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ClickHouse® is a free analytics DBMS for big data
Home Page: https://clickhouse.com
License: Apache License 2.0
This project forked from clickhouse/clickhouse
ClickHouse® is a free analytics DBMS for big data
Home Page: https://clickhouse.com
License: Apache License 2.0
Almost all tables replicate between nodes. Stored data is Graphite and Prometheus metrics. Carbon-clickhouse used as a writer.
Graphite-clickhouse used as a reader.
04,05,06 - read/write nodes.
02 - just replica, not used for reads/writes.
mark_cache_size is set to default 5GB.
Dictionaries are not used.
The uncompressed cache is disabled.
Add continuous scanning of released Docker images..
Enable the option to manually trigger pipeline jobs and workflows with necessary inputs.
Snapshots for CI/CD runners and automatic system to update and maintain the snapshots.
Enable integration tests to run on aarch64 packages.
Hi,
I am new to Clickhouse and I am raising to get an urgent help since I am implementing a big system using Clickhouse.
Table Structure- ReplicatedMergeTree
CREATE TABLE table ON CLUSTER '{cluster}' (
col1INT(),
col2INT(),
col3INT(),
col4INT(),
timeDateTime,
col5FLOAT(64),
col6 INT() ) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{cluster}/{shard}/<>/<>', '{replica}') ORDER BY (col1, toYYYYMMDD(time), col2, col3, col4) PARTITION BY (toYYYYMMDD(time)) PRIMARY KEY (col1)
Select Query -
SELECT col1, col2, col3, col4, time, col5, col6 FROM table WHERE col1 = 30 AND col2 = 11 ORDER BY time LIMIT 10 OFFSET 1
I am trying to hit a huge request with this query to CH cluster and the CPU is using around 80% of each nodes and my response time seems to be around 40 ms in each nodes.
I have connected CH to an golang API but my QPS of the API seems very less with max of 5K with big API and CH cluster resources.
I am using an external load balancer to clickhouse tcp client connection with 9000 port.
I feel the response time seems very less and I want to have a 100k qps with the system.
Am I aiming too much with this resources?
Do I need more resources for this usecase.
But I have seen people getting maximum performance with one or two servers.
Please help me to increase the performance or let me know If I am missing something!
Thanks in Advance!
Automatic build reports that include CVE scan and clickhouse-regression results.
Make sure that versions generated by PRs have suffix other than 'altinitystable' or 'altiniyfips' (perhaps '.testing'?).
Also we should put some sort of a additional info into binary metadata (system.build_options
?) pointing out to the PR and/or CI/CD run that actually produced that. (for .deb
, .rpm
, '.apk', binaries and docker images)
Version: altinity/clickhouse-server:22.3.8.40.altinitystable (docker)
Issue related to problem: ClickHouse#35357
Probably fixed in: ClickHouse@7d61fa5
Source: https://t.me/clickhouse_ru/282520
Any chance of being merged into a stable release?
We need to move all build pipeline jobs to GitHub Actions.
We need Altinity rpm with debug info
Describe the issue
According to the documentation at https://docs.altinity.com/releasenotes/altinity-stable-release-notes/22.8/altinity-stable-22.8.20/, PR #278 should be not related to #51492
I noticed ClickHouse#51492 is not v22.8.20.12.altinitystable or the most recent v23.3.8.22.altinitystable but it is v22.8.21.38-lts and v23.8.2.8-lts in the official CH repo.
Could you please take a look and see if we can get a fresh build out fast with this fix?
Thanks,
Latest released version of the supported version families should be re-built and re-tested regularly (once a week) to make sure that CI/CD infrastructure works as expected and that tests are stable.
AS of now (July 2024) versions that are supposed to be tested are
We need Altinity rpm for RHEL8 / CentOS8
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