34 results found
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Support AzureBlobStorage engine for Clickhouse
I need to read and write Parquet format files to/from Azure Blob Storage.
3 votes -
Support protobuf as format for ClickHouse <> Kafka integration
As a user sending Kafka messages to Aiven for ClickHouse,
I want to be able to send those messages using the protobuf format3 votes -
Support for 3rd party ETL tools with Aiven for ClickHouse
As an Data Engineer
I want to use 3rd party ETL tools to populate Clickhouse tables
so that I can use clickhouse as my warehouse. Currently popular tools such as airbyte do not work when connected to Aiven clickhouse due to the fact that it creates internal state tables within clickhouse, and it fails given that tables are not allow to be created outside the context of the Aiven console. Customers are unable to use external tools that can self manage state and required the permission.2024-01-26 22:37:45 normalization > Code: 497. DB::Exception: avnadmin: Not enough privileges. To execute this…
3 votes -
Support JDBC for data ingestion to Aiven for ClickHouse
As a user of other services wanting to migrate my data to Aiven for ClickHouse,
I want to be able to use generic JDBC compatible tools to move my data out of my current service into Aiven for ClickHouse easily, and at an acceptable speed.
This can be done using the JDBC table function or table engine.0 votes -
Connecting Clickhouse to a PostgreSQL read replica
At this moment there are only the primary Postgres instances available for a clickhouse connect. Wouldn't it make sense to have the capability connection Clickhouse to a read replica to prevent performance impacts on the primary?
1 vote -
Support table engine MaterializedPostgreSQL in ClickHouse
As a user of both PostgreSQL (on-prem, on another cloud provider or at Aiven) and Aiven for ClickHouse,
I want to be able to ingest my PostgreSQL data, not as a on time snapshot or a remote view of the data like the current integrations allow me to, but as tables created and stored in ClickHouse that pull updates from PostgreSQL regularly.2 votes -
Option for ClickHouse Tiered Storage to use my own object storage
As a user of Aiven for ClickHouse on AWS, Microsoft Azure or Google Cloud:
I would like to leverage my own object storage account with Tiered Storage for Aiven for ClickHouse (that I am already using BYOC on).3 votes -
Option for ClickHouse Tiered Storage to use my OCI object storage
As a user of Aiven for ClickHouse,
I want to be able to choose between Aiven's object storage (the default) and my own Oracle - OCI object storage.1 vote -
Show more system.tables of my Aiven for ClickHouse service
As a user of Aiven for ClickHouse,
I want to be able to see more system.tables in order to know more about my service at any given time (either in the console or not).The tables I want to have access to are to be defined.
0 votes -
Better insights about the replication queue of my Aiven for ClickHouse service
As a user of Aiven for ClickHouse,
I want to be able to know more about the replication queue, its state and items such as (but not limited to) retried items, TTLDelete, item types...0 votes -
Better zookeeper insights in Aiven for ClickHouse
As a user of Aiven for ClickHouse,
I want to be able to know more about Zookeeper, its current state and what it is doing at any given time (in the console or in Grafana).1 vote -
View in-progress and completed mutations in my Aiven for ClickHouse services directly in the Aiven console
As a user of at least one Aiven for ClickHouse service,
I want to be able to easily view in the Aiven console, in my ClickHouse service, the list of mutations (both in-progress and completed) and relevant information about them such as creation time, ID of the mutation, what table and databases the mutation is applied on, if it is done or in progress etc.
At the moment, this information can be found in system.mutations table and system.replication_queue for replicated tables, but it is a manual process to check them.
1 vote -
Support exactly-once semantics when connecting Kafka to ClickHouse
As a developer using Kafka to stream messages to ClickHouse,
I want to be sure that messages as delivered and ingested exactly once, as opposed to at-least-once, to ClickHouse to not have to deal with duplicated data that I have to deduplicate down the line. This removes both a cognitive and operational load from my data pipeline
c.f. https://github.com/ClickHouse/clickhouse-kafka-connectThe exactly-once semantics has been implemented in the newer version of the ClickHouse Kafka Connect Sink (https://github.com/ClickHouse/clickhouse-kafka-connect).
4 votes -
Flink - ClickHouse integration
As a Flink and ClickHouse user,
I want to be able to ingest my Flink data into ClickHouse.
I want to be able to do so if I am using Aiven for Flink in a single click (much like the Aiven for Kafka integration). If I am using Flink outside of Aiven, I want to be able to do it too and easily.0 votes -
Apache Beam - ClickHouse integration
As a user of Apache Beam and ClickHouse,
I want to be able to ingest my data from Apache Beam into a ClickHouse table in near-real time with at-least-once (meaning it is acceptable that messages are read more than once). Writing the data using the ClickHouseIO (built on JDBC driver) c.f. https://beam.apache.org/releases/javadoc/2.10.0/org/apache/beam/sdk/io/clickhouse/ClickHouseIO.html1 vote -
Improve default JOIN Engine for Aiven for ClickHouse
As a user of Aiven for ClickHouse,
I want to use the most optimized default settings possible. From the start I want to have the default JOIN set as the most performant possible and not the ClickHouse default one. This comes without me, the user, having to change any settings. However, I should be able to tweak those settings if needed in specific cases.
See https://clickhouse.com/docs/en/engines/table-engines/special/join2 votes -
ClickHouse query history in the query editor of the Aiven console
As a user of the console,
I want to be able to see the queries somewhere after I ran them, successfully or not. It is important that I can retrieve failed queries to modify them and run them again, as well as successful queries to be able to save them for future use or reference.1 vote -
Saving ClickHouse queries in the query editor of the Aiven console
As a user of the console,
I want to be able to save queries that I run in the Aiven console in order to retrieve them later on, or re-run saved queries without having to write them again.1 vote -
Support dictionaries in Aiven for ClickHouse
As as user of Aiven for ClickHouse,
In some cases, I want to have an alternative to JOIN statements that is faster and less resource heavy. For this, I want to create a dictionary of key-attributes that can be used in queries.
I also want to be able to work on my dictionary with all the related ClickHouse functions (c.f. https://clickhouse.com/docs/en/sql-reference/functions/ext-dict-functions)0 votes -
Support User defined functions (UDFs) in Aiven for ClickHouse
As a developer,
I want to be able to extend the behavior of ClickHouse by creating lambda expressions that can utilize SQL constructs and functions that can be used like any in-built function in a query. I want to be able to do so with the command "CREATE FUNCTION"1 vote
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