to publish events directly to a message broker such as kafka, where action would be equivalent to…

    2 votes

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  5. Allow disabling auto removal for capped collections

    Capped collections work as a circular buffer - when adding new documents after the size limit is reached, old documents are removed.

    I would like to have an option for the collection, where this behavior can be changed - instead of removing old documents, the insert should fail with a specific error (eg: collection full). This would allow implementing log-rotation, by creating a new collection whenever the old one is full.

    My motivation:
    I have two services, one creating documents (events), and another one processing them. I'm looking for a reliable way to:
    - process all documents from start, without…

    1 vote

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  6. 1 vote

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    0 comments  ·  Change Streams  ·  Admin →
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  7. 2 votes

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  8. placement of mongosh,mongo tools and mongo binary inside core bin

    Hi Team,
    Hope you are doing great!
    Didn't understand the purpose of keeping mongosh,mongo tools and mongo binary separately, can't this be place in a single rpm/tar file so that it can be easy the installation process.
    As per the current :
    Mongo binary location :

    /var/lib/mongodb-mms-automation/mongodb-linux-x86_64-6.0.8-ent/bin

    Mongo Tools location :

    /var/lib/mongodb-mms-automation/mongodb-database-tools-linux-x86_64-100.7.4/bin

    Mongosh location :

    need to keep this file in separate location and access the mongodh. mongosh-1.10.1-linux-x64.tgz

    Thank you

    1 vote

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    0 comments  ·  Other  ·  Admin →
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  9. Allow rotation of Arbiter TLS certificates when authentication is enabled

    Mongo arbiters do not support using db.rotateCertificates(), because they do not possess the internal table of user and role mappings used for authentication.

    Add functionality to enable rotation of these certificates.

    1 vote

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  10. Exclude PDB files from installation

    mongod.pdb is nearly 1.0GB, mongos.pdb - 0.5GB

    Since these fils are not necessary for the server to function properly, they should be optional, e.g. provide a checkbox to exclude them during installation.

    1 vote

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  11. DB Snapshot triggers when RDS Snapshot starts.

    Looking for a feature regarding DB Snapshots, so that we can configure a Snapshot Policy to be triggered whenever a specific AWS RDS snapshot starts (for the daily schedule).

    Thank you in advance.

    1 vote

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  12. define the random seed manually, for $rand and $sample

    It will be great if an additional paramater to define the seed for $rand and $sample could be use.

    1 vote

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  13. Lock on session start level with provided keys

    Scenario:
    Parallel DB updates with transactions on multiple collections that use same documents.
    Example: Calculate some common stuff to embed it in extra collections to avoid lookups.

    Problem:
    Lock and timeout on documents uses up valuable time and performance.
    Also lock conflicts produce a huge amount of exceptions that need to be handled.

    Idea:
    Key-based sessions

    Example:
    Session A with Keys 1 and 2 is started.
    Session B tries to start with Key 1. Key 1 is locked with Session A. Session B waits till Session A is finished.

    In this case transaction doesn't start with updating and failing. Waiting…

    7 votes

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  14. Vector Search

    Provide Vector Search capability in MongoDB enterprise edition for On-premise deployments.

    1 vote

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  15. Allow live migration using private interface

    There should be an option to live migrate data via a private interface instead of public one. With VPC being peered, it would be a great option to avoid exposing database to the public interface (even if it's specific set of IPs). This can resolve concerns of many customers who are following or need to follow some short of compliance on their end.

    1 vote

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  16. an aggregation stage to load data to DRAM for the fields that are only requested

    When we use $project stage, it loads whole document from disk to memory (if not in working set). Because of this, When we create a data model, We have to create separate collection if the field is not required in frequent access of data. Creating a view is an option, but what if $project itself or $project with some argument in it, or a new pipeline stage or operator gets introduced which fetches the data from disk only for the fields specified instead of loading whole document.

    With memory mapped file, retrieving fields specified alone would not be simply possible…

    1 vote

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    0 comments  ·  Performance  ·  Admin →
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  17. Should be possible to configure profiling output destination

    When enabling database profiling the output is sent to both the system.profile collection and system logs. Logging to a capped collection is fine but spamming the logs on disk is not good.

    We have a need to be able to react to changing query patterns quickly, so we have profiling enabled in production on a busy system and we do real-time analysis on the the system.profile collection. This works fine and the performance hit is acceptable but our system logs on disk grows a lot.

    Please make it possible to configure if profile logging should go to disk, collection or…

    8 votes

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    0 comments  ·  Performance  ·  Admin →
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  18. Allow to define access to DBs/collections by prefix or pattern.

    Please extend ACL to support prefixes (or regex) in the database name/collection.
    Currently only allowed ALL (when empty string provided) or exact db/collection matching when provided.

    Use case: Several services are using the same cluster but need to be isolated. Every service can get readWriteAnyDatabase but only to databases prefixed by some prefix.
    Services need to create new databases on the fly, so it is not possible to define a list of databases upfront.

    For example - rwRoleForService1 allows "update", "insert", and "remove" operations only on databases prefixed by "service1-" (sevice1-db1, sevice1-db2, ....)
    {
    role: "rwRoleForService1",
    privileges: [
    {
    {…

    7 votes

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    0 comments  ·  Security  ·  Admin →
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  19. When was last backup/mongodump ran on databases or database backup history

    How can get detail of last backup was taken using query. Its very hard to get into log file and see the history of mongodump. Just like other database tool mongodump history can be retrieved via query instead mongo log file.

    I know get the detail from ops manager if using enterprise only but what if we are using community edition.

    If you include this feature it will very helpful for DBA to get the details juts like other database tools available in market.

    1 vote

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    1 comment  ·  Other  ·  Admin →
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  20. Tool for score data model

    It would be great to have a tool which can scores a data model from a specific database. I mean, I could allows this tool to scan a database model and score this data model based on best practices, patterns and anti patterns. It could also generates a list of problems and suggestions for improvement.

    This tool could be used on CI pipelines near to the unit tests and the main goal is to avoid release new features using a bad data model.

    2 votes

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    0 comments  ·  Data Models  ·  Admin →
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