EventStoreDB Ideas Portal

Ideas for improvements and new features in EventStoreDB, client libraries, and database extensions.

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Consistency policies

One of the main concerns developers have about impoementing Event Sourcing is so-called "eventual consistency". It means that when a system implements one or more query models either in ESDB using custom projections or in other databases using cat...
Alexey Zimarev about 1 month ago in EventStoreDB / Dev experience 2

Timestamp-based reads

For temporal and bi-temporal models it would be beneficial to be able to read streams, as well as start subscriptions, using timestamps instead of positions. It would allow answering questions "what happened after that date and time, before this d...
Alexey Zimarev about 2 months ago in EventStoreDB / Dev experience 2

Chained replicas

Current implementation of read-only replicas require them to be connected to the cluster. It means that every new replica adds some overhead to the operational cluster nodes, particularly its leader. It creates limitation of the feature as one mig...
Alexey Zimarev about 2 months ago in EventStoreDB / Performance / Stability 0

Consider adding projection execution time to the metrics endpoint

Is it possible to add a new metrics for projection execution time?
Cindy Lo Min Chung 3 months ago in EventStoreDB / Operations 0

Adjust the Log levels

At the moment the default log level is Debug, because lots of important logging is currently at the debug level. Users understandably sometimes raise the level to Information and miss important logs We should review and adjust the log levels of al...
Tim Coleman 4 months ago in EventStoreDB / Operations 0

Delete streams without a trace

Customers who actively clean up their database encounter a situation when the scavenge.db file grows uncontrollably because it keeps the information about stuff that has been deleted. Eventually, it might lead to a situation when the scavenge.db f...
Alexey Zimarev 10 months ago in EventStoreDB / Operations 3

Read only replicas with single-node databases

Consider allowing read only replicas to connect to single node deployments. Currently, this is not possible because replication is disabled on single node databases.
Faheem Muhammad Ramjaun 4 months ago in EventStoreDB / Operations / Performance 0

Filtered reads and subscriptions to streams

ESDB currently allows filtered subscriptions to $all. The idea is to support filtered reads from $all, from streams, as well as filtered catch-up subscriptions to streams.
Alexey Zimarev 9 months ago in EventStoreDB / Dev experience 2

Projections next-gen

Move custom and standard projections to Connectors.
Alexey Zimarev 9 months ago in EventStoreDB / Performance / Stability 0 Planned

Server-side read models

It would be cool if we could take the users code and run it 'serverside' (meaning, in the nodes or in sidecars) the read models could be in memory, or persisted in one of a small selection of built in stores (stream store, kv store, relational sto...
Tim Coleman 10 months ago in EventStoreDB 0